Alexandria Bay Weather in September

What's the weather like in Alexandria Bay (New York) in September 2024?

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

September is in the fall / autumn in Alexandria Bay and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 20°C (69°F), whilst at night 10°C (51°F) is normal.

Alexandria Bay weather averages (imperial / metric)
Daytime temperature 20.4°C 68.7°F
Nightly temperature 10.4°C 50.7°F
Average temperature 15.4°C 59.7°F
Daily sunshine 6.5 hrs
Avg rainfall 91 mm 3.6 ins
Rainy days 11 days
Sea temperature 17.6°C 63.7°F
Humidity 76%
Windspeed 13.3kph 8 mph

On average September is the 2nd wettest month of the year in Alexandria Bay with around 91mm 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 6.5 hours of sunshine per day.

September temperatures in Alexandria Bay

Alexandria Bay average temperature in September

September rainfall

Alexandria Bay average rain in September

September hourly sunshine

Alexandria Bay 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 Alexandria Bay in September 2024.