Cheltenham Weather in September
September in Cheltenham brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 10°C (50°F). Quite a bit of rainfall is expected, around 63 mm (2.5 in), so pack an umbrella.
Rainfall in Cheltenham in September
Based on our climate data of the past 30 years, about 13 days of rain are anticipated, with 63 mm (2.5 in) on average. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Cheltenham in September
Cheltenham in September gets highs of 19°C (66°F) during the day and drops to 10°C (50°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to around 10°C (50°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Cheltenham in September
With about 141 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.For Cheltenham itself, June, July and August generally stand out with 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 Cheltenham's climate page.
Cheltenham Temperature in September
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cheltenham 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 11°C (52°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 Cheltenham in September
Browse day-by-day weather records for Cheltenham spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cheltenham historical weather extremes in September
Based on 49 years of weather observations in Cheltenham between 1976 and 2025, these are the recorded extremes.
- Cheltenham recorded its highest September temperature of 31°C (88°F) on September 7, 2023.
- The lowest daytime temperature in September was 10°C (50°F), recorded on September 23, 2012.
- The coldest night in September in Cheltenham was on September 28, 2020, with a minimum of 2°C (36°F).
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 Cheltenham in September
For Cheltenham in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Cheltenham 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 Cheltenham's climate page.
See the full Cheltenham climate overview or explore weather in the United Kingdom.