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Weather in Waterville for September 2026

Your guide to Waterville weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Waterville at the beginning of September is 16 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 13.7 °C by the end of September.

    • Rain 🌧️

  • Waterville experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 152.5 mm.

Average dry days
7
Dry days
Average rainy days
23
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/11°
Temperatures
Average wind speed
30 km/h
Avg max wind
Average humidity
81 %
Avg humidity

Waterville Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate or heavy rain shower
16°
2
Patchy rain possible
15°
3
Moderate rain at times
15°
4
Patchy rain possible
14°
5
Cloudy
16°
6
Partly cloudy
18°
7
Cloudy
18°
8
Patchy rain possible
15°
9
Patchy rain possible
15°
10
Heavy rain at times
15°
11
Patchy rain possible
13°
12
Patchy rain possible
13°
13
Patchy rain possible
14°
14
Moderate or heavy rain shower
16°
15
Overcast
15°
16
Overcast
15°
17
Sunny
17°
18
Sunny
17°
19
Cloudy
18°
20
Sunny
17°
21
Overcast
15°
22
Patchy rain possible
14°
23
Patchy rain possible
15°
24
Patchy rain possible
14°
25
Heavy rain at times
14°
26
Moderate or heavy rain shower
13°
27
Patchy rain possible
13°
28
Overcast
14°
29
Moderate or heavy rain shower
14°
30
Patchy rain possible
14°

Temperatures trend during September in Waterville

See the weather trend as well as the moving average line

September weather in Waterville day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /13° 10.4 mm 4
2 Sept. Patchy rain possible
Patchy rain possible
 15° /12° 2.9 mm 4
3 Sept. Moderate rain at times
Moderate rain at times
 15° /12° 13.2 mm 4
4 Sept. Patchy rain possible
Patchy rain possible
 14° /12° 4.8 mm 4
5 Sept. Cloudy
Cloudy
 16° /12° 0.3 mm 4
6 Sept. Partly cloudy
Partly cloudy
 18° /13° 3.4 mm 5
7 Sept. Cloudy
Cloudy
 18° /13° 2.5 mm 4
8 Sept. Patchy rain possible
Patchy rain possible
 15° /11° 2.9 mm 4
9 Sept. Patchy rain possible
Patchy rain possible
 15° /11° 8.1 mm 4
10 Sept. Heavy rain at times
Heavy rain at times
 15° /12° 7.9 mm 4
11 Sept. Patchy rain possible
Patchy rain possible
 13° /11° 6.5 mm 3
12 Sept. Patchy rain possible
Patchy rain possible
 13° /10° 7.4 mm 3
13 Sept. Patchy rain possible
Patchy rain possible
 14° /9° 3.7 mm 3
14 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /12° 15 mm 4
15 Sept. Overcast
Overcast
 15° /12° 3.3 mm 4
16 Sept. Overcast
Overcast
 15° /12° 7.7 mm 4
17 Sept. Sunny
Sunny
 17° /12° 3.5 mm 5
18 Sept. Sunny
Sunny
 17° /12° 8.5 mm 5
19 Sept. Cloudy
Cloudy
 18° /12° 1.6 mm 5
20 Sept. Sunny
Sunny
 17° /10° 5 mm 4
21 Sept. Overcast
Overcast
 15° /10° 0.2 mm 4
22 Sept. Patchy rain possible
Patchy rain possible
 14° /9° 0.2 mm 4
23 Sept. Patchy rain possible
Patchy rain possible
 15° /10° 0.2 mm 4
24 Sept. Patchy rain possible
Patchy rain possible
 14° /10° 0.9 mm 3
25 Sept. Heavy rain at times
Heavy rain at times
 14° /9° 5.6 mm 3
26 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /10° 7.9 mm 3
27 Sept. Patchy rain possible
Patchy rain possible
 13° /10° 0.7 mm 3
28 Sept. Overcast
Overcast
 14° /10° 0.8 mm 3
29 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /11° 13 mm 3
30 Sept. Patchy rain possible
Patchy rain possible
 14° /12° 4.6 mm 4
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.
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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?

Significant rainfall exceeding 152.5 mm is expected in Waterville during September, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Waterville during September?

The average wind speed in Waterville during September is 30 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 💧
Typically, Waterville has 23 rainy days in September with a total of 152.5 mm of rainfall.

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Location coordinates Where is Waterville?

Get accurate weather forecasts for Waterville, located at latitude 51.833 and longitude -10.167. Stay updated with localized weather information tailored for Waterville.

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