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
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 significantly cool down, reaching an average of 15.4 °C by the end of September.
The climate of Borough of Swindon in September is notably wet, with an average of 12 rainy days, and a total of 200.3 mm of precipitation.
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Temperatures
Rain 🌧️
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18
Dry days
12
Rainy days
0
Snow days
21°/8°
Temperatures
22 km/h
Avg max wind
80 %
Avg humidity
Borough of Swindon Weather September
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Temperatures trend during September in Borough of Swindon
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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° | 6.4 mm | 5 | |
| 2 Sept. |  Overcast | 20° /12° | 2.9 mm | 5 | |
| 3 Sept. | Light rain shower | 20° /11° | 2.4 mm | 4 | |
| 4 Sept. |  Sunny | 19° /12° | 3 mm | 5 | |
| 5 Sept. | Sunny | 21° /11° | 9.4 mm | 5 | |
| 6 Sept. |  Partly cloudy | 23° /13° | 2.8 mm | 5 | |
| 7 Sept. | Sunny | 23° /13° | 0.8 mm | 5 | |
| 8 Sept. | Partly cloudy | 22° /13° | 10.4 mm | 5 | |
| 9 Sept. | Sunny | 22° /12° | 0.2 mm | 5 | |
| 10 Sept. | Partly cloudy | 21° /11° | 1.5 mm | 5 | |
| 11 Sept. | Light rain shower | 17° /9° | 1.6 mm | 4 | |
| 12 Sept. | Light rain shower | 15° /8° | 1.7 mm | 4 | |
| 13 Sept. | Overcast | 15° /8° | 1.2 mm | 3 | |
| 14 Sept. | Overcast | 17° /8° | 3.6 mm | 4 | |
| 15 Sept. | Partly cloudy | 19° /10° | 0.3 mm | 5 | |
| 16 Sept. |  Light drizzle | 19° /10° | 0.2 mm | 5 | |
| 17 Sept. | Light rain shower | 18° /11° | 2.6 mm | 4 | |
| 18 Sept. | Light drizzle | 20° /11° | 0.2 mm | 5 | |
| 19 Sept. | Light drizzle | 21° /12° | 0.4 mm | 5 | |
| 20 Sept. | Light rain shower | 19° /10° | 5 mm | 4 | |
| 21 Sept. | Light rain shower | 16° /8° | 1.8 mm | 4 | |
| 22 Sept. | Light rain shower | 15° /8° | 1.9 mm | 3 | |
| 23 Sept. |  Cloudy | 16° /7° | 0.1 mm | 4 | |
| 24 Sept. | Patchy rain possible | 16° /9° | 0.3 mm | 4 | |
| 25 Sept. | Patchy rain possible | 16° /8° | 1.4 mm | 4 | |
| 26 Sept. | Patchy light drizzle | 16° /8° | 2.4 mm | 4 | |
| 27 Sept. |  Fog | 14° /8° | 3.2 mm | 3 | |
| 28 Sept. | Overcast | 15° /8° | 0.8 mm | 4 | |
| 29 Sept. | Partly cloudy | 15° /7° | 3.7 mm | 4 | |
| 30 Sept. | Overcast | 16° /8° | 3.7 mm | 4 | |
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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.
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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 21° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Borough of Swindon during September?
Significant rainfall exceeding 200.3 mm is expected in Borough of Swindon during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
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 12 rainy days in September with a total of 200.3 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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