Monthly Report for September 2021
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| Weather Summary | ||||
| Measure | Mean / Sum (anomaly) | Min | Max | Mean Time |
| Minimum Temperature | 13.0 °C (+1.5) | 7.8 °C | 17.2 °C | 08:37 |
| Maximum Temperature | 20.8 °C (+1.7) | 14.9 °C | 28.4 °C | 15:32 |
| Mean Temperature | 16.8 °C (+1.6) | 11.6 °C | 21.6 °C | |
| Minimum Humidity | 66% | 39% | 86% | 15:16 |
| Maximum Humidity | 93% | 86% | 98% | 10:12 |
| Mean Humidity | 82% | 70% | 93% | |
| Minimum Pressure | 1016 hPa | 1004 hPa | 1030 hPa | 13:43 |
| Maximum Pressure | 1022 hPa | 1011 hPa | 1033 hPa | 09:13 |
| Mean Pressure | 1019 hPa | 1010 hPa | 1032 hPa | |
| Mean Wind Speed | 2.9 mph (-1.0) | 0.4 mph | 7.9 mph | |
| Maximum Wind Speed | 10.1 mph | 4.6 mph | 18.2 mph | 13:27 |
| Maximum Gust | 15.7 mph | 8.0 mph | 27.4 mph | 13:19 |
| Mean Wind Direction | 193° [SSW] | 8° [N] | 354° [N] | |
| Rainfall | 40.5 mm (81%) | 0.0 mm | 17.5 mm | |
| Maximum Hourly Rain | 2.7 mm | 0.3 mm | 6.9 mm | 14:26 |
| Maximum 10-min Rain | 1.3 mm | 0.3 mm | 3.3 mm | 14:27 |
| Maximum Rain Rate | 17 mm/h | 1.1 mm/h | 60 mm/h | 15:46 |
| Minimum Dew Point | 10.9 °C | 5.2 °C | 15.3 °C | 09:38 |
| Maximum Dew Point | 15.8 °C | 11.4 °C | 19.0 °C | 14:08 |
| Mean Dew Point | 13.5 °C | 7.7 °C | 16.6 °C | |
| Night Minimum (21-09) | 13.3 °C | 7.8 °C | 17.3 °C | 05:29 |
| Day Maximum (09-21) | 20.8 °C | 14.9 °C | 28.4 °C | 15:32 |
| Max 10m Temp Rise | 0.6 °C | 0.2 °C | 1.0 °C | 10:51 |
| Max 1hr Temp Rise | 2.2 °C | 0.4 °C | 3.5 °C | 11:11 |
| Max 1hr Hum Rise | 7% | 2% | 14% | 16:39 |
| Max 10m Temp Fall | 0.4 °C | 0.2 °C | 1.2 °C | 16:11 |
| Max 1hr Temp Fall | 1.5 °C | 0.7 °C | 3.3 °C | 18:34 |
| Max 1hr Hum Fall | 9% | 2% | 14% | 11:34 |
| Max 10m Wind Speed | 7.5 mph | 2.9 mph | 14.1 mph | 14:43 |
| Minimum Feels-like | 14.8 °C | 5.3 °C | 21.4 °C | 09:05 |
| Maximum Feels-like | 25.0 °C | 15.3 °C | 34.7 °C | 15:02 |
| Mean Feels-like | 19.9 °C | 11.5 °C | 25.9 °C | |
| Air-frost Hrs | 0 hrs | 0 hrs | 0 hrs | |
| Minimum PM2.5 | 0.0 µg/m3 | 0.0 µg/m3 | 0.0 µg/m3 | n/a |
| Maximum PM2.5 | n/a | n/a | n/a | |
| Mean PM2.5 | n/a | n/a | n/a | |
| Temperature Range | 7.9 °C (+0.3) | 3.5 °C | 13.8 °C | |
| Humidity Range | 26% | 8% | 56% | |
| Pressure Range | 6 hPa | 2 hPa | 16 hPa | |
| Sun Hours | 139 (95%) [41%] | |||
| Wet Hours | 28 (68%) [3.9%] | |||
NB: Hover over a value to see how many days of data it is from. Sun hrs, Wet hrs, Cloud cover and Events are based on manual observation and provided for interest only.
