Wiltshire (Salisbury)
September
Weather in Wiltshire for September 2026
Your guide to Wiltshire weather in September - trends and predictions
So far, September 2026 in Wiltshire is slightly warmer than the historical average by 1.5 °C.
The forecast for the next days in Wiltshire predicts temperatures to be around 19 °C, close to the historical average.
In general, the average temperature in Wiltshire at the beginning of September is 20.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 18.3 °C by the end of September.
Wiltshire experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 123.2 mm.
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Temperatures
Rain 🌧️
More
7
Dry days
23
Rainy days
0
Snow days
17°/10°
Temperatures
23 km/h
Avg max wind
79 %
Avg humidity
Wiltshire Weather September
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Temperatures trend during September in Wiltshire
See the weather trend as well as the moving average line
September weather in Wiltshire day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Heavy rain at times | 22° /12° | 3 mm | 4 | |
| 2 Sept. |  Moderate rain at times | 20° /12° | 2.7 mm | 4 | |
| 3 Sept. |  Patchy rain possible | 21° /13° | 2.6 mm | 3 | |
| 4 Sept. | Patchy rain possible | 19° /11° | 2.7 mm | 3 | |
| 5 Sept. | Moderate or heavy rain shower | 19° /10° | 8.9 mm | 4 | |
| 6 Sept. |  Overcast | 21° /12° | 2.4 mm | 4 | |
| 7 Sept. | Moderate or heavy rain shower | 21° /12° | 4.2 mm | 3 | |
| 8 Sept. | Patchy rain possible | 19° /11° | 11.4 mm | 4 | |
| 9 Sept. | Overcast | 18° /9° | 0.3 mm | 4 | |
| 10 Sept. | Heavy rain at times | 18° /9° | 2.4 mm | 3 | |
| 11 Sept. | Patchy rain possible | 18° /9° | 1.3 mm | 3 | |
| 12 Sept. | Patchy rain possible | 17° /8° | 1.1 mm | 3 | |
| 13 Sept. |  Cloudy | 17° /9° | 1.9 mm | 3 | |
| 14 Sept. |  Partly cloudy | 19° /10° | 0.9 mm | 3 | |
| 15 Sept. | Partly cloudy | 19° /10° | 0.9 mm | 4 | |
| 16 Sept. |  Sunny | 18° /10° | 0.1 mm | 4 | |
| 17 Sept. | Patchy rain possible | 19° /10° | 0.5 mm | 4 | |
| 18 Sept. | Overcast | 21° /11° | 0 mm | 4 | |
| 19 Sept. | Partly cloudy | 22° /12° | 0.4 mm | 4 | |
| 20 Sept. | Moderate or heavy rain shower | 20° /11° | 2.1 mm | 3 | |
| 21 Sept. | Patchy rain possible | 19° /9° | 0.7 mm | 4 | |
| 22 Sept. | Moderate or heavy rain shower | 19° /10° | 6.3 mm | 4 | |
| 23 Sept. | Moderate or heavy rain shower | 18° /9° | 10.5 mm | 4 | |
| 24 Sept. | Patchy rain possible | 18° /9° | 0.3 mm | 3 | |
| 25 Sept. | Moderate or heavy rain shower | 18° /9° | 3.4 mm | 3 | |
| 26 Sept. | Heavy rain at times | 15° /8° | 12.1 mm | 4 | |
| 27 Sept. | Overcast | 20° /11° | 0.3 mm | 2.3 | |
| 28 Sept. | Overcast | 18° /10° | 11.6 mm | 2.5 | |
| 29 Sept. | Patchy rain possible | 20° /12° | 9.7 mm | 3 | |
| 30 Sept. | Light rain shower | 19° /13° | 10.5 mm | 2.1 | |
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Important Notice
Our weather forecast for Wiltshire 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 Wiltshire forecast closer to your planned date for the most up-to-date weather information.
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Wiltshire in September - FAQ
What are the expected maximum and minimum temperatures in Wiltshire during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Wiltshire during September?
Significant rainfall exceeding 123.2 mm is expected in Wiltshire during September, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Wiltshire during September?
The average wind speed in Wiltshire during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Wiltshire
Explore the daily rainfall trends and prepare for Wiltshires September weather 💧
Typically, Wiltshire has 23 rainy days in September with a total of 123.2 mm of rainfall.
UV exposure in Wiltshire during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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