15 September
Letchworth Garden City’s weather on 15 September, every year since 2008
Every year
| Year | High | Low | Rain | Gust |
|---|---|---|---|---|
| 2026 | 22.9°C | 15.5°C | 0.0 mm | 13 mph |
| 2025 | 19.6°C | 14.1°C | 0.0 mm | 27 mph |
| 2024 | 19.0°C | 9.7°C | 2.8 mm | 12 mph |
| 2023 | 25.2°C | 12.8°C | 0.0 mm | 7 mph |
| 2022 | 18.2°C | 13.3°C | 0.0 mm | 9 mph |
| 2021 | 19.4°C | 12.7°C | 0.2 mm | 10 mph |
| 2020 | 30.3°C | 13.8°C | 0.0 mm | 7 mph |
| 2019 | 25.9°C | 11.7°C | 0.0 mm | 11 mph |
| 2017 | 14.8°C | 7.2°C | 3.0 mm | 7 mph |
| 2016 | 25.2°C | 15.6°C | 0.0 mm | 10 mph |
| 2015 | 18.4°C | 9.4°C | 11.4 mm | 19 mph |
| 2014 | 20.7°C | 12.6°C | 0.0 mm | 6 mph |
| 2013 | 14.2°C | 5.6°C | 1.2 mm | 28 mph |
| 2012 | 21.2°C | 9.0°C | 0.0 mm | 13 mph |
| 2011 | 18.3°C | 6.8°C | 0.0 mm | 9 mph |
| 2010 | 15.9°C | 8.9°C | 0.6 mm | 18 mph |
| 2009 | 16.5°C | 12.4°C | 0.6 mm | 19 mph |
| 2008 | 16.8°C | 8.6°C | 0.0 mm | 14 mph |
It has rained (0.2 mm or more) on 15 September in 7 of the 18 years on record.
Typically 19.9°C by day and 11.3°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.