Chepstow Weather in September

What's the weather like in Chepstow (Wales) in September 2024?

The climate in Chepstow during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Chepstow and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 18°C (64°F), whilst at night 10°C (50°F) is normal.

Chepstow weather averages (imperial / metric)
Daytime temperature 18°C 64.4°F
Nightly temperature 9.8°C 49.6°F
Average temperature 13.9°C 57°F
Daily sunshine 5 hrs
Avg rainfall 78 mm 3.1 ins
Rainy days 14 days
Sea temperature 16.2°C 61.2°F
Humidity 86%
Windspeed 14.4kph 9 mph

On average September is the 5th wettest month of the year in Chepstow with around 78mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.

On the flip side this corresponds to an average of 5 hours of sunshine per day.

September temperatures in Chepstow

Chepstow average temperature in September

September rainfall

Chepstow average rain in September

September hourly sunshine

Chepstow average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Chepstow in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Chepstow weather stats

Chepstow weather statistics
Hottest month: July 20.8°C 69.4°F
Driest month: July 56mm 2.2ins
Sunniest month: June 7.2hrs
Coldest month: January 7°C 44.6°F
Wettest month: December 97mm 3.8ins
Map showing location of Chepstow (51.64087, -2.67683) Chepstow map pin © Google

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