Bolton
September
Weather in Bolton for September 2026
Your guide to Bolton weather in September - trends and predictions
Until now, September 2026 in Bolton is slightly cooler than the historical average by 1.3 °C.
The forecast for the next days in Bolton predicts temperatures to be around 18 °C, close to the historical average.
In general, the average temperature in Bolton at the beginning of September is 19.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.7 °C by the end of September.
Bolton experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 97.7 mm.
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Temperatures
Rain 🌧️
More
7
Dry days
23
Rainy days
0
Snow days
17°/11°
Temperatures
19 km/h
Avg max wind
77 %
Avg humidity
Bolton Weather September
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Temperatures trend during September in Bolton
See the weather trend as well as the moving average line
September weather in Bolton day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 18° /12° | 3.4 mm | 4 | |
| 2 Sept. | Patchy rain possible | 19° /12° | 3.3 mm | 4 | |
| 3 Sept. | Patchy rain possible | 19° /12° | 6.4 mm | 4 | |
| 4 Sept. | Patchy rain possible | 19° /11° | 3.1 mm | 4 | |
| 5 Sept. | Patchy rain possible | 19° /12° | 0.3 mm | 4 | |
| 6 Sept. |  Overcast | 23° /13° | 0.6 mm | 4 | |
| 7 Sept. | Patchy rain possible | 22° /15° | 1.3 mm | 4 | |
| 8 Sept. | Patchy rain possible | 20° /13° | 2.3 mm | 4 | |
| 9 Sept. | Patchy rain possible | 19° /12° | 0.5 mm | 4 | |
| 10 Sept. | Light rain shower | 18° /11° | 5.1 mm | 4 | |
| 11 Sept. | Light rain shower | 15° /10° | 5.7 mm | 3 | |
| 12 Sept. |  Mist | 15° /9° | 3 mm | 3 | |
| 13 Sept. | Patchy rain possible | 16° /9° | 3.3 mm | 3 | |
| 14 Sept. |  Sunny | 23° /14° | 0.1 mm | 3.5 | |
| 15 Sept. | Patchy rain possible | 19° /12° | 9.7 mm | 2 | |
| 16 Sept. | Patchy rain possible | 15° /12° | 3.5 mm | 2.3 | |
| 17 Sept. | Light rain shower | 15° /11° | 4.5 mm | 4 | |
| 18 Sept. | Patchy rain possible | 17° /11° | 2.5 mm | 4 | |
| 19 Sept. | Patchy rain possible | 16° /12° | 1.3 mm | 5 | |
| 20 Sept. | Patchy rain possible | 21° /12° | 0.4 mm | 5 | |
| 21 Sept. | Sunny | 17° /12° | 3.6 mm | 5 | |
| 22 Sept. | Patchy rain possible | 14° /11° | 0.3 mm | 3 | |
| 23 Sept. | Overcast | 15° /11° | 0 mm | 4 | |
| 24 Sept. | Sunny | 16° /10° | 0 mm | 5 | |
| 25 Sept. | Sunny | 21° /11° | 0 mm | 6 | |
| 26 Sept. | Sunny | 20° /11° | 0 mm | 6 | |
| 27 Sept. | Sunny | 19° /9° | 5.7 mm | 5 | |
| 28 Sept. | Light rain shower | 14° /8° | 1.1 mm | 4 | |
| 29 Sept. | Patchy rain possible | 13° /8° | 0.9 mm | 3 | |
| 30 Sept. |  Light rain | 14° /8° | 8.8 mm | 3 | |
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Important Notice
Our weather forecast for Bolton 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 Bolton forecast closer to your planned date for the most up-to-date weather information.
Change Month
Bolton in September - FAQ
What are the expected maximum and minimum temperatures in Bolton during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Bolton during September?
Moderate rainfall is anticipated in Bolton during September, with a total of 97.7 mm spread over approximately 23 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Bolton during September?
The average wind speed in Bolton during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Bolton
Explore the daily rainfall trends and prepare for Boltons September weather 💧
Typically, Bolton has 23 rainy days in September with a total of 97.7 mm of rainfall.
UV exposure in Bolton during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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