September · United Kingdom
Best time to visit Bath in September Weather, crowds & prices
Weather in Bath in September
Average temperature 15°C, 114 mm of rain, about 22 days with 6+ hours of sunshine and 82% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
7.5/10
Ranked #5 of 12 months
- Avg temp
- 15°C
- Rainfall
- 114 mm
- Humidity
- 82%
- Days with 6h+ sun
- 22
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Bath scores 7.5/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 15°C, 114 mm of rain, and roughly 22 days with 6+ hours of sunshine this month.
Bath is an 18th-century spa town built around Roman baths, with the Royal Crescent, the Circus, and Pulteney Bridge spanning the Avon.
September in Bath — reliably good (5th best month)
Temperatures hover around 15°C (59°F) — the kind of month where neither heat nor cold forces the schedule.
114 mm of rain makes this a wet month here, though with about 22 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.5/10 on the same scale — 5th of 12 months, versus 9.1/10 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 Bath — 1.6 points higher on the same scale.
Frequently asked
- What is the weather like in Bath in September?
- In September, Bath averages 15°C, 114 mm of rain, and about 22 days with 6+ hours of sunshine. Its climate-comfort score is 7.5/10.
- Is September a good time to visit Bath?
- September earns a 7.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Bath in September?
- Expect about 114 mm of rain in September. Average humidity is 82% and there are about 22 days with 6+ hours of sunshine.
Curated in Bath
Tickets & experiences
Things to do in Bath
Bath, United Kingdom. Live activities and tours from GetYourGuide, matched to this destination.