Monthly Report for September 2019

Weather Summary
Measure	Mean / Sum (anomaly)	Min	Max	Mean Time
Minimum Temperature	11.5 °C (+0.0)	6.9 °C	15.2 °C	10:49
Maximum Temperature	19.8 °C (+0.7)	15.8 °C	25.2 °C	15:04
Mean Temperature	15.6 °C (+0.3)	12.1 °C	18.4 °C
Minimum Humidity	58%	36%	80%	14:14
Maximum Humidity	89%	81%	96%	11:12
Mean Humidity	76%	63%	91%
Minimum Pressure	1015 hPa	993 hPa	1030 hPa	11:47
Maximum Pressure	1022 hPa	1005 hPa	1037 hPa	13:48
Mean Pressure	1018 hPa	998 hPa	1034 hPa
Mean Wind Speed	4.6 mph (+0.7)	1.3 mph	8.0 mph
Maximum Wind Speed	12.8 mph	6.8 mph	19.4 mph	15:01
Maximum Gust	20.7 mph	10.3 mph	31.1 mph	13:13
Mean Wind Direction	211° [SSW]	13° [NNE]	350° [N]
Rainfall	68.1 mm (136%)	0.0 mm	32.0 mm
Maximum Hourly Rain	2.6 mm	0.2 mm	10.3 mm	12:57
Maximum 10-min Rain	1.3 mm	0.2 mm	4.4 mm	13:32
Maximum Rain Rate	21 mm/h	0.4 mm/h	92 mm/h	13:16
Minimum Dew Point	8.3 °C	4.1 °C	13.5 °C	12:47
Maximum Dew Point	13.6 °C	8.9 °C	17.7 °C	14:21
Mean Dew Point	11.1 °C	6.5 °C	15.0 °C
Night Minimum (21-09)	11.8 °C	6.9 °C	15.9 °C	07:19
Day Maximum (09-21)	19.8 °C	15.8 °C	25.2 °C	15:07
Max 10m Temp Rise	0.6 °C	0.3 °C	0.9 °C	09:44
Max 1hr Temp Rise	2.3 °C	0.8 °C	4.6 °C	09:48
Max 1hr Hum Rise	10%	5%	32%	17:00
Max 10m Temp Fall	0.5 °C	0.2 °C	1.3 °C	16:14
Max 1hr Temp Fall	1.8 °C	0.6 °C	4.2 °C	17:10
Max 1hr Hum Fall	11%	4%	20%	10:31
Max 10m Wind Speed	9.3 mph	4.3 mph	14.1 mph	14:36
Minimum Feels-like	12.3 °C	5.3 °C	17.8 °C	10:57
Maximum Feels-like	22.3 °C	17.6 °C	29.7 °C	14:50
Mean Feels-like	17.5 °C	11.8 °C	22.2 °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	8.2 °C (+0.6)	4.2 °C	14.0 °C
Humidity Range	31%	13%	58%
Pressure Range	7 hPa	2 hPa	15 hPa
Sun Hours	162 (110%) [47%]
Wet Hours	59 (144%) [8.2%]

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.

Written report

September 2019

September 2019: 2nd-wettest of 18 station Septembers

Mean 15.6°C, 0.3°C above normal. Highs averaged 19.8°C and lows 11.6°C. Warmest 25.2°C (15 Sep), coldest night 6.9°C (08 Sep). 1 day reaching 25°C.
Rain 68.1 mm, 136% of normal, 2nd-wettest of 18 station Septembers, over 10 days of 1 mm+. Wettest day: 32.0 mm on 24 Sep.
Sunshine 162.3 hours, 110% of normal.
Date records still standing: 02 Sep (8.1°C low min), 08 Sep (6.9°C low min), 15 Sep (10.5 h sun), 17 Sep (11.4 h sun).

Written Mon 02 Nov, 18:04 GMT

‹ Aug 2019 Oct 2019 ›

Written reports for 2019: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec · the year

Days Of...
Rainfall		Temperature		Sunshine		Other
> 0.0 mm	13	Min < -5.0 °C	0	> 0 hrs	28	Falling Snow	0
> 0.1 mm	11	Min < 0.0 °C	0	> 1 hrs	23	Lying Snow	0
> 0.3 mm	11	Mean < 0.0 °C	0	> 3 hrs	18	Hail	0
> 1.0 mm	10	Mean > 20.0 °C	0	> 5 hrs	13	Thunder	0
> 5.0 mm	4	Max > 25.0 °C	1	> 10 hrs	8	Dense Fog	0
> 10.0 mm	1	Max > 30.0 °C	0	> 25% max poss.	18	Gusts > 30mph	1
> 20.0 mm	1	Min > 20.0 °C	0	> 95% max poss.	7	Total Events	1

Misc.

