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Sea Temperature in Jamestown in September
© Kyra Kelvin
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
64°F
MINIMUN
73°F
AVERAGE
81°F
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 | 68°C | 68°C | 81°C | 71°C |
| Sep 2 | 68°C | 68°C | 77°C | 70°C |
| Sep 3 | 72°C | 68°C | 81°C | 72°C |
| Sep 4 | 70°C | 68°C | 77°C | 70°C |
| Sep 5 | 72°C | 68°C | 77°C | 71°C |
| Sep 6 | 70°C | 68°C | 81°C | 71°C |
| Sep 7 | 70°C | 68°C | 77°C | 71°C |
| Sep 8 | 68°C | 68°C | 77°C | 70°C |
| Sep 9 | 68°C | 68°C | 79°C | 71°C |
| Sep 10 | 70°C | 68°C | 77°C | 70°C |
| Sep 11 | 68°C | 68°C | 77°C | 70°C |
| Sep 12 | 68°C | 68°C | 79°C | 70°C |
| Sep 13 | 68°C | 68°C | 77°C | 70°C |
| Sep 14 | 68°C | 68°C | 79°C | 70°C |
| Sep 15 | 70°C | 68°C | 81°C | 71°C |
| Sep 16 | 68°C | 68°C | 79°C | 70°C |
| Sep 17 | 70°C | 68°C | 79°C | 71°C |
| Sep 18 | 70°C | 68°C | 77°C | 70°C |
| Sep 19 | 72°C | 68°C | 79°C | 71°C |
| Sep 20 | 72°C | 68°C | 81°C | 72°C |
| Sep 21 | 70°C | 68°C | 79°C | 71°C |
| Sep 22 | 70°C | 68°C | 77°C | 70°C |
| Sep 23 | 70°C | 68°C | 77°C | 70°C |
| Sep 24 | 70°C | 68°C | 79°C | 71°C |
| Sep 25 | 70°C | 68°C | 81°C | 71°C |
| Sep 26 | 70°C | 68°C | 81°C | 71°C |
| Sep 27 | 68°C | 68°C | 79°C | 70°C |
| Sep 28 | 70°C | 68°C | 77°C | 70°C |
| Sep 29 | 70°C | 68°C | 77°C | 70°C |
Jamestown Climate and Swimming Opportunities in September
72°F
Average Day Air Temperature
52°F
Average Night Air Temperature
0 in
Precipitation Amount per Month
1 days
Number of Rainy Days
12 hrs
Daylight
per Day
6 hrs
Sunshine
per Day
10 mph
Average Wind Speed
71%
Average
humidity
Jamestown lies within in Saint Helena. The average daytime temperature in Jamestown in September is 22°C (72°F), while the nighttime average is 11°C (52°F). There is typically only one rainy day during the month, with a total precipitation of 0 mm (0.0 inches). The daylight duration in September in Jamestown is 12 hours, with an average of 6 hours of sunshine per day. The average wind speed in September is 16 km/h (10 mph), and the humidity level is around 71%.
The water temperature in Jamestown in September ranges from 21°C to 22°C (70°F to 72°F). At the beginning of the month, the average temperature is around 22°C (72°F), shifting to 21°C (70°F) by mid-September and reaching 22°C (72°F) in the last ten days. Overall, the average sea temperature in Jamestown for September is 22°C (72°F). Optimal swimming conditions. The water is warm, and the air is comfortable for drying off and sunbathing.
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 21°C to 22°C (70°F to 72°F).
Is it possible to swim in the Atlantic Ocean in Jamestown in September?
The average sea temperature in Jamestown in September is 22°C (72°F), and the air temperature is 22°C (72°F), so optimal swimming conditions. The water is warm, and the air is comfortable for drying off and sunbathing.