Borough of Swindon (Swindon)
September
Weather in Borough of Swindon for September 2026
Your guide to Borough of Swindon weather in September - trends and predictions
Until now, September 2026 in Borough of Swindon is slightly cooler than the historical average by 0.6 °C.
Expect cooler weather in the next days in Borough of Swindon with the forecast suggesting a temperature of 21.6 °C, lower than the historical average.
In general, the average temperature in Borough of Swindon at the beginning of September is 20.9 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 23 °C by the end of September.
Borough of Swindon experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 76.1 mm.
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Temperatures
Rain 🌧️
More
9
Dry days
21
Rainy days
0
Snow days
18°/10°
Temperatures
22 km/h
Avg max wind
78 %
Avg humidity
Borough of Swindon Weather September
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Temperatures trend during September in Borough of Swindon
See the weather trend as well as the moving average line
September weather in Borough of Swindon day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 20° /11° | 4.8 mm | 4 | |
| 2 Sept. |  Overcast | 20° /12° | 2.3 mm | 4 | |
| 3 Sept. | Light rain shower | 21° /12° | 1.8 mm | 4 | |
| 4 Sept. |  Sunny | 19° /12° | 2.4 mm | 4 | |
| 5 Sept. | Sunny | 20° /11° | 7.1 mm | 5 | |
| 6 Sept. | Overcast | 23° /13° | 2.1 mm | 5 | |
| 7 Sept. | Sunny | 23° /13° | 0.6 mm | 4 | |
| 8 Sept. |  Partly cloudy | 21° /13° | 11 mm | 5 | |
| 9 Sept. | Overcast | 21° /11° | 0.2 mm | 5 | |
| 10 Sept. | Partly cloudy | 20° /11° | 1.3 mm | 4 | |
| 11 Sept. | Light rain shower | 18° /10° | 1.2 mm | 4 | |
| 12 Sept. | Light rain shower | 17° /8° | 1.3 mm | 3 | |
| 13 Sept. | Overcast | 16° /10° | 2 mm | 3 | |
| 14 Sept. | Overcast | 19° /10° | 2.9 mm | 4 | |
| 15 Sept. | Partly cloudy | 19° /10° | 0.2 mm | 4 | |
| 16 Sept. |  Light drizzle | 18° /10° | 0.2 mm | 4 | |
| 17 Sept. | Light rain shower | 18° /10° | 2.8 mm | 3 | |
| 18 Sept. | Light drizzle | 20° /11° | 0.4 mm | 4 | |
| 19 Sept. | Light drizzle | 20° /12° | 0.6 mm | 4 | |
| 20 Sept. | Overcast | 17° /12° | 0 mm | 3.3 | |
| 21 Sept. | Sunny | 22° /11° | 0 mm | 4 | |
| 22 Sept. | Sunny | 23° /15° | 0 mm | 3.8 | |
| 23 Sept. | Overcast | 21° /11° | 0 mm | 3.2 | |
| 24 Sept. | Sunny | 20° /9° | 0 mm | 5 | |
| 25 Sept. | Sunny | 20° /10° | 0 mm | 6 | |
| 26 Sept. | Overcast | 26° /11° | 0 mm | 7 | |
| 27 Sept. | Sunny | 21° /14° | 0 mm | 5 | |
| 28 Sept. | Sunny | 25° /15° | 0 mm | 7 | |
| 29 Sept. | Sunny | 26° /13° | 0 mm | 7 | |
| 30 Sept. | Overcast | 23° /17° | 0.3 mm | 5 | |
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Important Notice
Our weather forecast for Borough of Swindon 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 Borough of Swindon forecast closer to your planned date for the most up-to-date weather information.
Change Month
Borough of Swindon in September - FAQ
What are the expected maximum and minimum temperatures in Borough of Swindon during September?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Borough of Swindon during September?
Moderate rainfall is anticipated in Borough of Swindon during September, with a total of 76.1 mm spread over approximately 21 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Borough of Swindon during September?
The average wind speed in Borough of Swindon during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Borough of Swindon
Explore the daily rainfall trends and prepare for Borough of Swindons September weather 💧
Typically, Borough of Swindon has 21 rainy days in September with a total of 76.1 mm of rainfall.
UV exposure in Borough of Swindon during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Borough of Swindon?Get accurate weather forecasts for Borough of Swindon, located at latitude 51.558 and longitude -1.781. Stay updated with localized weather information tailored for Borough of Swindon.
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