SeasonMapCambridge weather in September
United Kingdom
September in Cambridge: nice, a little rain, with clean air — an excellent time to visit.
#4 of 12 months in Cambridge · #511 of 1383 destinations to visit in September · comfort 84/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Cambridge in September
Other months in Cambridge
Cambridge's forum calls August generally as good as English weather gets, though a bad year can turn genuinely wet. Regulars describe a mix of hot clear days and cool, cloudy ones with sudden rain, and specifically flag an easterly wind as capable of feeling bitterly cold even in high summer — summery clothes plus a rain layer covers it.
Add your own note from Cambridge's card on the map.
Cambridge climate normals — September
| Daytime high | 20°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 11°C / 52°F | |
| Feels like (high) | 19°C / 66°F | |
| Rainfall | 50 mm / 2 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 11°C / 52°F | |
| Sunshine | 7.7 h/day | |
| Daylight | 12.6 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 41 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Cambridge in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Cambridge's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherCambridge's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Cambridge in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Punting season
15 Mar – 31 Oct · usuallySummer season opensThe chauffeured punts and the touts on Magdalene Bridge appear with the first warm weekend and are gone by November. The Backs from the water is the one view the colleges cannot charge you for.
Nearby, and something's on
Within 300 km of Cambridge — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Cambridge?
Cambridge in September — FAQ
- Is September a good time to visit Cambridge?
- September in Cambridge: nice, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Cambridge on SeasonMap's comfort score (84/100).
- What is the weather like in Cambridge in September?
- In September, Cambridge averages a daily high of 20.3°C and a low of 11.2°C, with about 50.3 mm of rain over roughly 8 rainy days.
- What is the air quality in Cambridge in September?
- Cambridge has a mean US Air Quality Index of about 41 in September.
Other months in Cambridge
Compare Cambridge in September
Warmer or cooler than Cambridge in September
Similar destinations in Northern Europe — September
Within 300 km: Bath's Jane Austen Festival on 11–20 Sep, and York's York Food and Drink Festival around 15–30 Sep.