Weather in Carshalton for September 2026
Until now, September 2026 in Carshalton has been nearly identical to the historical average, with a temperature of 20.6 °C (showing only a slight deviation of 0.2 °C).
The forecast for the next days in Carshalton predicts temperatures to be around 20 °C, close to the historical average.
In general, the average temperature in Carshalton at the beginning of September is 21.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.7 °C by the end of September.
Carshalton in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 86.5 mm.
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Carshalton Weather September
Temperatures trend during September in Carshalton
September weather in Carshalton day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 23° /13° | 5.3 mm | 5 | |
| 2 Sept. | Light rain shower | 21° /14° | 2.1 mm | 3 | |
| 3 Sept. |  Patchy light drizzle | 22° /15° | 2.9 mm | 4 | |
| 4 Sept. | Light rain shower | 20° /12° | 4.9 mm | 3 | |
| 5 Sept. | Light rain shower | 20° /11° | 3.9 mm | 4 | |
| 6 Sept. |  Overcast | 21° /13° | 2.3 mm | 4 | |
| 7 Sept. | Patchy rain possible | 23° /14° | 2.7 mm | 4 | |
| 8 Sept. | Light rain shower | 18° /12° | 9.6 mm | 4 | |
| 9 Sept. | Patchy rain possible | 18° /10° | 0 mm | 4 | |
| 10 Sept. | Light rain | 18° /11° | 2.2 mm | 3 | |
| 11 Sept. | Light drizzle | 16° /9° | 1.4 mm | 4 | |
| 12 Sept. |  Sunny | 23° /13° | 0 mm | 4.2 | |
| 13 Sept. | Patchy rain possible | 21° /16° | 3.7 mm | 2.7 | |
| 14 Sept. | Sunny | 24° /15° | 0 mm | 4.1 | |
| 15 Sept. | Sunny | 24° /13° | 1.7 mm | 6 | |
| 16 Sept. | Sunny | 17° /10° | 0.9 mm | 5 | |
| 17 Sept. | Overcast | 17° /10° | 0 mm | 5 | |
| 18 Sept. | Patchy rain possible | 18° /11° | 0.1 mm | 4 | |
| 19 Sept. | Patchy rain possible | 17° /12° | 4.6 mm | 4 | |
| 20 Sept. |  Partly cloudy | 17° /11° | 0.9 mm | 5 | |
| 21 Sept. | Light rain shower | 17° /12° | 9.5 mm | 5 | |
| 22 Sept. | Overcast | 19° /11° | 0 mm | 5 | |
| 23 Sept. |  Mist | 22° /13° | 0 mm | 6 | |
| 24 Sept. | Overcast | 23° /14° | 0 mm | 5 | |
| 25 Sept. | Overcast | 22° /15° | 0 mm | 5 | |
| 26 Sept. | Light rain shower | 16° /10° | 8.6 mm | 4 | |
| 27 Sept. | Light rain shower | 14° /8° | 3.8 mm | 4 | |
| 28 Sept. |  Cloudy | 16° /7° | 0 mm | 4 | |
| 29 Sept. | Patchy rain possible | 16° /9° | 0.4 mm | 4 | |
| 30 Sept. | Light rain shower | 17° /10° | 9.3 mm | 5 | |
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Carshalton in September - FAQ
What are the expected maximum and minimum temperatures in Carshalton during September?
How much rainfall should be expected in Carshalton during September?
What are the typical wind conditions in Carshalton during September?
September rainfall patterns in Carshalton
UV exposure in Carshalton during September
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