Waterville
September
Weather in Waterville for September 2025
Your guide to Waterville weather in September - trends and predictions
In general, the average temperature in Waterville at the beginning of September is 16.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.9 °C by the end of September.
Waterville in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 98.8 mm.
Temperatures
Rain 🌧️
10
Dry days
20
Rainy days
0
Snow days
15°/11°
Temperatures
24 km/h
Avg max wind
81 %
Avg humidity
Waterville Weather September
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Temperatures trend during September in Waterville
See the weather trend as well as the moving average line
September weather in Waterville day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Moderate or heavy rain shower | 17° /13° | 11.8 mm | 4 | |
| 2 Sept. |  Patchy rain possible | 14° /12° | 1.2 mm | 3 | |
| 3 Sept. | Moderate rain at times | 15° /11° | 4.1 mm | 4 | |
| 4 Sept. | Patchy rain possible | 13° /12° | 1 mm | 3 | |
| 5 Sept. |  Cloudy | 16° /11° | 0 mm | 4 | |
| 6 Sept. |  Partly cloudy | 19° /13° | 0 mm | 5 | |
| 7 Sept. | Cloudy | 19° /14° | 0 mm | 4 | |
| 8 Sept. | Patchy rain possible | 15° /12° | 0.6 mm | 4 | |
| 9 Sept. | Patchy rain possible | 14° /11° | 2.1 mm | 3 | |
| 10 Sept. |  Heavy rain at times | 14° /11° | 7.3 mm | 3 | |
| 11 Sept. | Patchy rain possible | 12° /11° | 1.6 mm | 3 | |
| 12 Sept. | Patchy rain possible | 13° /9° | 0.6 mm | 3 | |
| 13 Sept. | Patchy rain possible | 14° /8° | 1 mm | 3 | |
| 14 Sept. | Moderate or heavy rain shower | 15° /13° | 10.7 mm | 4 | |
| 15 Sept. |  Overcast | 15° /12° | 2.4 mm | 4 | |
| 16 Sept. | Overcast | 16° /12° | 0 mm | 4 | |
| 17 Sept. |  Sunny | 18° /12° | 0 mm | 5 | |
| 18 Sept. | Sunny | 18° /11° | 0 mm | 5 | |
| 19 Sept. | Cloudy | 21° /12° | 0 mm | 5 | |
| 20 Sept. | Sunny | 19° /11° | 0 mm | 5 | |
| 21 Sept. | Overcast | 17° /12° | 0 mm | 4 | |
| 22 Sept. | Patchy rain possible | 16° /12° | 0.3 mm | 4 | |
| 23 Sept. | Patchy rain possible | 16° /13° | 0.5 mm | 4 | |
| 24 Sept. | Patchy rain possible | 13° /10° | 1.8 mm | 3 | |
| 25 Sept. | Heavy rain at times | 13° /8° | 11.2 mm | 3 | |
| 26 Sept. | Moderate or heavy rain shower | 12° /8° | 12.6 mm | 3 | |
| 27 Sept. | Patchy rain possible | 12° /10° | 1.4 mm | 3 | |
| 28 Sept. | Overcast | 13° /9° | 0 mm | 3 | |
| 29 Sept. | Moderate or heavy rain shower | 14° /11° | 25.9 mm | 3 | |
| 30 Sept. | Patchy rain possible | 13° /11° | 0.7 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Waterville 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 Waterville forecast closer to your planned date for the most up-to-date weather information.
Change Month
Waterville in September - FAQ
What are the expected maximum and minimum temperatures in Waterville during September?
During September, expect a variety of temperatures with highs around 15° and lows near 11°, suitable for diverse activities and preferences.
How much rainfall should be expected in Waterville during September?
Moderate rainfall is anticipated in Waterville during September, with a total of 98.8 mm spread over approximately 20 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Waterville during September?
The average wind speed in Waterville during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Waterville
Explore the daily rainfall trends and prepare for Watervilles September weather 💧
UV exposure in Waterville during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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