Weather in September
September ushers in the fall season in Old Saybrook Center with significantly cooler temperatures. The sea temperature sees a downward trend settling at 62.8°F (17.1°C), echoing the shift from summer. September acts as a relief after the hot August and paves the way for the chillier October. The shorter days and cool evenings make evident the steady approach of fall. This moderate weather marks the beginning of the cozy season in the city.
Note: The majority find it unenjoyable to swim in 68.2°F (20.1°C). Breathing becomes tougher as the water temperature descends under 69.8°F (21°C).
On the first day of the month, sunrise is at 6:16 am and sunset at 7:21 pm. On the last day of September, sunrise is at 6:45 am and sunset at 6:32 pm EDT.
Ocean temperature
In Old Saybrook Center, the average seawater temperature in September is 68.2°F (20.1°C).Note: The majority find it unenjoyable to swim in 68.2°F (20.1°C). Breathing becomes tougher as the water temperature descends under 69.8°F (21°C).
Daylight
In September, the average length of the day in Old Saybrook Center is 12h and 28min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:21 pm. On the last day of September, sunrise is at 6:45 am and sunset at 6:32 pm EDT.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the ocean temperature in September?
In Old Saybrook Center, the average seawater temperature in September is 68.2°F (20.1°C). Swimming in 68.2°F (20.1°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).
How many hours of daylight does Old Saybrook Center have in September?
The average day length in September is 12h and 28min.
When is the sunrise / sunset in September?
In September, on the first day of the month, sunrise is at 6:16 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:32 pm EDT.
Average sea temperature in September
Old Saybrook Center, CT
- Average sea temperature in September: 68.2°F
The best month for swimming (with the highest average sea temperature) is August (72.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).
Average daylight in September
Old Saybrook Center, CT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
Old Saybrook Center, Connecticut, USA
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