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Sea Temperature in Charlestown in September
Complete information on the sea temperature range in the Atlantic Ocean in Charlestown in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Charlestown. 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 Charlestown in September
66°F
MINIMUN
75°F
AVERAGE
84°F
MAXIMUM
Historical Data of Water Temperature in September in Charlestown
Water Temperature Chart for Atlantic Ocean in Charlestown in September
Sea Temperature Table in Charlestown in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 81°C | 81°C | 73°C | 78°C |
| Sep 2 | 81°C | 81°C | 72°C | 78°C |
| Sep 3 | 79°C | 82°C | 72°C | 78°C |
| Sep 4 | 79°C | 81°C | 72°C | 77°C |
| Sep 5 | 79°C | 81°C | 72°C | 77°C |
| Sep 6 | 79°C | 81°C | 73°C | 77°C |
| Sep 7 | 79°C | 81°C | 73°C | 77°C |
| Sep 8 | 77°C | 81°C | 72°C | 76°C |
| Sep 9 | 75°C | 81°C | 72°C | 76°C |
| Sep 10 | 75°C | 81°C | 72°C | 75°C |
| Sep 11 | 75°C | 81°C | 72°C | 75°C |
| Sep 12 | 75°C | 81°C | 72°C | 75°C |
| Sep 13 | 75°C | 81°C | 72°C | 76°C |
| Sep 14 | 75°C | 79°C | 72°C | 75°C |
| Sep 15 | 75°C | 81°C | 72°C | 75°C |
| Sep 16 | 75°C | 79°C | 72°C | 75°C |
| Sep 17 | 77°C | 77°C | 72°C | 75°C |
| Sep 18 | 77°C | 77°C | 72°C | 75°C |
| Sep 19 | 77°C | 75°C | 72°C | 74°C |
| Sep 20 | 75°C | 73°C | 72°C | 73°C |
| Sep 21 | 77°C | 73°C | 72°C | 74°C |
| Sep 22 | 77°C | 73°C | 72°C | 74°C |
| Sep 23 | 77°C | 72°C | 72°C | 73°C |
| Sep 24 | 73°C | 73°C | 72°C | 73°C |
| Sep 25 | 73°C | 72°C | 73°C | 73°C |
| Sep 26 | 72°C | 72°C | 73°C | 73°C |
| Sep 27 | 73°C | 73°C | 73°C | 73°C |
| Sep 28 | 73°C | 73°C | 73°C | 73°C |
| Sep 29 | 72°C | 73°C | 72°C | 72°C |
Charlestown Climate and Swimming Opportunities in September
77°F
Average Day Air Temperature
57°F
Average Night Air Temperature
4 in
Precipitation Amount per Month
9 days
Number of Rainy Days
12 hrs
Daylight
per Day
7 hrs
Sunshine
per Day
6 mph
Average Wind Speed
73%
Average
humidity
Charlestown lies within the Maryland in United States. The average daytime temperature in Charlestown in September is 78°F (25°C), while the nighttime average is 57°F (14°C). There are typically nine rainy days during the month, with a total precipitation of 4.2 inches (105 mm). The daylight duration in September in Charlestown is 12 hours, with an average of 7 hours of sunshine per day. The average wind speed in September is 6 mph (9 km/h), and the humidity level is around 73%.
The water temperature in Charlestown in September ranges from 72°F to 79°F (22°C to 26°C). At the beginning of the month, the average temperature is around 77°F (25°C), shifting to 75°F (24°C) by mid-September and reaching 73°F (23°C) in the last ten days. Overall, the average sea temperature in Charlestown for September is 75°F (24°C). Perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.
Sea Temperature in September in Nearby Cities
Frequently Asked Questions About Water Temperatures in September in Charlestown
What is the sea temperature in Charlestown in September?
The water temperature in the Atlantic Ocean in Charlestown in September ranges from 72°F to 79°F (22°C to 26°C).
Is it possible to swim in the Atlantic Ocean in Charlestown in September?
The average sea temperature in Charlestown in September is 75°F (24°C), and the air temperature is 78°F (25°C), so perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.