Slough
September
Weather in Slough for September 2027
Your guide to Slough weather in September - trends and predictions
In general, the average temperature in Slough at the beginning of September is 22.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.9 °C by the end of September.
Slough experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 61.1 mm.
Is September a good time to visit Slough? check out the best time to travel to Slough page.
✨ Is September a good time to visit Slough? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
20
Dry days
10
Rainy days
0
Snow days
20°/12°
Temperatures
21 km/h
Avg max wind
73 %
Avg humidity
Slough Weather September
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Temperatures trend during September in Slough
See the weather trend as well as the moving average line
September weather in Slough day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 22° /12° | 5.7 mm | 5 | |
| 2 Sept. |  Patchy rain possible | 21° /13° | 1.9 mm | 4 | |
| 3 Sept. | Patchy rain possible | 22° /14° | 1.6 mm | 4 | |
| 4 Sept. | Light rain | 21° /13° | 3.3 mm | 4 | |
| 5 Sept. | Light rain | 21° /13° | 4.1 mm | 5 | |
| 6 Sept. | Patchy rain possible | 24° /14° | 1.7 mm | 5 | |
| 7 Sept. |  Partly cloudy | 25° /15° | 0.7 mm | 5 | |
| 8 Sept. |  Moderate rain | 21° /14° | 10.7 mm | 5 | |
| 9 Sept. |  Overcast | 21° /12° | 0 mm | 5 | |
| 10 Sept. | Patchy rain possible | 22° /13° | 2.1 mm | 4 | |
| 11 Sept. | Patchy rain possible | 20° /12° | 1.2 mm | 4 | |
| 12 Sept. | Light rain shower | 18° /10° | 1 mm | 3 | |
| 13 Sept. | Patchy rain possible | 18° /11° | 2.3 mm | 4 | |
| 14 Sept. |  Cloudy | 19° /11° | 0.9 mm | 4 | |
| 15 Sept. | Patchy rain possible | 21° /12° | 0.1 mm | 4.4 | |
| 16 Sept. | Partly cloudy | 20° /11° | 0.1 mm | 4.4 | |
| 17 Sept. | Light rain | 19° /12° | 2.5 mm | 4.3 | |
| 18 Sept. | Patchy rain possible | 21° /12° | 1.3 mm | 4 | |
| 19 Sept. | Light rain | 21° /13° | 0.6 mm | 4 | |
| 20 Sept. | Light rain | 20° /13° | 2.6 mm | 4 | |
| 21 Sept. | Light rain shower | 19° /10° | 0.9 mm | 3.9 | |
| 22 Sept. | Light rain | 18° /11° | 3.1 mm | 3 | |
| 23 Sept. | Overcast | 18° /10° | 0.1 mm | 3.8 | |
| 24 Sept. | Patchy rain possible | 18° /10° | 0.7 mm | 3 | |
| 25 Sept. | Overcast | 19° /11° | 0.6 mm | 3.6 | |
| 26 Sept. |  Thundery outbreaks possible | 18° /10° | 3 mm | 3 | |
| 27 Sept. | Light rain | 17° /10° | 2.6 mm | 3 | |
| 28 Sept. | Overcast | 17° /9° | 0 mm | 3 | |
| 29 Sept. | Overcast | 19° /10° | 0.8 mm | 3 | |
| 30 Sept. | Light rain | 19° /11° | 5.1 mm | 3.2 | |
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Important Notice
Our weather forecast for Slough 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 Slough forecast closer to your planned date for the most up-to-date weather information.
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Slough in September - FAQ
What are the expected maximum and minimum temperatures in Slough during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Slough during September?
Moderate rainfall is anticipated in Slough during September, with a total of 61.1 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Slough during September?
The average wind speed in Slough during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Slough
Explore the daily rainfall trends and prepare for Sloughs September weather 💧
Typically, Slough has 10 rainy days in September with a total of 61.1 mm of rainfall.
UV exposure in Slough during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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