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Weather in Cambridge for September 2025

Your guide to Cambridge weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Wind Warning - See hour by hour.

    • Temperatures

  • Until now, September 2025 in Cambridge is slightly cooler than the historical average by -1.7 °C.

  • Expect cooler weather in the next days in Cambridge with the forecast suggesting a temperature of 18.2 °C, lower than the historical average.

  • In general, the average temperature in Cambridge at the beginning of September is 23 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16 °C by the end of September.

    • Rain 🌧️

  • The climate of Cambridge in September is notably wet, with an average of 15 rainy days, and a total of 62.1 mm of precipitation.

    • More

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

Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/12°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Cambridge Weather September

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

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. Mist
Mist
 23° /13° 2 mm 5
2 Sept. Mist
Mist
 22° /13° 1.3 mm 5
3 Sept. Light rain shower
Light rain shower
 22° /14° 1.9 mm 5
4 Sept. Sunny
Sunny
 20° /12° 4.6 mm 5
5 Sept. Overcast
Overcast
 22° /12° 0.9 mm 5
6 Sept. Sunny
Sunny
 26° /15° 0.5 mm 6
7 Sept. Sunny
Sunny
 26° /16° 1.1 mm 6
8 Sept. Partly cloudy
Partly cloudy
 23° /15° 2.8 mm 5
9 Sept. Sunny
Sunny
 23° /13° 0.1 mm 6
10 Sept. Partly cloudy
Partly cloudy
 23° /13° 0.9 mm 6
11 Sept. Cloudy
Cloudy
 20° /11° 0.4 mm 5
12 Sept. Overcast
Overcast
 16° /10° 0.5 mm 4
13 Sept. Overcast
Overcast
 17° /10° 0.4 mm 4
14 Sept. Overcast
Overcast
 18° /9° 1.2 mm 5
15 Sept. Patchy rain possible
Patchy rain possible
 18° /14° 0.8 mm 0.8
16 Sept. Cloudy
Cloudy
 18° /12° 0 mm 0.7
17 Sept. Moderate rain
Moderate rain
 17° /11° 10.4 mm 0.1
18 Sept. Partly cloudy
Partly cloudy
 24° /16° 0 mm 0.9
19 Sept. Partly cloudy
Partly cloudy
 25° /15° 0 mm 0.7
20 Sept. Patchy rain possible
Patchy rain possible
 21° /16° 0.1 mm 4
21 Sept. Patchy rain possible
Patchy rain possible
 17° /13° 0.3 mm 3
22 Sept. Patchy rain possible
Patchy rain possible
 17° /12° 1.4 mm 3
23 Sept. Patchy rain possible
Patchy rain possible
 18° /10° 0.8 mm 3
24 Sept. Patchy rain possible
Patchy rain possible
 15° /10° 0.8 mm 3
25 Sept. Patchy rain possible
Patchy rain possible
 15° /11° 0.2 mm 3
26 Sept. Patchy rain possible
Patchy rain possible
 17° /10° 0.3 mm 3
27 Sept. Sunny
Sunny
 16° /8° 0 mm 4
28 Sept. Sunny
Sunny
 17° /8° 0 mm 4
29 Sept. Partly cloudy
Partly cloudy
 16° /9° 3.9 mm 4
30 Sept. Overcast
Overcast
 16° /10° 12.3 mm 4
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 20° 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 62.1 mm spread over approximately 15 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 21 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 💧

UV exposure in Cambridge during September

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

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Get accurate weather forecasts for Cambridge, located at latitude 52.2 and longitude 0.117. Stay updated with localized weather information tailored for Cambridge.

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