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20 September

Letchworth Garden City’s weather on 20 September, every year since 2008

Warmest
23.2°C
In 2024
Coldest
7.3°C
In 2012
Warmest night
15.3°C
In 2024
Coldest day
15.9°C
In 2014
Wettest
40.8 mm
In 2023
Strongest gust
29 mph
In 2018

Every year

YearHighLowRainGust
202620.3°C12.2°C0.0 mm10 mph
202521.1°C13.2°C0.0 mm24 mph
202423.2°C15.3°C0.0 mm17 mph
202319.5°C13.8°C40.8 mm22 mph
202219.4°C8.3°C0.0 mm5 mph
202119.4°C11.3°C0.0 mm12 mph
202022.5°C12.8°C0.0 mm15 mph
201921.2°C10.3°C0.0 mm13 mph
201819.8°C14.1°C6.6 mm29 mph
201717.6°C8.6°C0.0 mm14 mph
201618.3°C13.0°C0.4 mm7 mph
201519.1°C9.3°C0.0 mm13 mph
201415.9°C13.4°C1.0 mm13 mph
201317.8°C10.4°C0.0 mm12 mph
201216.8°C7.3°C0.0 mm13 mph
201119.8°C13.8°C3.2 mm19 mph
201019.9°C12.8°C0.0 mm16 mph
200919.2°C11.9°C0.0 mm11 mph
200820.1°C8.2°C0.0 mm10 mph

It has rained (0.2 mm or more) on 20 September in 5 of the 19 years on record.

Typically 19.0°C by day and 10.7°C at night: the station’s average for the date, over every year.

Rainfall up to yesterday is from the Environment Agency’s rain gauges near Letchworth: the station’s own gauge is sheltered by nearby buildings and trees and catches less than falls. Today’s is the station’s. Contains Environment Agency information © Environment Agency and/or database right, under the Open Government Licence.