Monmouth Weather in September

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

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

September is in the fall / autumn in Monmouth and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 18°C (64°F), whilst at night 9°C (49°F) is normal.

Monmouth weather averages (imperial / metric)
Daytime temperature 17.7°C 63.8°F
Nightly temperature 9.4°C 48.8°F
Average temperature 13.5°C 56.3°F
Daily sunshine 4.9 hrs
Avg rainfall 78 mm 3.1 ins
Rainy days 14 days
Sea temperature 16.2°C 61.2°F
Humidity 87%
Windspeed 14.8kph 9 mph

On average September is the 5th wettest month of the year in Monmouth 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 4.9 hours of sunshine per day.

September temperatures in Monmouth

Monmouth average temperature in September

September rainfall

Monmouth average rain in September

September hourly sunshine

Monmouth 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 Monmouth in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Monmouth weather stats

Monmouth weather statistics
Hottest month: July 20.5°C 68.9°F
Driest month: July 48mm 1.9ins
Sunniest month: June 7.1hrs
Coldest month: January 6.5°C 43.7°F
Wettest month: December 98mm 3.9ins
Map showing location of Monmouth (51.81265, -2.71363) Monmouth map pin © Google

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