| Days Of... | |||||||
| Rainfall | Temperature | Sunshine | Other | ||||
| > 0.0 mm | 8 | Min < -5.0 °C | 0 | > 0 hrs | 29 | Falling Snow | 0 |
| > 0.1 mm | 8 | Min < 0.0 °C | 0 | > 1 hrs | 21 | Lying Snow | 0 |
| > 0.3 mm | 8 | Mean < 0.0 °C | 0 | > 3 hrs | 15 | Hail | 0 |
| > 1.0 mm | 7 | Mean > 20.0 °C | 2 | > 5 hrs | 12 | Thunder | 0 |
| > 5.0 mm | 2 | Max > 25.0 °C | 3 | > 10 hrs | 3 | Dense Fog | 0 |
| > 10.0 mm | 2 | Max > 30.0 °C | 0 | > 25% max poss. | 16 | Gusts > 30mph | 0 |
| > 20.0 mm | 0 | Min > 20.0 °C | 0 | > 95% max poss. | 1 | Total Events | 0 |
Misc.
Mean rainfall for days with >0.3mm: 5.1 mmTotal snowfall: 0.0 mm
Graphs and Charts
Mean Temperature
Variable
Measure
View more charts for this month
Intraday conditions
Per-minute readings across the month (downsampled for display). Choose a variable below.
Wind rose
Daily breakdown
Day numbers link to the detailed daily report. Wide tables can be scrolled horizontally.
Temperature, rain, sunshine & wind
| Day | Tmin | Tmax | Tmean | Rain | Hr max | 10m rain | Rate | Sun | Wmean | Wmax | Gust | Wdir | W10m |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 13.7 | 18.0 | 15.6 | 0.0 | - | - | - | 0 | 4.9 | 11.9 | 19.4 | 37° | 8.8 |
| 2 | 14.4 | 19.2 | 16.4 | 0.0 | - | - | - | 3 | 5.4 | 11.2 | 19.4 | 47° | 8.2 |
| 3 | 13.8 | 21.1 | 17.1 | 0.0 | - | - | - | 1 | 1.9 | 7.9 | 11.4 | 76° | 5.7 |
| 4 | 12.9 | 18.6 | 15.9 | 0.0 | - | - | - | 0.5 | 1.6 | 8.2 | 12.5 | 105° | 6.0 |
| 5 | 13.1 | 24.6 | 18.2 | 0.0 | - | - | - | 8 | 1.4 | 7.1 | 10.3 | 120° | 4.3 |
| 6 | 13.3 | 27.0 | 19.9 | 0.0 | - | - | - | 11 | 0.4 | 4.6 | 8.0 | 198° | 2.9 |
| 7 | 14.6 | 28.4 | 21.4 | 0.0 | - | - | - | 12 | 1.8 | 8.3 | 14.8 | 148° | 5.4 |
| 8 | 16.1 | 28.0 | 21.6 | 2.2 | 1.2 | 0.5 | 3.6 | 11 | 2.7 | 12.0 | 19.4 | 132° | 9.6 |
| 9 | 16.8 | 22.1 | 19.2 | 0.5 | 0.3 | 0.3 | - | 0.7 | 4.1 | 10.3 | 17.1 | 220° | 7.8 |
| 10 | 17.2 | 20.9 | 18.6 | 4.5 | 3.4 | 2.9 | 30 | 1 | 4.8 | 11.5 | 18.2 | 232° | 9.5 |
| 11 | 15.6 | 22.3 | 18.9 | 0.0 | - | - | - | 4 | 3.7 | 9.7 | 17.1 | 272° | 7.7 |
| 12 | 12.2 | 21.1 | 16.8 | 0.0 | - | - | - | 4 | 0.8 | 5.6 | 9.1 | 25° | 3.7 |
