September · United Kingdom
Best time to visit Brighton in September Weather, crowds & prices
Weather in Brighton in September
Average temperature 16°C, 108 mm of rain, about 23 days with 6+ hours of sunshine and 80% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
5.3/10
Ranked #6 of 12 months
- Avg temp
- 16°C
- Rainfall
- 108 mm
- Humidity
- 80%
- Days with 6h+ sun
- 23
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Brighton scores 5.3/10 for beach and coastal travel - an above-average month (#6 of 12). Expect around 16°C, 108 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.
Brighton mixes a pebble beach and pier with the Royal Pavilion and a lively cultural scene.
September in Brighton — middling scores, decent value
Temperatures hover around 16°C (61°F) — the kind of month where neither heat nor cold forces the schedule.
108 mm of rain makes this a wet month here, though with about 23 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 5.3/10 on the same scale — 6th of 12 months, versus 6.9/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Budget for mid-season pricing, and crowds are moderate.
If your dates are flexible, August is materially better in Brighton — 1.6 points higher on the same scale.
Frequently asked
- What is the weather like in Brighton in September?
- In September, Brighton averages 16°C, 108 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 5.3/10.
- Is September a good time to visit Brighton?
- September earns a 5.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Brighton in September?
- Expect about 108 mm of rain in September. Average humidity is 80% and there are about 23 days with 6+ hours of sunshine.
Curated in Brighton
Tickets & experiences
Things to do in Brighton
Brighton, United Kingdom. Live activities and tours from GetYourGuide, matched to this destination.