Slough
September
Weather in Slough for September 2025
Your guide to Slough weather in September - trends and predictions
In general, the average temperature in Slough at the beginning of September is 23.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17 °C by the end of September.
Slough in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 87.2 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
12
Dry days
18
Rainy days
0
Snow days
20°/12°
Temperatures
19 km/h
Avg max wind
74 %
Avg humidity
Slough in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2 23° | 3 22° | 4  22° | 5 22° | 6 25° | 7  26° |
| 8 23° | 9 24° | 10 24° | 11  19° | 12  17° | 13 17° | 14 19° |
| 15 22° | 16 22° | 17  21° | 18 21° | 19  20° | 20 20° | 21 21° |
| 22 18° | 23 17° | 24 18° | 25 18° | 26  19° | 27 15° | 28 16° |
| 29 16° | 30 17° |
You can click on date
Access Slough weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Slough
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Overcast | 22° /13° | 10.5 mm | 5 | |
| 2 Sept. | Overcast | 23° /15° | 0.2 mm | 5 | |
| 3 Sept. | Overcast | 22° /13° | 0.5 mm | 5 | |
| 4 Sept. | Sunny | 22° /13° | 3.5 mm | 6 | |
| 5 Sept. | Sunny | 22° /14° | 8.3 mm | 6 | |
| 6 Sept. | Overcast | 25° /15° | 3.5 mm | 6 | |
| 7 Sept. | Partly cloudy | 26° /15° | 1.2 mm | 7 | |
| 8 Sept. | Partly cloudy | 23° /16° | 14.1 mm | 6 | |
| 9 Sept. | Sunny | 24° /15° | 0 mm | 6 | |
| 10 Sept. | Partly cloudy | 24° /14° | 1.4 mm | 6 | |
| 11 Sept. | Cloudy | 19° /11° | 0.6 mm | 4 | |
| 12 Sept. | Mist | 17° /10° | 0.6 mm | 4 | |
| 13 Sept. | Overcast | 17° /9° | 0 mm | 5 | |
| 14 Sept. | Cloudy | 19° /9° | 0 mm | 5 | |
| 15 Sept. | Sunny | 22° /10° | 0 mm | 6 | |
| 16 Sept. | Partly cloudy | 22° /12° | 0 mm | 6 | |
| 17 Sept. | Light rain shower | 21° /12° | 2.5 mm | 6 | |
| 18 Sept. | Light rain shower | 21° /12° | 2.5 mm | 5 | |
| 19 Sept. | Light rain | 20° /12° | 0.9 mm | 5 | |
| 20 Sept. | Light rain shower | 20° /13° | 5 mm | 5 | |
| 21 Sept. | Light rain shower | 21° /11° | 1.8 mm | 5 | |
| 22 Sept. | Light rain shower | 18° /12° | 6.1 mm | 4 | |
| 23 Sept. | Partly cloudy | 17° /9° | 0.1 mm | 5 | |
| 24 Sept. | Patchy rain possible | 18° /11° | 1.5 mm | 4 | |
| 25 Sept. | Overcast | 18° /12° | 1.2 mm | 5 | |
| 26 Sept. | Thundery outbreaks possible | 19° /11° | 5.9 mm | 5 | |
| 27 Sept. | Patchy rain possible | 15° /9° | 4.7 mm | 4 | |
| 28 Sept. | Overcast | 16° /8° | 0.1 mm | 4 | |
| 29 Sept. | Overcast | 16° /9° | 1.2 mm | 4 | |
| 30 Sept. | Cloudy | 17° /9° | 9.2 mm | 4 | |
| Next | |||||
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.
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 87.2 mm spread over approximately 18 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 19 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 💧
UV exposure in Slough during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
You are here
Where is Slough?Get accurate weather forecasts for Slough, located at latitude 51.509 and longitude -0.595. Stay updated with localized weather information tailored for Slough.
Found a mistake?
We appreciate your attention to details. Tell us here.