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Cambridge Weather in September
In Cambridge, September brings pleasant daytime temperatures around 20°C (68°F), with nights cooling to 11°C (52°F). Some rainfall is to be expected.
Rainfall in Cambridge in September
Typically, you can expect about 12 days of rain this month, with 57 mm (2.2 in) on average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Cambridge in September
September tends to be one of the excellent months in Cambridge, with 20°C (68°F) in the afternoon and 11°C (52°F) overnight. Conditions are often most pleasant around the middle of the day. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Cambridge in September
The area enjoys a moderate level of sunlight, with around 141 hours. It's a good balance between sunny and cloudy days.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Cambridge Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
20°C (68°F)
Chance of Rain
39%
Precipitation
57 mm (2.2 in)
Rainy days
12 days
Sunshine
141 hours
Percentage Sunshine
Cambridge Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cambridge - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cambridge typically stay consistent throughout September, with daily highs averaging around 20°C (68°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 12°C (54°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Cambridge in September
Browse day-by-day weather records for Cambridge spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cambridge historical weather extremes in September
Our historical data for Cambridge spans 1976 to 2026, revealing these weather extremes.
- On September 9, 2023, temperatures climbed to 31°C (88°F), marking the warmest September day on record.
- The lowest daytime temperature in September was 9°C (48°F), recorded on September 27, 1993.
- Nighttime temperatures dropped to 2°C (36°F) on September 29, 2018, marking the coldest September night on record.
Best Places in the United Kingdom in September
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Cambridge in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Cambridge in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling10/10 -
Walking10/10 -
Camping8/10 -
Outdoor sports10/10
Cambridge 3-Day Forecast
More climate data for Cambridge
See the full Cambridge climate overview or explore weather in the United Kingdom.
Popular in September
Where to go in September - average daytime high across popular destinations.
London
20°C (68°F) Bath19°C (66°F) Torquay19°C (66°F) Manchester
18°C (64°F) York19°C (66°F) Edinburgh17°C (63°F) Blackpool17°C (63°F) Glasgow17°C (63°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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