Surrey (Guildford)
September
Weather in Surrey for September 2025
Your guide to Surrey weather in September - trends and predictions
In general, the average temperature in Surrey at the beginning of September is 23.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.9 °C by the end of September.
Surrey sees moderate rainfall in September, averaging 8 rainy days.
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22
Dry days
8
Rainy days
0
Snow days
22°/13°
Temperatures
20 km/h
Avg max wind
74 %
Avg humidity
Surrey in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  23° | 3  23° | 4  22° | 5 22° | 6 24° | 7 26° |
| 8  23° | 9 24° | 10 23° | 11 19° | 12 17° | 13 17° | 14  20° |
| 15 21° | 16 23° | 17  21° | 18 22° | 19 20° | 20 20° | 21 20° |
| 22 18° | 23 18° | 24 18° | 25 18° | 26  18° | 27 16° | 28 16° |
| 29 15° | 30 17° |
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Temperatures trend during September in Surrey
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 light drizzle | 24° /14° | 10.9 mm | 6 | |
| 2 Sept. | Overcast | 23° /14° | 0.2 mm | 5 | |
| 3 Sept. | Mist | 23° /12° | 1.1 mm | 5 | |
| 4 Sept. | Sunny | 22° /12° | 4 mm | 6 | |
| 5 Sept. | Sunny | 22° /13° | 10.8 mm | 6 | |
| 6 Sept. | Sunny | 24° /14° | 4.7 mm | 6 | |
| 7 Sept. | Sunny | 26° /15° | 0.3 mm | 7 | |
| 8 Sept. | Partly cloudy | 23° /15° | 10.4 mm | 6 | |
| 9 Sept. | Sunny | 24° /14° | 0 mm | 6 | |
| 10 Sept. | Partly cloudy | 23° /13° | 2.3 mm | 6 | |
| 11 Sept. | Mist | 19° /10° | 0.1 mm | 4 | |
| 12 Sept. | Mist | 17° /9° | 0.8 mm | 4 | |
| 13 Sept. | Overcast | 17° /8° | 0 mm | 5 | |
| 14 Sept. | Cloudy | 20° /9° | 0 mm | 5 | |
| 15 Sept. | Sunny | 21° /10° | 0 mm | 6 | |
| 16 Sept. | Partly cloudy | 23° /11° | 0 mm | 6 | |
| 17 Sept. | Light rain shower | 21° /12° | 2.6 mm | 5 | |
| 18 Sept. | Light rain shower | 22° /12° | 5.1 mm | 5 | |
| 19 Sept. | Light drizzle | 20° /12° | 0.5 mm | 5 | |
| 20 Sept. | Light rain shower | 20° /12° | 11 mm | 5 | |
| 21 Sept. | Light rain shower | 20° /11° | 3.4 mm | 5 | |
| 22 Sept. | Light rain shower | 18° /11° | 3 mm | 4 | |
| 23 Sept. | Partly cloudy | 18° /9° | 0.4 mm | 5 | |
| 24 Sept. | Cloudy | 18° /10° | 1.3 mm | 4 | |
| 25 Sept. | Mist | 18° /11° | 1.5 mm | 5 | |
| 26 Sept. | Thundery outbreaks possible | 18° /11° | 12.9 mm | 5 | |
| 27 Sept. | Patchy rain possible | 16° /9° | 2.4 mm | 4 | |
| 28 Sept. | Overcast | 16° /7° | 0.1 mm | 4 | |
| 29 Sept. | Patchy rain possible | 15° /8° | 1.1 mm | 4 | |
| 30 Sept. | Partly cloudy | 17° /8° | 9.3 mm | 5 | |
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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.
Surrey in September - FAQ
What are the expected maximum and minimum temperatures in Surrey during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Surrey during September?
In September, Surrey can expect light to moderate rainfall, totaling 45.7 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
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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