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23 September

Letchworth Garden City’s weather on 23 September, every year since 2008

Warmest
22.3°C
In 2026
Coldest
4.3°C
In 2025
Warmest night
14.3°C
In 2024
Coldest day
11.7°C
In 2012
Wettest
26.4 mm
In 2020
Strongest gust
22 mph
In 2008

Every year

YearHighLowRainGust
202622.3°C13.8°C0.0 mm12 mph
202517.1°C4.3°C0.0 mm13 mph
202417.2°C14.3°C14.8 mm18 mph
202317.6°C9.1°C0.2 mm9 mph
202218.8°C11.2°C0.8 mm10 mph
202122.2°C11.4°C0.0 mm12 mph
202017.1°C9.2°C26.4 mm13 mph
201919.6°C13.1°C0.8 mm17 mph
201813.0°C6.7°C9.4 mm12 mph
201720.2°C12.2°C0.0 mm14 mph
201620.3°C8.3°C0.0 mm12 mph
201516.3°C7.8°C0.2 mm14 mph
201418.6°C7.9°C0.0 mm11 mph
201317.6°C13.6°C0.0 mm5 mph
201211.7°C8.1°C17.0 mm20 mph
201118.8°C9.1°C0.0 mm12 mph
201017.9°C11.8°C1.6 mm16 mph
200917.8°C12.6°C0.0 mm12 mph
200814.5°C11.1°C0.2 mm22 mph

It has rained (0.2 mm or more) on 23 September in 10 of the 19 years on record.

Typically 18.6°C by day and 10.4°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.