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Sea Temperature in Bethany Beach in September
Complete information on the sea temperature range in the Atlantic Ocean in Bethany Beach in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Bethany Beach. 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 Bethany Beach in September
64°F
MINIMUN
73°F
AVERAGE
81°F
MAXIMUM
Historical Data of Water Temperature in September in Bethany Beach
Water Temperature Chart for Atlantic Ocean in Bethany Beach in September
Sea Temperature Table in Bethany Beach in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 79°C | 75°C | 73°C | 75°C |
| Sep 2 | 77°C | 75°C | 73°C | 74°C |
| Sep 3 | 75°C | 75°C | 72°C | 73°C |
| Sep 4 | 75°C | 73°C | 72°C | 73°C |
| Sep 5 | 73°C | 73°C | 72°C | 73°C |
| Sep 6 | 75°C | 73°C | 72°C | 73°C |
| Sep 7 | 75°C | 73°C | 73°C | 73°C |
| Sep 8 | 75°C | 73°C | 73°C | 73°C |
| Sep 9 | 75°C | 72°C | 73°C | 73°C |
| Sep 10 | 75°C | 72°C | 72°C | 72°C |
| Sep 11 | 73°C | 72°C | 72°C | 72°C |
| Sep 12 | 73°C | 72°C | 72°C | 72°C |
| Sep 13 | 73°C | 72°C | 72°C | 72°C |
| Sep 14 | 73°C | 70°C | 72°C | 71°C |
| Sep 15 | 72°C | 70°C | 72°C | 71°C |
| Sep 16 | 73°C | 70°C | 72°C | 72°C |
| Sep 17 | 75°C | 70°C | 73°C | 72°C |
| Sep 18 | 75°C | 70°C | 73°C | 72°C |
| Sep 19 | 73°C | 68°C | 73°C | 71°C |
| Sep 20 | 75°C | 73°C | 73°C | 73°C |
| Sep 21 | 75°C | 73°C | 72°C | 73°C |
| Sep 22 | 75°C | 68°C | 72°C | 72°C |
| Sep 23 | 73°C | 68°C | 72°C | 71°C |
| Sep 24 | 73°C | 66°C | 72°C | 70°C |
| Sep 25 | 72°C | 66°C | 72°C | 70°C |
| Sep 26 | 70°C | 66°C | 73°C | 70°C |
| Sep 27 | 72°C | 66°C | 73°C | 71°C |
| Sep 28 | 72°C | 66°C | 72°C | 70°C |
| Sep 29 | 72°C | 64°C | 72°C | 69°C |
Bethany Beach Climate and Swimming Opportunities in September
77°F
Average Day Air Temperature
61°F
Average Night Air Temperature
4 in
Precipitation Amount per Month
9 days
Number of Rainy Days
12 hrs
Daylight
per Day
8 hrs
Sunshine
per Day
9 mph
Average Wind Speed
77%
Average
humidity
Bethany Beach lies within the Delaware in United States. The average daytime temperature in Bethany Beach in September is 78°F (25°C), while the nighttime average is 60°F (16°C). There are typically nine rainy days during the month, with a total precipitation of 3.6 inches (92 mm). The daylight duration in September in Bethany Beach is 12 hours, with an average of 8 hours of sunshine per day. The average wind speed in September is 9 mph (15 km/h), and the humidity level is around 77%.
The water temperature in Bethany Beach in September ranges from 68°F to 75°F (20°C to 24°C). At the beginning of the month, the average temperature is around 73°F (23°C), shifting to 72°F (22°C) by mid-September and reaching 72°F (22°C) in the last ten days. Overall, the average sea temperature in Bethany Beach for September is 72°F (22°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 Bethany Beach
What is the sea temperature in Bethany Beach in September?
The water temperature in the Atlantic Ocean in Bethany Beach in September ranges from 68°F to 75°F (20°C to 24°C).
Is it possible to swim in the Atlantic Ocean in Bethany Beach in September?
The average sea temperature in Bethany Beach in September is 72°F (22°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.