Ossipee Weather in September

What's the weather like in Ossipee (New Hampshire) in September 2025?

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

September is in the fall / autumn in Ossipee and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 8°C (46°F) is normal.

Ossipee weather averages (imperial / metric)
Daytime temperature 21.3°C 70.3°F
Nightly temperature 7.9°C 46.2°F
Average temperature 14.6°C 58.3°F
Daily sunshine 7.5 hrs
Avg rainfall 78 mm 3.1 ins
Rainy days 9 days
Sea temperature 16°C 60.8°F
Humidity 77%
Windspeed 11.5kph 7 mph

On average September is the 4th driest month of the year in Ossipee with around 78mm 3.1 inches of rain making it a reasonably dry 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 7.5 hours of sunshine per day.

September temperatures in Ossipee

Ossipee average temperature in September

September rainfall

Ossipee average rain in September

September hourly sunshine

Ossipee 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 Ossipee in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Ossipee weather stats

Ossipee weather statistics
Hottest month: July 26.6°C 79.9°F
Driest month: February 69mm 2.7ins
Sunniest month: July 9.6hrs
Coldest month: January -1.9°C 28.6°F
Wettest month: November 111mm 4.4ins
Map showing location of Ossipee (43.68536, -71.11673) Ossipee map pin © Google

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