September 2011
Weather in Letchworth Garden City, day by day
Mean temperature
16.0°C
Station average 15.4°C
Highest
28.5°C
On Fri 30 Sep
Lowest
6.8°C
On Thu 15 Sep
Rain
27.0 mm
56% of the station average, 48.2 mm
Wet days
14
With 0.2 mm of rain or more
Wettest day
9.8 mm
On Sun 4 Sep
Strongest gust
31 mph
On Mon 12 Sep
Highest pressure
1027.4 hPa
Lowest 996.6 hPa
How it compares
The 5th warmest September of the 17 on record.
The 4th driest September of the 17 on record, and the driest since 2009.
Day by day
| Day | High | Low | Rain | Gust |
|---|---|---|---|---|
| Thu 1 | 20.4°C | 10.0°C | 0.0 mm | 13 mph |
| Fri 2 | 26.2°C | 11.6°C | 0.0 mm | 13 mph |
| Sat 3 | 22.3°C | 13.8°C | 0.0 mm | 15 mph |
| Sun 4 | 19.2°C | 13.2°C | 9.8 mm | 13 mph |
| Mon 5 | 18.7°C | 9.6°C | 0.4 mm | 23 mph |
| Tue 6 | 17.7°C | 12.2°C | 1.2 mm | 28 mph |
| Wed 7 | 16.3°C | 11.2°C | 0.2 mm | 21 mph |
| Thu 8 | 18.7°C | 12.0°C | 0.4 mm | 16 mph |
| Fri 9 | 21.3°C | 14.4°C | 0.0 mm | 14 mph |
| Sat 10 | 22.4°C | 15.0°C | 0.0 mm | 22 mph |
| Sun 11 | 19.9°C | 13.2°C | 6.2 mm | 24 mph |
| Mon 12 | 20.6°C | 13.3°C | 0.6 mm | 31 mph |
| Tue 13 | 17.4°C | 10.9°C | 1.4 mm | 21 mph |
| Wed 14 | 18.3°C | 9.4°C | 0.0 mm | 14 mph |
| Thu 15 | 18.3°C | 6.8°C | 0.0 mm | 9 mph |
| Fri 16 | 21.5°C | 11.3°C | 0.0 mm | 14 mph |
| Sat 17 | 17.7°C | 8.6°C | 0.4 mm | 16 mph |
| Sun 18 | 16.5°C | 7.2°C | 0.6 mm | 9 mph |
| Mon 19 | 18.9°C | 9.4°C | 0.0 mm | 15 mph |
| Tue 20 | 19.8°C | 13.8°C | 3.2 mm | 19 mph |
| Wed 21 | 16.8°C | 11.3°C | 0.8 mm | 20 mph |
| Thu 22 | 18.2°C | 11.2°C | 0.0 mm | 15 mph |
| Fri 23 | 18.8°C | 9.1°C | 0.0 mm | 12 mph |
| Sat 24 | 19.9°C | 9.7°C | 0.0 mm | 14 mph |
| Sun 25 | 21.4°C | 12.0°C | 0.0 mm | 18 mph |
| Mon 26 | 20.6°C | 15.0°C | 1.6 mm | 14 mph |
| Tue 27 | 21.2°C | 11.9°C | 0.0 mm | 11 mph |
| Wed 28 | 25.6°C | 14.1°C | 0.2 mm | 11 mph |
| Thu 29 | 28.1°C | 15.0°C | 0.0 mm | 10 mph |
| Fri 30 | 28.5°C | 14.5°C | 0.0 mm | 13 mph |
Weather fronts
- Likely warm front · Fri 2 Sep, 04:45
- Likely cold front · Sun 4 Sep, 22:30
- Likely cold front · Mon 12 Sep, 10:15
- Likely cold front · Tue 13 Sep, 16:15
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.