September 2015
Weather in Letchworth Garden City, day by day
Mean temperature
13.1°C
Station average 15.4°C
Highest
21.3°C
On Thu 10 Sep
Lowest
4.6°C
On Sun 6 Sep
Rain
54.0 mm
112% of the station average, 48.2 mm
Wet days
14
With 0.2 mm of rain or more
Wettest day
12.0 mm
On Wed 16 Sep
Strongest gust
21 mph
On Mon 14 Sep
Highest pressure
1036.7 hPa
Lowest 984.4 hPa
How it compares
The coldest September of the 17 on record.
The 6th wettest September of the 17 on record, and the wettest since 2010.
Day by day
| Day | High | Low | Rain | Gust |
|---|---|---|---|---|
| Tue 1 | 19.2°C | 12.2°C | 0.0 mm | 7 mph |
| Wed 2 | 16.6°C | 9.1°C | 3.2 mm | 11 mph |
| Thu 3 | 15.0°C | 8.7°C | 0.0 mm | 9 mph |
| Fri 4 | 15.1°C | 9.8°C | 0.0 mm | 11 mph |
| Sat 5 | 15.0°C | 7.8°C | 1.4 mm | 13 mph |
| Sun 6 | 19.9°C | 4.6°C | 0.0 mm | 11 mph |
| Mon 7 | 15.4°C | 7.4°C | 0.0 mm | 13 mph |
| Tue 8 | 15.2°C | 9.2°C | 0.0 mm | 11 mph |
| Wed 9 | 18.7°C | 11.0°C | 0.0 mm | 13 mph |
| Thu 10 | 21.3°C | 6.8°C | 0.2 mm | 17 mph |
| Fri 11 | 21.0°C | 11.2°C | 0.0 mm | 17 mph |
| Sat 12 | 20.7°C | 11.4°C | 0.0 mm | 18 mph |
| Sun 13 | 18.4°C | 9.3°C | 0.0 mm | 13 mph |
| Mon 14 | 18.2°C | 9.9°C | 6.0 mm | 21 mph |
| Tue 15 | 18.4°C | 9.4°C | 11.4 mm | 19 mph |
| Wed 16 | 14.3°C | 9.7°C | 12.0 mm | 18 mph |
| Thu 17 | 17.7°C | 7.8°C | 1.8 mm | 14 mph |
| Fri 18 | 17.7°C | 11.2°C | 4.0 mm | 9 mph |
| Sat 19 | 18.8°C | 9.9°C | 0.2 mm | 6 mph |
| Sun 20 | 19.1°C | 9.3°C | 0.0 mm | 13 mph |
| Mon 21 | 13.7°C | 10.2°C | 2.6 mm | 13 mph |
| Tue 22 | 13.6°C | 8.3°C | 6.0 mm | 10 mph |
| Wed 23 | 16.3°C | 7.8°C | 0.2 mm | 14 mph |
| Thu 24 | 17.1°C | 10.6°C | 4.8 mm | 14 mph |
| Fri 25 | 16.1°C | 7.4°C | 0.0 mm | 10 mph |
| Sat 26 | 16.8°C | 5.8°C | 0.0 mm | 10 mph |
| Sun 27 | 18.3°C | 5.0°C | 0.0 mm | 14 mph |
| Mon 28 | 18.3°C | 5.9°C | 0.0 mm | 14 mph |
| Tue 29 | 18.5°C | 8.0°C | 0.0 mm | 14 mph |
| Wed 30 | 18.1°C | 7.3°C | 0.2 mm | 18 mph |
Weather fronts
- Likely warm front · Mon 14 Sep, 05:45
- Likely cold front · Mon 14 Sep, 15:15
- Likely cold front · Thu 24 Sep, 05:30
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.