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Sea Temperature in Jamestown in September
Complete information on the sea temperature range in the Atlantic Ocean in Jamestown in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Jamestown. 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 Jamestown in September
16°C
MINIMUN
20°C
AVERAGE
24°C
MAXIMUM
Historical Data of Water Temperature in September in Jamestown
Water Temperature Chart for Atlantic Ocean in Jamestown in September
Sea Temperature Table in Jamestown in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 23°C | 21°C | 20°C | 21.0°C |
| Sep 2 | 21°C | 21°C | 19°C | 20.3°C |
| Sep 3 | 22°C | 22°C | 19°C | 21.0°C |
| Sep 4 | 22°C | 21°C | 19°C | 20.8°C |
| Sep 5 | 21°C | 22°C | 19°C | 20.8°C |
| Sep 6 | 21°C | 22°C | 19°C | 20.5°C |
| Sep 7 | 21°C | 21°C | 19°C | 20.3°C |
| Sep 8 | 22°C | 22°C | 19°C | 20.5°C |
| Sep 9 | 21°C | 22°C | 19°C | 20.5°C |
| Sep 10 | 21°C | 22°C | 19°C | 20.5°C |
| Sep 11 | 21°C | 21°C | 19°C | 20.3°C |
| Sep 12 | 22°C | 22°C | 19°C | 20.8°C |
| Sep 13 | 22°C | 22°C | 19°C | 20.8°C |
| Sep 14 | 22°C | 21°C | 19°C | 20.5°C |
| Sep 15 | 21°C | 21°C | 20°C | 20.5°C |
| Sep 16 | 21°C | 20°C | 19°C | 20.0°C |
| Sep 17 | 21°C | 21°C | 19°C | 20.0°C |
| Sep 18 | 21°C | 20°C | 20°C | 20.0°C |
| Sep 19 | 21°C | 21°C | 20°C | 20.5°C |
| Sep 20 | 21°C | 19°C | 20°C | 19.8°C |
| Sep 21 | 22°C | 19°C | 20°C | 20.0°C |
| Sep 22 | 22°C | 17°C | 19°C | 19.3°C |
| Sep 23 | 22°C | 17°C | 18°C | 19.0°C |
| Sep 24 | 21°C | 18°C | 18°C | 19.0°C |
| Sep 25 | 21°C | 18°C | 19°C | 19.0°C |
| Sep 26 | 21°C | 18°C | 20°C | 19.0°C |
| Sep 27 | 21°C | 18°C | 19°C | 19.0°C |
| Sep 28 | 21°C | 18°C | 19°C | 18.8°C |
| Sep 29 | 21°C | 19°C | 19°C | 19.3°C |
Jamestown Climate and Swimming Opportunities in September
20°C
Average Day Air Temperature
10°C
Average Night Air Temperature
55 mm
Precipitation Amount per Month
9 days
Number of Rainy Days
12 hrs
Daylight
per Day
8 hrs
Sunshine
per Day
14 km/h
Average Wind Speed
75%
Average
humidity
Jamestown lies within the Rhode Island in United States. The average daytime temperature in Jamestown in September is 68°F (20°C), while the nighttime average is 50°F (10°C). There are typically nine rainy days during the month, with a total precipitation of 2.1 inches (55 mm). The daylight duration in September in Jamestown is 12 hours, with an average of 8 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 Jamestown in September ranges from 64°F to 70°F (18°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 66°F (19°C) in the last ten days. Overall, the average sea temperature in Jamestown for September is 68°F (20°C). Ideal conditions for a refreshing swim, though some may still find it a bit cool.
Sea Temperature in September in Nearby Cities
Frequently Asked Questions About Water Temperatures in September in Jamestown
What is the sea temperature in Jamestown in September?
The water temperature in the Atlantic Ocean in Jamestown in September ranges from 64°F to 70°F (18°C to 21°C).
Is it possible to swim in the Atlantic Ocean in Jamestown in September?
The average sea temperature in Jamestown in September is 68°F (20°C), and the air temperature is 68°F (20°C), so ideal conditions for a refreshing swim, though some may still find it a bit cool.