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Weather in Chatham for September 2025

Your guide to Chatham weather in September - trends and predictions
  • In general, the average temperature in Chatham at the beginning of September is 25.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.6 °C by the end of September.

  • Chatham sees moderate rainfall in September, averaging 10 rainy days.

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Average dry days
20
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/13°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Chatham in September average weather

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Temperatures trend during September in Chatham

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. Mist
Mist
24° /11° 0.1 mm 5
2 Sept. Mist
Mist
22° /12° 0 mm 6
3 Sept. Cloudy
Cloudy
27° /14° 0 mm 7
4 Sept. Partly cloudy
Partly cloudy
28° /16° 0 mm 7
5 Sept. Partly cloudy
Partly cloudy
30° /19° 0 mm 8
6 Sept. Light rain shower
Light rain shower
26° /16° 6.1 mm 6
7 Sept. Light rain shower
Light rain shower
21° /13° 3.8 mm 5
8 Sept. Mist
Mist
20° /10° 0.1 mm 5
9 Sept. Mist
Mist
24° /11° 0 mm 6
10 Sept. Overcast
Overcast
24° /14° 0 mm 6
11 Sept. Fog
Fog
24° /14° 0.6 mm 6
12 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /14° 8.4 mm 6
13 Sept. Mist
Mist
22° /12° 0 mm 6
14 Sept. Cloudy
Cloudy
23° /13° 0 mm 6
15 Sept. Sunny
Sunny
25° /12° 0 mm 7
16 Sept. Mist
Mist
25° /14° 0 mm 6
17 Sept. Mist
Mist
23° /13° 0.1 mm 5
18 Sept. Light rain shower
Light rain shower
22° /12° 0.4 mm 5
19 Sept. Overcast
Overcast
23° /11° 0 mm 5
20 Sept. Overcast
Overcast
24° /13° 0 mm 5
21 Sept. Cloudy
Cloudy
26° /17° 0 mm 6
22 Sept. Fog
Fog
24° /14° 5.2 mm 6
23 Sept. Mist
Mist
21° /12° 10.9 mm 5
24 Sept. Overcast
Overcast
22° /12° 0 mm 5
25 Sept. Patchy light drizzle
Patchy light drizzle
24° /14° 0.7 mm 5
26 Sept. Light rain shower
Light rain shower
22° /13° 0.7 mm 6
27 Sept. Patchy rain possible
Patchy rain possible
21° /13° 0 mm 5
28 Sept. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
19° /15° 9.1 mm 4
29 Sept. Patchy rain possible
Patchy rain possible
21° /15° 0.2 mm 5
30 Sept. Mist
Mist
22° /15° 0 mm 5
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Important Notice
Our weather forecast for Chatham 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 Chatham forecast closer to your planned date for the most up-to-date weather information.

Chatham in September - FAQ

What are the expected maximum and minimum temperatures in Chatham during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Chatham during September?
Moderate rainfall is anticipated in Chatham during September, with a total of 50.4 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Chatham during September?
The average wind speed in Chatham during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Chatham

Explore the daily rainfall trends and prepare for Chathams September weather 💧

UV exposure in Chatham during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Chatham?

Get accurate weather forecasts for Chatham, located at latitude 42.412 and longitude -82.185. Stay updated with localized weather information tailored for Chatham.

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