Mean rainfall for days with >0.3mm: 6.2 mm
Total 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	11.9	20.3	15.6	0.0	-	-	-	8	4.0	12.6	26.5	291°	8.7
2	8.1	21.3	15.5	0.0	-	-	-	7	5.2	14.2	21.9	257°	10.5
3	14.8	21.3	17.8	0.0	-	-	-	3	6.3	14.2	20.7	245°	10.0
4	14.1	19.9	16.9	5.9	2.9	0.7	7	6	7.9	17.0	26.5	255°	13.7
5	10.9	17.9	14.2	0.0	-	-	-	8	4.0	12.8	19.6	318°	8.0
6	10.2	17.9	13.8	0.1	-	-	-	1	5.4	18.4	31.1	250°	13.1
7	10.2	17.8	13.9	0.0	-	-	-	4	4.1	10.1	19.6	350°	7.8
8	6.9	17.6	12.1	0.0	-	-	-	10	2.1	8.2	19.6	350°	5.3
9	10.6	15.8	13.9	0.1	-	-	-	0	3.7	10.3	17.3	188°	7.7
10	10.6	19.4	15.4	0.0	-	-	-	5	1.7	11.1	17.3	292°	8.7
11	13.4	20.7	17.1	0.0	-	-	-	1	6.8	15.3	23.0	236°	11.6
12	13.4	24.0	18.4	0.0	-	-	-	4	6.3	16.1	26.5	234°	12.0
13	12.6	20.8	17.0	0.0	-	-	-	12	3.2	9.4	15.0	17°	6.2
14	8.1	22.1	15.2	0.0	-	-	-	11	1.3	7.6	10.3	155°	4.5
15	11.2	25.2	18.0	0.0	-	-	-	10	2.9	9.4	12.7	275°	5.5
16	15.1	19.3	16.9	0.4	0.2	0.2	-	0	2.2	6.8	12.7	315°	4.3
17	9.7	18.8	14.2	0.0	-	-	-	11	3.1	9.0	15.0	13°	6.0
18	7.1	18.5	12.9	0.0	-	-	-	11	1.8	7.5	11.4	57°	5.1
19	7.4	20.4	13.9	0.0	-	-	-	11	2.0	9.9	16.1	92°	8.4
20	9.1	19.7	14.4	0.0	-	-	-	11	4.7	15.1	24.2	94°	11.8
21	10.8	22.4	16.9	0.0	-	-	-	11	4.5	11.9	16.2	88°	8.8
22	15.2	22.2	17.4	1.8	1.1	0.4	2.2	0.1	3.7	13.7	19.6	172°	10.2
23	14.4	19.9	16.2	1.1	0.4	0.2	0.4	4	6.3	14.3	25.3	208°	11.0
24	14.7	19.0	16.6	32.0	10.3	4.4	66	2	5.6	14.2	21.0	203°	10.5
25	14.6	19.9	16.6	2.2	1.8	0.9	7	1	5.9	14.5	21.9	229°	10.8
26	13.9	19.3	16.6	2.9	1.3	1.1	7	2	6.5	14.9	24.2	220°	10.8
27	12.7	17.4	14.8	6.6	4.2	3.5	92	4	7.1	19.4	30.0	220°	14.1
28	11.7	18.4	14.8	4.0	3.1	0.9	7	0.1	7.0	17.5	29.0	226°	12.9
29	12.7	18.2	15.6	4.0	1.3	0.7	7	0.2	8.0	16.6	27.0	240°	12.9
30	10.3	17.2	13.8	7.0	2.4	0.9	13	2	4.5	12.3	19.2	226°	9.0

Humidity, dew point & pressure

Day	Hmin	Hmax	Hmean	Dmin	Dmax	Dmean	Pmin	Pmax	Pmean
1	40	81	63	4.3	10.8	8.1	1015	1023	1018
2	46	84	67	5.5	12.1	9.2	1023	1025	1024
3	58	81	72	10.5	14.3	12.5	1020	1025	1023
4	46	94	73	7.2	15.4	11.6	1015	1020	1016
5	41	82	66	4.1	9.8	7.6	1018	1028	1025
6	70	86	78	7.7	13.3	10.0	1019	1028	1022
7	52	84	71	5.6	11.3	8.7	1021	1027	1024
8	43	91	71	4.9	8.9	6.5	1020	1027	1024
9	64	83	76	5.6	11.7	9.8	1012	1020	1014
10	58	94	76	8.9	12.6	11.0	1015	1021	1019
11	71	84	79	9.5	17.0	13.3	1019	1025	1021
12	61	91	79	11.8	16.7	14.7	1024	1030	1027
13	41	89	67	5.1	15.7	10.4	1030	1037	1034
14	36	94	67	6.1	11.4	8.4	1028	1037	1033
15	55	87	72	8.9	15.9	12.6	1023	1028	1025
16	77	90	84	11.7	15.7	14.2	1022	1024	1023
17	49	91	69	6.2	12.0	8.4	1024	1029	1026
18	48	87	68	4.5	9.0	6.9	1029	1032	1030
19	54	95	74	6.2	11.3	8.9	1030	1033	1032
20	40	96	72	5.2	11.0	9.1	1020	1031	1026
21	51	82	65	6.7	13.0	10.1	1008	1020	1014
22	75	89	83	12.6	17.7	14.4	1003	1008	1005
23	61	92	81	11.5	15.0	12.8	1008	1013	1010
24	80	95	91	13.5	16.3	15.0	1000	1008	1003
25	70	94	87	13.1	15.9	14.3	998	1005	1001
26	68	94	85	11.5	16.1	14.0	1002	1006	1004
27	75	90	85	11.0	14.0	12.3	1002	1008	1005
28	65	93	82	10.0	13.3	11.6	1005	1010	1009
29	80	94	90	10.6	16.2	13.9	993	1008	998
30	74	95	88	9.1	15.8	11.7	1002	1013	1010