| 13 | 12.8 | 20.6 | 16.4 | 0.0 | - | - | - | 2 | 2.2 | 9.1 | 14.8 | 122° | 7.2 |
| 14 | 15.3 | 18.8 | 16.6 | 17.5 | 6.7 | 1.9 | 14 | 0.5 | 1.2 | 7.3 | 11.4 | 131° | 5.1 |
| 15 | 13.1 | 19.1 | 16.1 | 0.0 | - | - | - | 2 | 1.3 | 8.3 | 11.4 | 8° | 5.0 |
| 16 | 10.8 | 22.1 | 16.6 | 0.0 | - | - | - | 8 | 1.5 | 8.3 | 12.5 | 258° | 6.2 |
| 17 | 13.8 | 20.4 | 16.8 | 0.0 | - | - | - | 6 | 2.2 | 8.7 | 12.5 | 230° | 7.2 |
| 18 | 12.6 | 23.6 | 18.2 | 0.0 | - | - | - | 5 | 1.6 | 9.5 | 12.5 | 167° | 6.2 |
| 19 | 14.8 | 20.1 | 17.0 | 1.2 | 1.2 | 0.5 | 3.6 | 1 | 1.0 | 7.0 | 11.4 | 324° | 5.3 |
| 20 | 11.8 | 19.0 | 15.3 | 0.0 | - | - | - | 3 | 2.9 | 9.8 | 14.8 | 354° | 7.0 |
| 21 | 10.3 | 20.5 | 15.0 | 0.0 | - | - | - | 10 | 0.8 | 7.4 | 11.4 | 321° | 4.4 |
| 22 | 10.0 | 21.4 | 15.7 | 0.0 | - | - | - | 10 | 2.2 | 10.9 | 14.8 | 277° | 8.0 |
| 23 | 12.4 | 20.7 | 16.6 | 0.0 | - | - | - | 6 | 3.3 | 12.5 | 20.5 | 282° | 9.4 |
| 24 | 13.1 | 22.5 | 17.5 | 0.0 | - | - | - | 8 | 2.7 | 9.9 | 14.8 | 262° | 7.8 |
| 25 | 13.2 | 18.1 | 16.6 | 0.0 | - | - | - | 0.5 | 0.8 | 5.9 | 9.1 | 257° | 3.9 |
| 26 | 12.7 | 21.4 | 16.7 | 0.0 | - | - | - | 2 | 4.2 | 13.8 | 19.4 | 224° | 10.9 |
| 27 | 12.2 | 17.6 | 15.9 | 2.6 | 1.4 | 0.7 | 7 | 6 | 7.0 | 17.1 | 27.4 | 234° | 13.1 |
| 28 | 10.6 | 17.6 | 13.8 | 10.8 | 6.9 | 3.3 | 60 | 2 | 4.9 | 15.5 | 25.1 | 210° | 11.8 |
| 29 | 8.4 | 14.9 | 11.6 | 0.0 | - | - | - | 9 | 5.3 | 15.9 | 22.8 | 301° | 11.7 |
| 30 | 7.8 | 15.7 | 12.4 | 1.2 | 0.8 | 0.3 | 1.1 | 0.3 | 7.9 | 18.2 | 27.4 | 229° | 14.1 |
Humidity, dew point & pressure
| Day | Hmin | Hmax | Hmean | Dmin | Dmax | Dmean | Pmin | Pmax | Pmean |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 72 | 88 | 81 | 11.2 | 13.7 | 12.4 | 1030 | 1033 | 1032 |
| 2 | 66 | 87 | 78 | 11.8 | 13.9 | 12.5 | 1026 | 1031 | 1029 |
| 3 | 68 | 86 | 79 | 11.3 | 15.8 | 13.4 | 1020 | 1026 | 1023 |
| 4 | 78 | 90 | 84 | 10.6 | 15.3 | 13.2 | 1019 | 1021 | 1020 |
| 5 | 63 | 94 | 81 | 11.8 | 18.4 | 14.7 | 1020 | 1024 | 1022 |
| 6 | 52 | 96 | 79 | 12.2 | 19.0 | 15.9 | 1023 | 1025 | 1024 |
| 7 | 39 | 95 | 70 | 8.2 | 18.7 | 15.1 | 1019 | 1024 | 1022 |
| 8 | 47 | 91 | 71 | 13.8 | 17.5 | 15.6 | 1010 | 1019 | 1014 |
