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Sea Temperature in Old Saybrook in September
Complete information on the sea temperature range in the Atlantic Ocean in Old Saybrook in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Old Saybrook. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Old Saybrook in September
18°C
MINIMUN
21°C
AVERAGE
24°C
MAXIMUM
Historical Data of Water Temperature in September in Old Saybrook
Water Temperature Chart for Atlantic Ocean in Old Saybrook in September
Sea Temperature Table in Old Saybrook in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 22°C | 22°C | 21°C | 21.5°C |
| Sep 2 | 22°C | 22°C | 21°C | 21.8°C |
| Sep 3 | 22°C | 22°C | 19°C | 21.0°C |
| Sep 4 | 21°C | 22°C | 19°C | 21.0°C |
| Sep 5 | 21°C | 21°C | 19°C | 20.8°C |
| Sep 6 | 22°C | 22°C | 19°C | 21.0°C |
| Sep 7 | 22°C | 21°C | 19°C | 20.8°C |
| Sep 8 | 21°C | 22°C | 19°C | 20.8°C |
| Sep 9 | 21°C | 22°C | 19°C | 20.8°C |
| Sep 10 | 22°C | 22°C | 19°C | 20.8°C |
| Sep 11 | 21°C | 21°C | 19°C | 20.3°C |
| Sep 12 | 22°C | 22°C | 19°C | 21.0°C |
| Sep 13 | 22°C | 22°C | 19°C | 20.8°C |
| Sep 14 | 22°C | 22°C | 19°C | 21.0°C |
| Sep 15 | 23°C | 21°C | 20°C | 21.3°C |
| Sep 16 | 23°C | 21°C | 20°C | 21.5°C |
| Sep 17 | 22°C | 20°C | 20°C | 20.5°C |
| Sep 18 | 22°C | 20°C | 21°C | 21.0°C |
| Sep 19 | 22°C | 21°C | 21°C | 21.0°C |
| Sep 20 | 22°C | 19°C | 21°C | 20.8°C |
| Sep 21 | 22°C | 19°C | 21°C | 20.8°C |
| Sep 22 | 22°C | 19°C | 20°C | 20.5°C |
| Sep 23 | 23°C | 18°C | 19°C | 20.0°C |
| Sep 24 | 23°C | 18°C | 19°C | 20.0°C |
| Sep 25 | 22°C | 18°C | 20°C | 19.8°C |
| Sep 26 | 21°C | 19°C | 20°C | 19.8°C |
| Sep 27 | 21°C | 19°C | 20°C | 19.8°C |
| Sep 28 | 22°C | 19°C | 20°C | 20.0°C |
| Sep 29 | 20°C | 19°C | 20°C | 19.8°C |
Old Saybrook Climate and Swimming Opportunities in September
24°C
Average Day Air Temperature
14°C
Average Night Air Temperature
101 mm
Precipitation Amount per Month
9 days
Number of Rainy Days
12 hrs
Daylight
per Day
7 hrs
Sunshine
per Day
14 km/h
Average Wind Speed
75%
Average
humidity
Old Saybrook lies within the Connecticut in United States. The average daytime temperature in Old Saybrook in September is 75°F (24°C), while the nighttime average is 57°F (14°C). There are typically nine rainy days during the month, with a total precipitation of 4.0 inches (101 mm). The daylight duration in September in Old Saybrook is 12 hours, with an average of 7 hours of sunshine per day. The average wind speed in September is 9 mph (14 km/h), and the humidity level is around 75%.
The water temperature in Old Saybrook in September ranges from 66°F to 70°F (19°C to 21°C). At the beginning of the month, the average temperature is around 70°F (21°C), shifting to 70°F (21°C) by mid-September and reaching 68°F (20°C) in the last ten days. Overall, the average sea temperature in Old Saybrook for September is 70°F (21°C). Optimal swimming conditions. The water is warm, and the air is comfortable for drying off and sunbathing.
Sea Temperature in September in Nearby Cities
Frequently Asked Questions About Water Temperatures in September in Old Saybrook
What is the sea temperature in Old Saybrook in September?
The water temperature in the Atlantic Ocean in Old Saybrook in September ranges from 66°F to 70°F (19°C to 21°C).
Is it possible to swim in the Atlantic Ocean in Old Saybrook in September?
The average sea temperature in Old Saybrook in September is 70°F (21°C), and the air temperature is 75°F (24°C), so optimal swimming conditions. The water is warm, and the air is comfortable for drying off and sunbathing.