Rochester Weather in September

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

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

September is in the fall / autumn in Rochester and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 8°C (47°F) is normal.

Rochester weather averages (imperial / metric)
Daytime temperature 22.4°C 72.3°F
Nightly temperature 8.4°C 47.1°F
Average temperature 15.4°C 59.7°F
Daily sunshine 8 hrs
Avg rainfall 82 mm 3.2 ins
Rainy days 9 days
Sea temperature 15.5°C 59.8°F
Humidity 76%
Windspeed 12.6kph 8 mph

On average September is the 4th driest month of the year in Rochester with around 82mm 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 8 hours of sunshine per day.

September temperatures in Rochester

Rochester average temperature in September

September rainfall

Rochester average rain in September

September hourly sunshine

Rochester 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 Rochester in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Rochester weather stats

Rochester weather statistics
Hottest month: July 27.5°C 81.5°F
Driest month: January 75mm 3ins
Sunniest month: July 10hrs
Coldest month: January -0.1°C 31.8°F
Wettest month: November 121mm 4.8ins
Map showing location of Rochester (43.30453, -70.97562) Rochester map pin © Google

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