Bath Weather in September
In Bath, September brings pleasant daytime temperatures around 19°C (66°F), with nights cooling to 11°C (52°F). Expect quite a bit of rainfall this month.
Rainfall in Bath in September
Climate statistics over the past 30 years suggest around 13 days of rain, with 64 mm (2.5 in) average for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Bath in September
September in Bath sees highs of 19°C (66°F) and lows of 11°C (52°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. 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 Bath in September
You can expect a moderate amount of sunlight, with approximately 151 hours. This means a pleasant mix of sun and overcast.If you prefer enjoying temperate temperatures and rain-free days, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Bath's climate page.
Bath Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
19°C (66°F)
Chance of Rain
44%
Precipitation
64 mm (2.5 in)
Rainy days
13 days
Sunshine
151 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Bath typically stay consistent throughout September, with daily highs averaging around 19°C (66°F). Nights are cool, with lows typically ranging from 9°C (48°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 for Bath in September
Browse day-by-day weather records for Bath spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bath historical weather extremes in September
According to our 49 years of weather records for Bath, the following extremes were recorded between 1976 and 2025.
- The warmest day in September was on September 9, 2023, with a maximum of 30°C (86°F).
- Bath experienced its chilliest September day on September 15, 1986, reaching only 9°C (48°F).
- The lowest overnight temperature recorded in September was 2°C (36°F) (September 24, 2003).
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 →
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What to Wear in Bath in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Bath in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Bath's climate page.
See the full Bath climate overview or explore weather in the United Kingdom.
