September
Weather in September
Sea temperature
In Greater Napanee, Canada, in September, the average water temperature is 19.8°C (67.6°F).Note: Swimming is not an enjoyable activity for the majority when the water is at 19.8°C (67.6°F). The difficulty of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Greater Napanee, the average length of the day in September is 12h and 30min.On the first day of September, 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.
Updated: Aug 29, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the sea temperature in September in Greater Napanee?
In September, the average sea temperature is 19.8°C (67.6°F). For most, swimming in 19.8°C (67.6°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
What is the average length of the day in September?
In Greater Napanee, the average day length in September is 12h and 30min.
When is the sunrise / sunset in September?
On the first day of September, 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).
