Streatham
September
Weather in Streatham for September 2025
Your guide to Streatham weather in September - trends and predictions
In general, the average temperature in Streatham at the beginning of September is 23.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.3 °C by the end of September.
Streatham sees moderate rainfall in September, averaging 7 rainy days.
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23
Dry days
7
Rainy days
0
Snow days
22°/14°
Temperatures
18 km/h
Avg max wind
70 %
Avg humidity
Streatham in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2 23° | 3  24° | 4  22° | 5  21° | 6 25° | 7 26° |
| 8 24° | 9 24° | 10 24° | 11 19° | 12 17° | 13 17° | 14 20° |
| 15 22° | 16 22° | 17 21° | 18 21° | 19  20° | 20  20° | 21 20° |
| 22 18° | 23 18° | 24 18° | 25 19° | 26  19° | 27 16° | 28  16° |
| 29 16° | 30 17° |
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Temperatures trend during September in Streatham
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy rain possible | 24° /15° | 6.9 mm | 6 | |
| 2 Sept. | Patchy rain possible | 23° /16° | 0.2 mm | 5 | |
| 3 Sept. | Overcast | 24° /14° | 0.9 mm | 5 | |
| 4 Sept. | Sunny | 22° /14° | 4.7 mm | 6 | |
| 5 Sept. | Partly cloudy | 21° /14° | 5.9 mm | 6 | |
| 6 Sept. | Partly cloudy | 25° /16° | 3.3 mm | 6 | |
| 7 Sept. | Sunny | 26° /16° | 3.8 mm | 6 | |
| 8 Sept. | Sunny | 24° /16° | 8.1 mm | 6 | |
| 9 Sept. | Sunny | 24° /15° | 0 mm | 6 | |
| 10 Sept. | Partly cloudy | 24° /15° | 2 mm | 6 | |
| 11 Sept. | Overcast | 19° /12° | 0.5 mm | 5 | |
| 12 Sept. | Overcast | 17° /10° | 0.4 mm | 4 | |
| 13 Sept. | Overcast | 17° /10° | 0 mm | 4 | |
| 14 Sept. | Partly cloudy | 20° /10° | 0 mm | 6 | |
| 15 Sept. | Sunny | 22° /11° | 0 mm | 6 | |
| 16 Sept. | Partly cloudy | 22° /13° | 0 mm | 6 | |
| 17 Sept. | Light rain shower | 21° /13° | 0.6 mm | 5 | |
| 18 Sept. | Light rain shower | 21° /13° | 6.8 mm | 5 | |
| 19 Sept. | Light rain | 20° /13° | 0.9 mm | 5 | |
| 20 Sept. | Moderate rain | 20° /14° | 15.3 mm | 5 | |
| 21 Sept. | Light rain shower | 20° /12° | 4.6 mm | 5 | |
| 22 Sept. | Light rain shower | 18° /12° | 5.8 mm | 4 | |
| 23 Sept. | Partly cloudy | 18° /10° | 0.2 mm | 5 | |
| 24 Sept. | Overcast | 18° /11° | 1.2 mm | 4 | |
| 25 Sept. | Overcast | 19° /12° | 2.6 mm | 5 | |
| 26 Sept. | Thundery outbreaks possible | 19° /12° | 8.6 mm | 5 | |
| 27 Sept. | Patchy rain possible | 16° /10° | 3.8 mm | 4 | |
| 28 Sept. | Cloudy | 16° /8° | 0.1 mm | 4 | |
| 29 Sept. | Light rain shower | 16° /10° | 1.2 mm | 4 | |
| 30 Sept. | Partly cloudy | 17° /10° | 9.3 mm | 5 | |
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Important Notice
Our weather forecast for Streatham in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Streatham forecast closer to your planned date for the most up-to-date weather information.
Streatham in September - FAQ
What are the expected maximum and minimum temperatures in Streatham during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Streatham during September?
Moderate rainfall is anticipated in Streatham during September, with a total of 57.6 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Streatham during September?
The average wind speed in Streatham during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
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