Johnstown Weather in September

What's the weather like in Johnstown (Pennsylvania) in September 2024?

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

September is in the fall / autumn in Johnstown and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 11°C (51°F) is normal.

Johnstown weather averages (imperial / metric)
Daytime temperature 23.7°C 74.7°F
Nightly temperature 10.7°C 51.3°F
Average temperature 17.2°C 63°F
Daily sunshine 7 hrs
Avg rainfall 92 mm 3.6 ins
Rainy days 11 days
Sea temperature 21.2°C 70.1°F
Humidity 76%
Windspeed 11.5kph 7 mph

On average September is the 5th driest month of the year in Johnstown with around 92mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 7 hours of sunshine per day.

September temperatures in Johnstown

Johnstown average temperature in September

September rainfall

Johnstown average rain in September

September hourly sunshine

Johnstown 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 Johnstown 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

Johnstown weather stats

Johnstown weather statistics
Hottest month: July 28.3°C 82.9°F
Driest month: October 78mm 3.1ins
Sunniest month: July 8.9hrs
Coldest month: January 1°C 33.8°F
Wettest month: July 124mm 4.9ins
Map showing location of Johnstown (40.32674, -78.92197) Johnstown map pin © Google

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