September · United Kingdom
Best time to visit Cambridge in September Weather, crowds & prices
Weather in Cambridge in September
Average temperature 16°C, 68 mm of rain, about 23 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.7/10
Ranked #4 of 12 months
- Avg temp
- 16°C
- Rainfall
- 68 mm
- Humidity
- 76%
- Days with 6h+ sun
- 23
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Cambridge scores 8.7/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 16°C, 68 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.
Cambridge compresses college courts, the Backs, and the Cam's punting route into a walkable few square miles.
September is one of the strongest months in Cambridge (4th)
September averages 16°C (61°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 68 mm, so plan one flexible day in three; you still get about 23 days with 6+ hours of sunshine and 12.6 hours of daylight.
A 8.7/10 puts this among the year's best months in Cambridge (4th of 12); only August scores higher, at 9.6/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Cambridge in September?
- In September, Cambridge averages 16°C, 68 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 8.7/10.
- Is September a good time to visit Cambridge?
- September earns a 8.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cambridge in September?
- Expect about 68 mm of rain in September. Average humidity is 76% and there are about 23 days with 6+ hours of sunshine.
Curated in Cambridge
Tickets & experiences
Things to do in Cambridge
Cambridge, United Kingdom. Live activities and tours from GetYourGuide, matched to this destination.