Weather in September
Sea temperature
In September, the average sea temperature in Greater Napanee, Canada, is 19.8°C (67.6°F).Note: Swimming in 19.8°C (67.6°F) is not an enjoyable experience for most. Breathing becomes progressively more challenging as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Greater Napanee, Canada, the average length of the day in September is 12h and 30min.On the first day of September in Greater Napanee, sunrise is at 6:31 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:49 pm EDT.
Frequently asked questions
What is the sea temperature in September in Greater Napanee?
In Greater Napanee, the average seawater temperature in September is 19.8°C (67.6°F). For swimming, a surface water temperature of 19.8°C (67.6°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
What is the average length of the day in September in Greater Napanee?
In Greater Napanee, the average day length in September is 12h and 30min.
What time are sunrise and sunset in September in Greater Napanee?
On the first day of September in Greater Napanee, sunrise is at 6:31 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:49 pm EDT.
Average sea temperature in September
Greater Napanee, Canada
- Average sea temperature in September: 19.8°C
The best month for swimming (with the highest average sea temperature) is August (22.3°C).
The coldest month (with the lowest average sea temperature) is March (1.9°C).
Average daylight in September
Greater Napanee, Canada
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
Greater Napanee, Canada
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