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Daily Report for 30th September 2026

Bad date specified. Defaulted to most recent report available.

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MeasureValue (anomaly)TimeMonth cumul.Record HighRecord Low
Minimum Temperature17.1 °C (+6.9)23:0513.4 °C (+1.9)17.1 °C (+6.9), 20265.8 °C (-4.4), 2012
Maximum Temperature23.5 °C (+6.6)15:2522.3 °C (+3.2)27.4 °C (+10.5), 201115.4 °C (-1.5), 2018
Mean Temperature20.9 °C (+6.7)17.9 °C (+2.5)20.9 °C, 202611.6 °C, 2018
Minimum Humidity48%16:1553%83%, 202437%, 2015
Maximum Humidity83%11:4787%98%, 201081%, 2016
Mean Humidity69%72%91%, 202468%, 2015
Minimum Pressure1010 hPa05:291017 hPa1031 hPa, 2015999 hPa, 2022
Maximum Pressure1016 hPa23:481023 hPa1034 hPa, 20151009 hPa, 2013
Mean Pressure1013 hPa1020 hPa1032 hPa, 20151003 hPa, 2024
Mean Wind Speed5.1 mph (+1.2)4.3 mph (+0.4)8.3 mph, 20240.8 mph, 2025
Maximum Wind Speed14.1 mph15:5512.5 mph18.8 mph, 20247.6 mph, 2009
Maximum Gust20.7 mph09:4120.4 mph32.3 mph, 202410.5 mph, 2009
Mean Wind Directionn/aWSWNW, 2018NE, 2015
Rainfall0.6 mm26.8 mm (54%)12.5 mm, 20220.0 mm, 2009
Maximum Hourly Rain0.4 mm11:330.4 mm4.8 mm, 20220.4 mm, 2026
Maximum 10-min Rain0.4 mm11:330.2 mm1.5 mm, 20240.3 mm, 2020
Maximum Rain Raten/a1.3 mm/h30 mm/h, 20241.1 mm/h, 2021
Minimum Dew Point10.7 °C19:579.6 °C12.0 °C, 20142.5 °C, 2015
Maximum Dew Point17.9 °C11:1115.1 °C17.9 °C, 20268.8 °C, 2018
Mean Dew Point14.8 °C12.4 °C14.8 °C, 20266.7 °C, 2018
MeasureValueTimeMonth cumul.Record HighRecord Low
Night Minimum (21-09)20.3 °C06:2214.0 °C20.3 °C, 20265.8 °C, 2012
Day Maximum (09-21)23.5 °C15:2522.2 °C27.4 °C, 201115.4 °C, 2018
Max 10m Temp Rise0.5 °C12:160.7 °C0.9 °C, 20250.3 °C, 2024
Max 1hr Temp Rise2.0 °C12:382.4 °C4.4 °C, 20250.7 °C, 2024
Max 1hr Hum Rise7%18:038%14%, 20223%, 2024
Max 10m Temp Fall0.5 °C11:360.5 °C0.7 °C, 20250.2 °C, 2021
Max 1hr Temp Fall1.4 °C22:311.8 °C3.3 °C, 20250.7 °C, 2021
Max 1hr Hum Fall17%13:5311%17%, 20156%, 2019
Max 10m Wind Speed10.2 mph15:439.1 mph14.3 mph, 20165.7 mph, 2025
Minimum Feels-like19.3 °C23:0514.9 °C19.3 °C, 20263.8 °C, 2012
Maximum Feels-like27.9 °C12:3125.5 °C30.2 °C, 201116.1 °C, 2018
Mean Feels-like24.9 °C20.5 °C24.9 °C, 202611.7 °C, 2018
Air-frost Hrs0 hrs0 hrs0 hrs, 20090 hrs, 2009
Minimum PM2.51.2 µg/m314:501.4 µg/m31.2 µg/m3, 20260.0 µg/m3, 2009
Maximum PM2.520.1 µg/m300:0115.2 µg/m320.1 µg/m3, 202620.1 µg/m3, 2026
Mean PM2.56.2 µg/m35.4 µg/m36.2 µg/m3, 20266.2 µg/m3, 2026
MeasureValue (anomaly)Month cumul.Record HighRecord Low
Temperature Range6.4 °C (-0.3)8.8 °C13.9 °C, 20114.5 °C, 2009
Humidity Range35%33%55%, 201114%, 2009
Pressure Range6 hPa6 hPa14 hPa, 20202 hPa, 2011
ObservationDetail
Sun Hoursn/a
Wet Hoursn/a
Cloud Covernot available
EventsNone
CommentsNone known
Observer Absent?No
Pond Temperaturen/a
Notes
Detailed daily weather report for Hampstead, NW3, London on 30th September 2026. Times of extremes use the midpoint of the longest continuous period at that value. Cumulative anomalies are relative to the expected value for the month-to-date. Sun and wet hours are derived from webcam/rainfall analysis and may be adjusted. Data should be viewed with appropriate caution.

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