Greater Napanee Weather in September

What's the weather like in Greater Napanee (Ontario) in September 2023?

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

September is in the fall / autumn in Greater Napanee and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 20°C (69°F), whilst at night 11°C (51°F) is normal.

Greater Napanee weather averages (imperial / metric)
Daytime temperature 20.3°C 68.5°F
Nightly temperature 10.5°C 50.9°F
Average temperature 15.4°C 59.7°F
Daily sunshine 6.3 hrs
Avg rainfall 85 mm 3.3 ins
Rainy days 10 days
Sea temperature 18.5°C 65.4°F
Humidity 78%
Windspeed 13.7kph 9 mph

On average September is the 3rd wettest month of the year in Greater Napanee with around 85mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.3 hours of sunshine per day.

September temperatures in Greater Napanee

Greater Napanee average temperature in September

September rainfall

Greater Napanee average rain in September

September hourly sunshine

Greater Napanee 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 Greater Napanee in September 2023.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Greater Napanee weather stats

Greater Napanee weather statistics
Hottest month: July 25.6°C 78.1°F
Driest month: July 60mm 2.4ins
Sunniest month: July 9.9hrs
Coldest month: January -3.5°C 25.7°F
Wettest month: December 98mm 3.9ins
Map showing location of Greater Napanee (44.25012, -76.94944) Greater Napanee map pin © Google

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