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18 September

Letchworth Garden City’s weather on 18 September, every year since 2008

Warmest
24.2°C
In 2014
Coldest
5.3°C
In 2019
Warmest night
17.1°C
In 2018
Coldest day
14.5°C
In 2013
Wettest
14.4 mm
In 2023
Strongest gust
23 mph
In 2018

Every year

YearHighLowRainGust
202619.6°C11.6°C0.0 mm19 mph
202522.4°C16.9°C0.0 mm17 mph
202422.9°C14.5°C0.0 mm15 mph
202319.2°C13.0°C14.4 mm14 mph
202217.4°C9.1°C0.0 mm11 mph
202123.4°C12.1°C0.0 mm10 mph
202020.6°C7.8°C0.0 mm19 mph
201918.7°C5.3°C0.0 mm9 mph
201822.3°C17.1°C0.0 mm23 mph
201716.4°C10.4°C5.6 mm10 mph
201618.7°C12.7°C0.0 mm5 mph
201517.7°C11.2°C4.0 mm9 mph
201424.2°C14.4°C0.0 mm13 mph
201314.5°C8.8°C0.2 mm11 mph
201216.9°C8.4°C0.0 mm14 mph
201116.5°C7.2°C0.6 mm9 mph
201017.3°C5.8°C0.0 mm9 mph
200920.3°C11.1°C0.0 mm14 mph
200817.8°C7.6°C0.0 mm13 mph

It has rained (0.2 mm or more) on 18 September in 5 of the 19 years on record.

Typically 19.3°C by day and 10.8°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.