September 2009
Weather in Letchworth Garden City, day by day
Mean temperature
14.7°C
Station average 15.4°C
Highest
26.6°C
On Tue 8 Sep
Lowest
6.4°C
On Sun 27 Sep
Rain
7.6 mm
16% of the station average, 48.2 mm
Wet days
4
With 0.2 mm of rain or more
Wettest day
5.6 mm
On Wed 2 Sep
Strongest gust
24 mph
On Tue 1 Sep
Highest pressure
1036.6 hPa
Lowest 989.5 hPa
How it compares
The 6th coldest September of the 17 on record.
The driest September of the 17 on record.
Day by day
| Day | High | Low | Rain | Gust |
|---|---|---|---|---|
| Tue 1 | 21.0°C | 12.4°C | 1.0 mm | 24 mph |
| Wed 2 | 17.8°C | 11.8°C | 5.6 mm | 19 mph |
| Thu 3 | 17.6°C | 11.1°C | 0.4 mm | 24 mph |
| Fri 4 | 17.3°C | 9.4°C | 0.0 mm | 20 mph |
| Sat 5 | 19.1°C | 9.3°C | 0.0 mm | 14 mph |
| Sun 6 | 18.8°C | 11.8°C | 0.0 mm | 14 mph |
| Mon 7 | 19.6°C | 13.6°C | 0.0 mm | 13 mph |
| Tue 8 | 26.6°C | 16.7°C | 0.0 mm | 19 mph |
| Wed 9 | 18.7°C | 9.6°C | 0.0 mm | 15 mph |
| Thu 10 | 17.8°C | 6.9°C | 0.0 mm | 14 mph |
| Fri 11 | 18.9°C | 7.3°C | 0.0 mm | 12 mph |
| Sat 12 | 20.6°C | 8.8°C | 0.0 mm | 12 mph |
| Sun 13 | 15.7°C | 8.7°C | 0.0 mm | 18 mph |
| Mon 14 | 17.4°C | 11.3°C | 0.0 mm | 18 mph |
| Tue 15 | 16.5°C | 12.4°C | 0.6 mm | 19 mph |
| Wed 16 | 17.8°C | 11.9°C | 0.0 mm | 22 mph |
| Thu 17 | 15.4°C | 11.2°C | 0.0 mm | 14 mph |
| Fri 18 | 20.3°C | 11.1°C | 0.0 mm | 14 mph |
| Sat 19 | 21.6°C | 11.4°C | 0.0 mm | 6 mph |
| Sun 20 | 19.2°C | 11.9°C | 0.0 mm | 11 mph |
| Mon 21 | 19.1°C | 10.0°C | 0.0 mm | 13 mph |
| Tue 22 | 19.9°C | 12.1°C | 0.0 mm | 16 mph |
| Wed 23 | 17.8°C | 12.6°C | 0.0 mm | 12 mph |
| Thu 24 | 18.4°C | 7.7°C | 0.0 mm | 11 mph |
| Fri 25 | 18.7°C | 7.0°C | 0.0 mm | 10 mph |
| Sat 26 | 17.8°C | 6.6°C | 0.0 mm | 7 mph |
| Sun 27 | 19.8°C | 6.4°C | 0.0 mm | 7 mph |
| Mon 28 | 17.3°C | 9.8°C | 0.0 mm | 10 mph |
| Tue 29 | 21.1°C | 10.7°C | 0.0 mm | 9 mph |
| Wed 30 | 18.5°C | 14.3°C | 0.0 mm | 7 mph |
Weather fronts
- Likely cold front · Tue 8 Sep, 21:45
Found automatically from this station’s readings alone, so likely rather than certain. What’s a front?
September in other years
200820102011201220132014201520162017201820192020202120222023202420252026
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.