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Sea Temperature in Mystic in September
© Gaby 607
Complete information on the sea temperature range in the Atlantic Ocean in Mystic in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Mystic. 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 Mystic in September
17°C
MINIMUN
20.5°C
AVERAGE
24°C
MAXIMUM
Historical Data of Water Temperature in September in Mystic
Water Temperature Chart for Atlantic Ocean in Mystic in September
Sea Temperature Table in Mystic in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 23°C | 22°C | 20°C | 21.3°C |
| Sep 2 | 21°C | 21°C | 19°C | 20.3°C |
| Sep 3 | 21°C | 21°C | 19°C | 20.5°C |
| Sep 4 | 21°C | 21°C | 19°C | 20.5°C |
| Sep 5 | 21°C | 22°C | 19°C | 20.8°C |
| Sep 6 | 20°C | 21°C | 20°C | 20.3°C |
| Sep 7 | 21°C | 22°C | 19°C | 20.5°C |
| Sep 8 | 22°C | 22°C | 19°C | 20.8°C |
| Sep 9 | 21°C | 22°C | 19°C | 20.5°C |
| Sep 10 | 22°C | 21°C | 19°C | 20.5°C |
| Sep 11 | 21°C | 21°C | 19°C | 20.0°C |
| Sep 12 | 22°C | 21°C | 19°C | 20.5°C |
| Sep 13 | 22°C | 21°C | 19°C | 20.3°C |
| Sep 14 | 21°C | 21°C | 19°C | 20.3°C |
| Sep 15 | 21°C | 21°C | 19°C | 20.5°C |
| Sep 16 | 21°C | 21°C | 19°C | 20.5°C |
| Sep 17 | 21°C | 20°C | 19°C | 20.0°C |
| Sep 18 | 22°C | 20°C | 20°C | 20.3°C |
| Sep 19 | 21°C | 20°C | 20°C | 20.0°C |
| Sep 20 | 21°C | 19°C | 20°C | 19.8°C |
| Sep 21 | 21°C | 19°C | 20°C | 20.0°C |
| Sep 22 | 21°C | 18°C | 19°C | 19.5°C |
| Sep 23 | 22°C | 18°C | 19°C | 19.5°C |
| Sep 24 | 22°C | 19°C | 19°C | 19.8°C |
| Sep 25 | 22°C | 18°C | 19°C | 19.3°C |
| Sep 26 | 22°C | 19°C | 19°C | 19.5°C |
| Sep 27 | 20°C | 18°C | 20°C | 19.0°C |
| Sep 28 | 20°C | 19°C | 20°C | 19.3°C |
| Sep 29 | 20°C | 19°C | 19°C | 19.3°C |
Mystic 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
Mystic lies within the Connecticut in United States. The average daytime temperature in Mystic 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 Mystic 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 Mystic 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 68°F (20°C) by mid-September and reaching 68°F (20°C) in the last ten days. Overall, the average sea temperature in Mystic for September is 68°F (20°C). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.
Sea Temperature in September in Nearby Cities
Frequently Asked Questions About Water Temperatures in September in Mystic
What is the sea temperature in Mystic in September?
The water temperature in the Atlantic Ocean in Mystic in September ranges from 66°F to 70°F (19°C to 21°C).
Is it possible to swim in the Atlantic Ocean in Mystic in September?
The average sea temperature in Mystic in September is 68°F (20°C), and the air temperature is 75°F (24°C), so very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.