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Weather in Cambridge for September 2026

Your guide to Cambridge weather in September - trends and predictions

    Temperatures

  • So far, September 2026 in Cambridge is slightly warmer than the historical average by 1.8 °C.

  • The forecast for the next days in Cambridge predicts a temperature of 19.4 °C, which is cooler than the historical average.

  • In general, the average temperature in Cambridge at the beginning of September is 24.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.7 °C by the end of September.

    • Rain 🌧️

  • Cambridge experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 71.3 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
21
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/12°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Cambridge Weather September

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

Temperatures trend during September in Cambridge

See the weather trend as well as the moving average line

September weather in Cambridge day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 26° /13° 0.1 mm 7
2 Sept. Fog
Fog
 25° /12° 2.3 mm 5
3 Sept. Cloudy
Cloudy
 27° /13° 1.3 mm 5
4 Sept. Sunny
Sunny
 26° /13° 8.4 mm 6
5 Sept. Overcast
Overcast
 26° /12° 0 mm 7
6 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 24° /13° 2.8 mm 6
7 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 20° /10° 2.7 mm 4
8 Sept. Mist
Mist
 22° /9° 0 mm 4
9 Sept. Overcast
Overcast
 24° /11° 2 mm 4
10 Sept. Overcast
Overcast
 24° /12° 0 mm 5
11 Sept. Partly cloudy
Partly cloudy
 25° /12° 0.4 mm 6
12 Sept. Sunny
Sunny
 28° /10° 0.8 mm 6.2
13 Sept. Sunny
Sunny
 21° /12° 0.1 mm 5.8
14 Sept. Sunny
Sunny
 18° /9° 0 mm 5.5
15 Sept. Overcast
Overcast
 20° /10° 1.5 mm 4
16 Sept. Overcast
Overcast
 23° /18° 0.1 mm 6
17 Sept. Mist
Mist
 18° /12° 2.4 mm 4
18 Sept. Patchy rain possible
Patchy rain possible
 28° /12° 15.6 mm 6
19 Sept. Light rain shower
Light rain shower
 18° /9° 29.5 mm 3
20 Sept. Sunny
Sunny
 15° /9° 0 mm 5
21 Sept. Sunny
Sunny
 16° /9° 0 mm 5
22 Sept. Sunny
Sunny
 17° /11° 0 mm 5
23 Sept. Sunny
Sunny
 20° /14° 0 mm 6
24 Sept. Patchy rain possible
Patchy rain possible
 13° /7° 0.2 mm 4
25 Sept. Sunny
Sunny
 17° /5° 0.1 mm 5
26 Sept. Fog
Fog
 22° /12° 0.5 mm 5
27 Sept. Fog
Fog
 21° /10° 0 mm 5
28 Sept. Patchy light drizzle
Patchy light drizzle
 20° /11° 0.3 mm 5
29 Sept. Patchy rain possible
Patchy rain possible
 23° /12° 0.1 mm 5
30 Sept. Mist
Mist
 22° /12° 0 mm 5
Next
Important Notice
Our weather forecast for Cambridge 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 Cambridge forecast closer to your planned date for the most up-to-date weather information.
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Cambridge in September - FAQ

What are the expected maximum and minimum temperatures in Cambridge during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Cambridge during September?
Moderate rainfall is anticipated in Cambridge during September, with a total of 71.3 mm spread over approximately 9 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Cambridge during September?
The average wind speed in Cambridge during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Cambridge

Explore the daily rainfall trends and prepare for Cambridges September weather 💧
Typically, Cambridge has 9 rainy days in September with a total of 71.3 mm of rainfall.

UV exposure in Cambridge during September

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

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Location coordinates Where is Cambridge?

Get accurate weather forecasts for Cambridge, located at latitude 43.36 and longitude -80.313. Stay updated with localized weather information tailored for Cambridge.

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