Surrey (Guildford)
September
Weather in Surrey for September 2025
Your guide to Surrey weather in September - trends and predictions
Until now, September 2025 in Surrey is cooler than usual, with temperatures averaging 19.1 °C, this is -2.1 °C below the typical seasonal average.
The forecast for the next days in Surrey predicts temperatures to be around 17 °C, close to the historical average.
In general, the average temperature in Surrey at the beginning of September is 22.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.3 °C by the end of September.
Surrey in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 100.1 mm.
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Temperatures
Rain 🌧️
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12
Dry days
18
Rainy days
0
Snow days
20°/11°
Temperatures
20 km/h
Avg max wind
76 %
Avg humidity
Surrey Weather September
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Temperatures trend during September in Surrey
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September weather in Surrey day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy light drizzle | 23° /13° | 7.8 mm | 5 | |
| 2 Sept. |  Overcast | 22° /13° | 1.9 mm | 5 | |
| 3 Sept. |  Light rain shower | 22° /13° | 2.3 mm | 5 | |
| 4 Sept. |  Sunny | 21° /12° | 4.4 mm | 5 | |
| 5 Sept. | Sunny | 22° /12° | 7.2 mm | 5 | |
| 6 Sept. | Sunny | 23° /13° | 3.1 mm | 6 | |
| 7 Sept. | Sunny | 25° /14° | 0.4 mm | 6 | |
| 8 Sept. |  Partly cloudy | 22° /13° | 6.9 mm | 5 | |
| 9 Sept. | Sunny | 23° /12° | 0 mm | 5 | |
| 10 Sept. | Light rain shower | 22° /12° | 2.6 mm | 5 | |
| 11 Sept. |  Mist | 19° /10° | 0.6 mm | 4 | |
| 12 Sept. | Light rain shower | 17° /9° | 1.6 mm | 4 | |
| 13 Sept. | Overcast | 17° /8° | 1.7 mm | 4 | |
| 14 Sept. |  Cloudy | 19° /8° | 0.6 mm | 5 | |
| 15 Sept. | Sunny | 20° /10° | 0.2 mm | 5 | |
| 16 Sept. | Partly cloudy | 21° /11° | 0 mm | 5 | |
| 17 Sept. | Light rain shower | 21° /12° | 2.6 mm | 5 | |
| 18 Sept. | Partly cloudy | 22° /15° | 0 mm | 0.8 | |
| 19 Sept. | Sunny | 25° /14° | 0 mm | 1 | |
| 20 Sept. | Sunny | 22° /12° | 0 mm | 0.8 | |
| 21 Sept. | Patchy rain possible | 17° /10° | 1.4 mm | 0.4 | |
| 22 Sept. | Patchy rain possible | 17° /11° | 3.5 mm | 3 | |
| 23 Sept. | Patchy rain possible | 13° /10° | 3.2 mm | 3 | |
| 24 Sept. | Patchy rain possible | 12° /8° | 2.9 mm | 3 | |
| 25 Sept. | Patchy rain possible | 16° /9° | 0.3 mm | 3 | |
| 26 Sept. | Patchy rain possible | 18° /11° | 1.8 mm | 3 | |
| 27 Sept. | Partly cloudy | 16° /9° | 0 mm | 4 | |
| 28 Sept. | Partly cloudy | 16° /7° | 0 mm | 4 | |
| 29 Sept. | Patchy rain possible | 15° /7° | 0.2 mm | 3 | |
| 30 Sept. | Partly cloudy | 14° /5° | 0 mm | 3 | |
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Important Notice
Our weather forecast for Surrey 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 Surrey forecast closer to your planned date for the most up-to-date weather information.
Change Month
Surrey in September - FAQ
What are the expected maximum and minimum temperatures in Surrey during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Surrey during September?
Significant rainfall exceeding 100.1 mm is expected in Surrey during September, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Surrey during September?
The average wind speed in Surrey during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Surrey
Explore the daily rainfall trends and prepare for Surreys September weather 💧
UV exposure in Surrey during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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