| 9 | 73 | 93 | 85 | 15.3 | 18.5 | 16.6 | 1008 | 1011 | 1010 |
| 10 | 77 | 90 | 86 | 15.2 | 17.8 | 16.3 | 1010 | 1015 | 1012 |
| 11 | 61 | 90 | 78 | 11.6 | 16.5 | 14.9 | 1015 | 1019 | 1017 |
| 12 | 58 | 92 | 77 | 10.4 | 14.6 | 12.6 | 1019 | 1020 | 1020 |
| 13 | 57 | 91 | 80 | 11.2 | 14.2 | 12.7 | 1016 | 1021 | 1019 |
| 14 | 86 | 96 | 93 | 13.0 | 17.5 | 15.4 | 1011 | 1016 | 1013 |
| 15 | 76 | 94 | 87 | 11.8 | 15.1 | 13.9 | 1013 | 1018 | 1015 |
| 16 | 63 | 97 | 82 | 9.9 | 16.1 | 13.3 | 1017 | 1019 | 1018 |
| 17 | 63 | 92 | 81 | 12.0 | 14.9 | 13.4 | 1012 | 1018 | 1015 |
| 18 | 56 | 95 | 78 | 11.3 | 16.5 | 13.9 | 1014 | 1016 | 1015 |
| 19 | 77 | 92 | 87 | 12.5 | 16.2 | 14.8 | 1013 | 1019 | 1015 |
| 20 | 74 | 91 | 84 | 10.0 | 14.8 | 12.6 | 1019 | 1029 | 1024 |
| 21 | 63 | 95 | 82 | 9.2 | 14.4 | 11.7 | 1029 | 1032 | 1031 |
| 22 | 63 | 97 | 80 | 9.0 | 14.5 | 12.1 | 1024 | 1032 | 1028 |
| 23 | 74 | 89 | 82 | 10.2 | 16.3 | 13.5 | 1019 | 1025 | 1021 |
| 24 | 65 | 93 | 81 | 11.7 | 16.5 | 14.0 | 1015 | 1019 | 1017 |
| 25 | 86 | 94 | 90 | 12.1 | 15.9 | 14.8 | 1014 | 1016 | 1015 |
| 26 | 69 | 98 | 86 | 11.8 | 16.8 | 14.2 | 1012 | 1014 | 1013 |
| 27 | 56 | 93 | 78 | 8.3 | 15.6 | 11.8 | 1004 | 1020 | 1012 |
| 28 | 70 | 93 | 83 | 8.5 | 13.4 | 11.0 | 1011 | 1020 | 1017 |
| 29 | 58 | 93 | 78 | 5.5 | 11.4 | 7.7 | 1011 | 1027 | 1020 |
| 30 | 76 | 94 | 84 | 5.2 | 13.6 | 9.8 | 1014 | 1027 | 1021 |
Other measures
| Day | Night | Daymax | T+10m | T+1h | H+1h | T-10m | T-1h | H-1h | Fmin | Fmax | Fmean | AF hrs | AQmin | AQmax | AQmean |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 13.7 | 18.0 | 0.4 | 1.4 | 5 | 0.3 | 0.9 | 6 | 15.8 | 20.9 | 18.0 | 0 | - | - | - |
| 2 | 14.4 | 19.2 | 0.6 | 1.9 | 4 | 0.3 | 0.9 | 6 | 16.7 | 22.2 | 18.9 | 0 | - | - | - |
| 3 | 13.8 | 21.1 | 0.5 | 1.8 | 6 | 0.4 | 1.5 | 5 | 15.7 | 25.6 | 20.1 | 0 | - | - | - |
| 4 | 12.9 | 18.6 | 0.5 | 1.8 | 3 | 0.4 | 1.2 | 5 | 14.5 | 22.6 | 18.9 | 0 | - | - | - |
| 5 | 13.1 | 24.6 | 0.6 | 2.5 | 7 | 0.4 | 1.6 | 7 | 15.4 | 30.5 | 22.0 | 0 | - | - | - |
| 6 | 13.3 | 27.0 | 0.6 | 2.8 | 14 | 0.7 | 3.3 | 9 | 15.7 | 33.3 | 24.5 | 0 | - | - | - |