Other measures

Day	Night	Daymax	T+10m	T+1h	H+1h	T-10m	T-1h	H-1h	Fmin	Fmax	Fmean	AQmin	AQmax	AQmean
1	11.9	20.3	0.6	2.4	11	0.8	1.7	11	12.3	21.1	16.1	-	-	-
2	8.1	21.3	0.7	3.2	8	0.4	1.7	8	6.2	22.5	16.5	-	-	-
3	14.8	21.3	0.7	1.9	6	0.3	1.2	11	16.8	24.5	20.3	-	-	-
4	14.8	19.9	0.7	1.5	8	0.8	1.4	19	15.2	22.1	19.0	-	-	-
5	10.9	17.9	0.7	1.8	8	0.5	1.7	15	11.0	18.1	14.6	-	-	-
6	10.2	17.9	0.5	1.9	7	0.3	1.7	9	9.6	20.8	15.2	-	-	-
7	11.7	17.8	0.5	1.7	12	0.5	1.4	8	10.3	18.8	14.6	-	-	-
8	6.9	17.6	0.7	3.0	12	0.6	2.8	15	5.3	17.6	11.8	-	-	-
9	10.1	15.8	0.5	2.1	6	0.2	0.6	14	10.6	17.7	15.1	-	-	-
10	10.6	19.4	0.8	3.6	7	0.3	1.1	15	11.4	21.4	17.1	-	-	-
11	13.4	20.7	0.6	2.2	5	0.3	1.1	6	14.5	25.9	20.2	-	-	-
12	13.4	24.0	0.7	2.8	7	0.4	1.5	9	15.6	28.6	22.2	-	-	-
13	12.6	20.8	0.5	1.9	32	0.5	1.9	11	13.9	22.2	18.7	-	-	-
14	8.1	22.1	0.8	4.0	11	0.8	3.8	16	8.1	22.6	15.8	-	-	-
15	11.2	25.2	0.7	3.2	7	0.5	2.2	11	12.0	29.7	20.6	-	-	-
16	15.8	19.3	0.4	1.1	11	0.4	1.7	4	17.2	23.5	20.4	-	-	-
17	9.7	18.8	0.5	2.3	7	0.4	2.0	11	7.6	19.4	14.8	-	-	-
18	7.1	18.5	0.9	3.9	10	0.5	2.1	12	6.3	18.9	13.1	-	-	-
19	7.4	20.4	0.9	4.6	7	0.4	1.7	20	7.0	22.3	14.8	-	-	-
20	9.1	19.7	0.7	3.4	10	0.4	1.4	18	9.2	20.9	15.3	-	-	-
21	10.8	22.4	0.8	3.4	6	0.4	1.4	10	10.8	24.7	18.3	-	-	-
22	15.9	22.2	0.5	2.1	11	1.3	4.2	8	17.8	27.9	21.0	-	-	-
23	14.4	19.9	0.5	1.9	13	0.4	1.5	11	16.6	22.5	18.9	-	-	-
24	15.7	19.0	0.5	1.6	7	1.2	1.5	9	17.8	23.4	20.5	-	-	-
25	14.6	19.9	0.5	1.7	13	0.5	1.9	7	17.5	24.1	20.1	-	-	-
26	15.6	19.3	0.4	1.7	10	0.5	1.7	14	16.0	22.8	19.9	-	-	-
27	13.1	17.4	0.5	1.5	11	0.6	1.7	10	14.5	20.4	17.3	-	-	-
28	11.7	18.4	0.3	1.0	10	0.4	1.1	6	13.1	20.8	16.9	-	-	-
29	14.0	18.2	0.3	0.8	10	0.5	1.6	6	14.3	22.7	18.9	-	-	-
30	10.3	17.2	0.6	2.2	9	0.4	1.4	6	11.2	21.1	16.0	-	-	-

View daily report for the 1st