September 2017
Weather in Letchworth Garden City, day by day
Mean temperature
14.2°C
Station average 15.4°C
Highest
22.1°C
On Mon 4 Sep
Lowest
5.8°C
On Fri 22 Sep
Rain
62.0 mm
129% of the station average, 48.2 mm
Wet days
22
With 0.2 mm of rain or more
Wettest day
11.2 mm
On Sat 9 Sep
Strongest gust
32 mph
On Wed 13 Sep
Highest pressure
1021.9 hPa
Lowest 987.5 hPa
How it compares
The 4th coldest September of the 17 on record, and the coldest since 2015.
The 3rd wettest September of the 17 on record.
Day by day
| Day | High | Low | Rain | Gust |
|---|---|---|---|---|
| Fri 1 | 20.6°C | 7.7°C | 0.6 mm | 9 mph |
| Sat 2 | 21.2°C | 8.4°C | 0.0 mm | 7 mph |
| Sun 3 | 17.7°C | 11.5°C | 0.4 mm | 15 mph |
| Mon 4 | 22.1°C | 13.2°C | 1.8 mm | 12 mph |
| Tue 5 | 20.1°C | 14.0°C | 3.0 mm | 18 mph |
| Wed 6 | 17.4°C | 11.1°C | 0.0 mm | 11 mph |
| Thu 7 | 19.2°C | 11.2°C | 0.0 mm | 17 mph |
| Fri 8 | 16.7°C | 10.7°C | 4.4 mm | 14 mph |
| Sat 9 | 17.5°C | 9.2°C | 11.2 mm | 14 mph |
| Sun 10 | 16.1°C | 8.2°C | 1.0 mm | 22 mph |
| Mon 11 | 18.5°C | 9.7°C | 2.8 mm | 22 mph |
| Tue 12 | 18.3°C | 9.4°C | 1.2 mm | 23 mph |
| Wed 13 | 17.7°C | 11.1°C | 0.6 mm | 32 mph |
| Thu 14 | 18.2°C | 7.6°C | 0.0 mm | 14 mph |
| Fri 15 | 14.8°C | 7.2°C | 3.0 mm | 7 mph |
| Sat 16 | 13.7°C | 7.6°C | 8.2 mm | 6 mph |
| Sun 17 | 16.5°C | 9.1°C | 3.6 mm | 10 mph |
| Mon 18 | 16.4°C | 10.4°C | 5.6 mm | 10 mph |
| Tue 19 | 15.4°C | 7.6°C | 0.2 mm | 9 mph |
| Wed 20 | 17.6°C | 8.6°C | 0.0 mm | 14 mph |
| Thu 21 | 17.9°C | 11.9°C | 1.4 mm | 20 mph |
| Fri 22 | 18.4°C | 5.8°C | 0.2 mm | 12 mph |
| Sat 23 | 20.2°C | 12.2°C | 0.0 mm | 14 mph |
| Sun 24 | 21.7°C | 11.7°C | 0.0 mm | 13 mph |
| Mon 25 | 16.9°C | 14.2°C | 2.8 mm | 7 mph |
| Tue 26 | 18.8°C | 12.5°C | 0.0 mm | 9 mph |
| Wed 27 | 20.5°C | 12.9°C | 6.6 mm | 12 mph |
| Thu 28 | 20.4°C | 13.4°C | 1.4 mm | 11 mph |
| Fri 29 | 16.9°C | 12.1°C | 1.4 mm | 15 mph |
| Sat 30 | 16.5°C | 10.3°C | 0.6 mm | 15 mph |
Weather fronts
- Likely cold front · Tue 5 Sep, 19:30
Found automatically from this station’s readings alone, so likely rather than certain. What’s a front?
September in other years
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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.