| 7 | 14.6 | 28.4 | 0.7 | 3.5 | 13 | 0.5 | 2.0 | 14 | 17.7 | 34.7 | 25.5 | 0 | - | - | - |
| 8 | 16.1 | 28.0 | 0.5 | 2.8 | 12 | 0.6 | 1.9 | 14 | 19.4 | 32.8 | 25.9 | 0 | - | - | - |
| 9 | 16.8 | 22.1 | 0.7 | 2.0 | 5 | 0.3 | 0.9 | 8 | 21.2 | 27.8 | 24.3 | 0 | - | - | - |
| 10 | 17.2 | 20.9 | 0.4 | 1.3 | 10 | 0.7 | 1.5 | 9 | 21.4 | 26.2 | 23.5 | 0 | - | - | - |
| 11 | 17.3 | 22.3 | 0.6 | 2.5 | 6 | 0.3 | 1.5 | 10 | 17.7 | 26.4 | 22.8 | 0 | - | - | - |
| 12 | 12.2 | 21.1 | 0.7 | 3.0 | 12 | 0.5 | 2.0 | 10 | 13.7 | 24.6 | 19.4 | 0 | - | - | - |
| 13 | 12.8 | 20.6 | 0.5 | 2.0 | 9 | 0.3 | 1.2 | 11 | 14.7 | 23.4 | 19.0 | 0 | - | - | - |
| 14 | 15.3 | 18.8 | 0.3 | 0.6 | 2 | 0.3 | 1.0 | 2 | 18.1 | 24.4 | 20.9 | 0 | - | - | - |
| 15 | 14.4 | 19.1 | 0.5 | 1.3 | 6 | 0.5 | 2.1 | 7 | 15.3 | 23.1 | 19.5 | 0 | - | - | - |
| 16 | 10.8 | 22.1 | 0.8 | 3.4 | 9 | 0.4 | 1.6 | 14 | 12.0 | 26.2 | 19.6 | 0 | - | - | - |
| 17 | 13.8 | 20.4 | 0.6 | 1.6 | 8 | 0.5 | 1.5 | 9 | 16.1 | 23.8 | 19.8 | 0 | - | - | - |
| 18 | 12.6 | 23.6 | 0.7 | 3.2 | 14 | 0.3 | 1.4 | 11 | 14.5 | 27.9 | 21.6 | 0 | - | - | - |
| 19 | 15.4 | 20.1 | 0.6 | 2.6 | 8 | 0.4 | 1.4 | 11 | 17.3 | 24.8 | 20.8 | 0 | - | - | - |
| 20 | 11.8 | 19.0 | 0.7 | 2.6 | 4 | 0.3 | 1.1 | 8 | 13.1 | 22.8 | 17.9 | 0 | - | - | - |
| 21 | 10.3 | 20.5 | 0.8 | 2.7 | 8 | 0.6 | 2.6 | 10 | 11.2 | 23.8 | 17.1 | 0 | - | - | - |
| 22 | 10.0 | 21.4 | 0.7 | 2.8 | 5 | 0.3 | 1.5 | 14 | 10.9 | 24.9 | 18.1 | 0 | - | - | - |
| 23 | 12.4 | 20.7 | 0.5 | 2.2 | 4 | 0.3 | 1.0 | 5 | 13.9 | 25.5 | 19.7 | 0 | - | - | - |
| 24 | 13.1 | 22.5 | 0.6 | 2.4 | 5 | 0.3 | 1.0 | 10 | 15.3 | 27.2 | 20.9 | 0 | - | - | - |
| 25 | 16.3 | 18.1 | 0.2 | 0.4 | 4 | 0.3 | 1.5 | 2 | 15.5 | 22.6 | 20.4 | 0 | - | - | - |
| 26 | 12.7 | 21.4 | 1.0 | 2.5 | 8 | 0.4 | 2.0 | 8 | 14.9 | 26.4 | 20.2 | 0 | - | - | - |
| 27 | 16.1 | 17.6 | 0.5 | 1.3 | 9 | 1.2 | 2.1 | 10 | 13.0 | 21.5 | 18.1 | 0 | - | - | - |
| 28 | 10.6 | 17.6 | 0.5 | 2.0 | 11 | 0.8 | 1.9 | 12 | 11.2 | 20.2 | 15.6 | 0 | - | - | - |
| 29 | 8.4 | 14.9 | 0.6 | 1.6 | 8 | 0.4 | 1.3 | 8 | 5.3 | 15.3 | 11.5 | 0 | - | - | - |
| 30 | 7.8 | 15.7 | 0.6 | 2.3 | 5 | 0.2 | 0.7 | 6 | 5.5 | 18.2 | 13.5 | 0 | - | - | - |