Weather in Bethany Beach: September
 |
Average day temperature: | 74.4°F |
| Average night temperature: | 68.5°F | |
 |
Sea water temperature: | 73.8°F |
 |
Number of sunny days: | 15 days |
| Day length: | 11.8 - 13.0 hours | |
 |
Number of rainy days: | 3 days |
| Precipitation totals: | 1.4 in. | |
| more information | ||
forecast
| Bethany Beach |
temperature
| Bethany Beach |
Air temperature in September, °F
The highest day temperature during September of 2023 was 85°F. At the same time the lowest night temperature was 61°F. Day and night temperature averages during September were 74.3°F and 68.5°F.
Sea water temperature in Bethany Beach in September, °F
The average sea water temperature in September of 2023 was 73.6°F. The highest and lowest sea temperatures during the month were 77.4°F and 68.5°F.
Mostly all days in September are sunny but cloudy days are also possible.
Precipitation total in September, in.
Precipitation total value in Bethany Beach in September is 1.4 in. Other months of the year show relatively similar values.
The average wind speed value in September is 10.9 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 8.0.
Best time for vacation in Bethany Beach
Bethany Beach on a weather map
12 mph
12 mph
13 mph
11 mph
7 mph
7 mph
9 mph
12 mph
