Bolton
September
Weather in Bolton for September 2025
Your guide to Bolton weather in September - trends and predictions
In general, the average temperature in Bolton at the beginning of September is 20.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.3 °C by the end of September.
Bolton in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 94.3 mm.
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Temperatures
Rain 🌧️
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11
Dry days
19
Rainy days
0
Snow days
16°/11°
Temperatures
20 km/h
Avg max wind
79 %
Avg humidity
Bolton in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2  19° | 3  18° | 4  19° | 5 20° | 6 24° | 7 24° |
| 8  23° | 9 19° | 10  18° | 11 14° | 12  14° | 13 14° | 14 16° |
| 15 17° | 16 15° | 17 18° | 18 17° | 19 17° | 20 17° | 21 17° |
| 22 16° | 23 13° | 24 14° | 25 14° | 26 14° | 27  13° | 28 13° |
| 29 13° | 30 12° |
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Temperatures trend during September in Bolton
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light drizzle | 17° /12° | 3.3 mm | 4 | |
| 2 Sept. | Patchy rain possible | 19° /13° | 4.8 mm | 5 | |
| 3 Sept. | Overcast | 18° /12° | 0.2 mm | 5 | |
| 4 Sept. | Sunny | 19° /12° | 0.5 mm | 5 | |
| 5 Sept. | Sunny | 20° /13° | 0.2 mm | 5 | |
| 6 Sept. | Overcast | 24° /15° | 0 mm | 6 | |
| 7 Sept. | Patchy rain possible | 24° /17° | 0.5 mm | 6 | |
| 8 Sept. | Partly cloudy | 23° /15° | 2 mm | 6 | |
| 9 Sept. | Partly cloudy | 19° /14° | 0.5 mm | 5 | |
| 10 Sept. | Moderate or heavy rain shower | 18° /13° | 6.9 mm | 4 | |
| 11 Sept. | Light rain shower | 14° /10° | 7.2 mm | 4 | |
| 12 Sept. | Mist | 14° /9° | 0.5 mm | 4 | |
| 13 Sept. | Overcast | 14° /7° | 0.1 mm | 4 | |
| 14 Sept. | Overcast | 16° /10° | 0 mm | 5 | |
| 15 Sept. | Fog | 17° /12° | 0.5 mm | 4 | |
| 16 Sept. | Overcast | 15° /10° | 0.2 mm | 4 | |
| 17 Sept. | Light rain | 18° /11° | 4.2 mm | 5 | |
| 18 Sept. | Light rain shower | 17° /10° | 3.5 mm | 5 | |
| 19 Sept. | Light rain shower | 17° /10° | 8.1 mm | 4 | |
| 20 Sept. | Light rain shower | 17° /11° | 3.6 mm | 5 | |
| 21 Sept. | Light rain shower | 17° /11° | 1.2 mm | 4 | |
| 22 Sept. | Light rain shower | 16° /10° | 2.5 mm | 4 | |
| 23 Sept. | Patchy rain possible | 13° /9° | 2.9 mm | 3 | |
| 24 Sept. | Light rain | 14° /9° | 6.4 mm | 4 | |
| 25 Sept. | Patchy rain possible | 14° /9° | 1 mm | 4 | |
| 26 Sept. | Light rain shower | 14° /9° | 14.4 mm | 4 | |
| 27 Sept. | Moderate rain | 13° /8° | 3.1 mm | 4 | |
| 28 Sept. | Light rain shower | 13° /8° | 1.7 mm | 4 | |
| 29 Sept. | Patchy rain possible | 13° /8° | 1.3 mm | 3 | |
| 30 Sept. | Light rain | 12° /8° | 13.2 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.
Bolton in September - FAQ
What are the expected maximum and minimum temperatures in Bolton during September?
Enjoy moderate daytime temperatures of up to 16° 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 94.3 mm spread over approximately 19 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 20 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 💧
UV exposure in Bolton during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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