Catskill Weather in September

What's the weather like in Catskill (New York) in September 2025?

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

September is in the fall / autumn in Catskill and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 10°C (50°F) is normal.

Catskill weather averages (imperial / metric)
Daytime temperature 22.5°C 72.5°F
Nightly temperature 9.9°C 49.8°F
Average temperature 16.2°C 61.2°F
Daily sunshine 7.6 hrs
Avg rainfall 87 mm 3.4 ins
Rainy days 9 days
Sea temperature 18.8°C 65.9°F
Humidity 74%
Windspeed 13.7kph 9 mph

On average September is the 6th driest month of the year in Catskill with around 87mm 3.4 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 7.6 hours of sunshine per day.

September temperatures in Catskill

Catskill average temperature in September

September rainfall

Catskill average rain in September

September hourly sunshine

Catskill 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 Catskill 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

Catskill weather stats

Catskill weather statistics
Hottest month: July 27.9°C 82.2°F
Driest month: February 63mm 2.5ins
Sunniest month: July 9.9hrs
Coldest month: January -0.5°C 31.1°F
Wettest month: August 98mm 3.9ins
Map showing location of Catskill (42.21731, -73.86457) Catskill map pin © Google

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