Weather in Rehoboth Beach: September
 |
Average day temperature: | 75.8°F |
| Average night temperature: | 66.2°F | |
 |
Sea water temperature: | 73.8°F |
 |
Number of sunny days: | 15 days |
| Day length: | 11.8 - 13.0 hours | |
 |
Number of rainy days: | 4 days |
| Precipitation totals: | 1.6 in. | |
| more information | ||
forecast
| Rehoboth Beach |
temperature
| Rehoboth Beach |
Air temperature in September, °F
The highest day temperature during September of 2023 was 95°F. At the same time the lowest night temperature was 58°F. Day and night temperature averages during September were 76.5°F and 65.8°F.
Sea water temperature in Rehoboth Beach in September, °F
The average sea water temperature in September of 2023 was 74.0°F. The highest and lowest sea temperatures during the month were 78.3°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 Rehoboth Beach in September is 1.6 in. Other months of the year show relatively similar values.
The average wind speed value in September is 8.8 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 Rehoboth Beach
Rehoboth Beach on a weather map
19 mph
19 mph
21 mph
23 mph
22 mph
21 mph
21 mph
19 mph
