Manhattan Weather in September

What's the weather like in Manhattan (Kansas) in September 2024?

The climate in Manhattan during September can be summarized as warm and damp.

September is in the fall / autumn in Manhattan and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (80°F), whilst at night 14°C (57°F) is normal.

Manhattan weather averages (imperial / metric)
Daytime temperature 26.9°C 80.3°F
Nightly temperature 14°C 57.1°F
Average temperature 20.4°C 68.7°F
Daily sunshine 8.7 hrs
Avg rainfall 101 mm 4 ins
Rainy days 8 days
Sea temperature 19.8°C 67.6°F
Humidity 70%
Windspeed 16.9kph 11 mph

On average September is the 4th wettest month of the year in Manhattan with around 101mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.7 hours of sunshine per day.

September temperatures in Manhattan

Manhattan average temperature in September

September rainfall

Manhattan average rain in September

September hourly sunshine

Manhattan 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 Manhattan in September 2024.