Manchester Weather in September

What's the weather like in Manchester (New Hampshire) in September 2024?

The climate in Manchester during September can be summarized as mild and a little damp.

September is in the fall / autumn in Manchester and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 10°C (49°F) is normal.

Manchester weather averages (imperial / metric)
Daytime temperature 22.6°C 72.6°F
Nightly temperature 9.5°C 49°F
Average temperature 16°C 60.8°F
Daily sunshine 7.9 hrs
Avg rainfall 81 mm 3.2 ins
Rainy days 9 days
Sea temperature 17.8°C 64.1°F
Humidity 75%
Windspeed 12.2kph 8 mph

On average September is the 3rd driest month of the year in Manchester with around 81mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.9 hours of sunshine per day.

September temperatures in Manchester

Manchester average temperature in September

September rainfall

Manchester average rain in September

September hourly sunshine

Manchester 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 Manchester in September 2024.