Waterlooville
September
Weather in Waterlooville for September 2026
Your guide to Waterlooville weather in September - trends and predictions
In general, the average temperature in Waterlooville at the beginning of September is 20.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.6 °C by the end of September.
Waterlooville experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 78 mm.
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Temperatures
Rain 🌧️
More
8
Dry days
22
Rainy days
0
Snow days
18°/13°
Temperatures
27 km/h
Avg max wind
75 %
Avg humidity
Waterlooville Weather September
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Temperatures trend during September in Waterlooville
See the weather trend as well as the moving average line
September weather in Waterlooville day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 21° /15° | 5.3 mm | 4 | |
| 2 Sept. | Light rain shower | 20° /14° | 2.7 mm | 4 | |
| 3 Sept. | Light rain shower | 20° /15° | 2.8 mm | 5 | |
| 4 Sept. | Light rain shower | 20° /13° | 2.8 mm | 5 | |
| 5 Sept. |  Sunny | 20° /13° | 5.8 mm | 5 | |
| 6 Sept. | Sunny | 21° /15° | 4.6 mm | 5 | |
| 7 Sept. | Sunny | 23° /16° | 0.8 mm | 6 | |
| 8 Sept. | Patchy rain possible | 21° /15° | 4 mm | 5 | |
| 9 Sept. | Sunny | 21° /14° | 0.1 mm | 5 | |
| 10 Sept. |  Partly cloudy | 21° /13° | 2.4 mm | 5 | |
| 11 Sept. | Partly cloudy | 18° /12° | 1.6 mm | 4 | |
| 12 Sept. | Light rain shower | 17° /11° | 2.3 mm | 4 | |
| 13 Sept. |  Overcast | 17° /10° | 3 mm | 4 | |
| 14 Sept. | Partly cloudy | 18° /11° | 1.3 mm | 5 | |
| 15 Sept. | Sunny | 18° /12° | 0.3 mm | 5 | |
| 16 Sept. | Partly cloudy | 20° /13° | 0.1 mm | 5 | |
| 17 Sept. |  Moderate rain | 19° /13° | 2.5 mm | 4 | |
| 18 Sept. | Light rain shower | 20° /14° | 2.2 mm | 4 | |
| 19 Sept. | Partly cloudy | 20° /14° | 0.9 mm | 5 | |
| 20 Sept. |  Moderate or heavy rain shower | 19° /13° | 7.5 mm | 4 | |
| 21 Sept. | Light rain shower | 17° /11° | 3.8 mm | 4 | |
| 22 Sept. | Light rain shower | 17° /10° | 1.3 mm | 4 | |
| 23 Sept. | Patchy rain possible | 17° /10° | 0.4 mm | 4 | |
| 24 Sept. | Patchy rain possible | 18° /12° | 0.8 mm | 4 | |
| 25 Sept. | Overcast | 17° /11° | 2.5 mm | 4 | |
| 26 Sept. | Light rain shower | 16° /11° | 7.3 mm | 4 | |
| 27 Sept. | Patchy rain possible | 16° /11° | 2.2 mm | 4 | |
| 28 Sept. | Patchy rain possible | 16° /10° | 0.2 mm | 4 | |
| 29 Sept. | Overcast | 16° /10° | 1.8 mm | 4 | |
| 30 Sept. | Overcast | 17° /10° | 4.7 mm | 4 | |
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Important Notice
Our weather forecast for Waterlooville 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 Waterlooville forecast closer to your planned date for the most up-to-date weather information.
Change Month
Waterlooville in September - FAQ
What are the expected maximum and minimum temperatures in Waterlooville during September?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Waterlooville during September?
Moderate rainfall is anticipated in Waterlooville during September, with a total of 78 mm spread over approximately 22 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Waterlooville during September?
The average wind speed in Waterlooville during September is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Waterlooville
Explore the daily rainfall trends and prepare for Waterloovilles September weather 💧
Typically, Waterlooville has 22 rainy days in September with a total of 78 mm of rainfall.
UV exposure in Waterlooville during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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