Long Beach Island Weather: September
 |
Average Day Temperature: | 75.8°F |
|
Average Night Temperature: | 68.2°F |
|
Sea Water Temperature: | 75.2°F |
|
Number of Sunny Days: | 15 days |
| Sunshine Hours: | 11.8 - 13.0 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 1.1 in | |
| detailed information | ||
forecast
| Long Beach Island |
Temperature
| Long Beach Island |
Air Temperature in September, °F
The highest day temperature in September 2025 was 81°F. The lowest night temperature was 65°F. The average values for day and night temperatures during September were 73.6°F и 70.1°F respectivly.
Long Beach Island Water Sea Temperature in September, °F
The average sea surface temperature in September 2025 for Long Beach Island was 73.8°F. The maximum and minimum values were 72.0°F and 76.0°F respectively.
Most of the days in September are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in September, in
Precipitation total in September for Long Beach Island is 1.1 in.
The average wind speed in September is 9.9 mph. It makes September one of the most windless months of the year for Long Beach Island.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Long Beach Island in September is 7.7 hours.
Long Beach Island on the Weather Map
| Boston |  |
+96 |
| Chicago | |
+86 |
| Hawaii |  |
+82 |
| Houston |  |
+80 |
| Las Vegas |  |
+118 |
| Los Angeles | |
+100 |
| Maui | |
+78 |
| Miami | |
+96 |
| Myrtle Beach | |
+90 |
| New York | |
+104 |
| San Diego | |
+94 |
| San Francisco | |
+82 |
| Santa Monica | |
+82 |
| Sarasota | |
+96 |
| Tampa | |
+98 |
| 1800 |  |
96°F | E 13 mph |
| 2100 |  |
90°F | NE 10 mph |
| 0000 | |
80°F | S 7 mph |
| 0300 |  |
78°F | S 4 mph |
| 0600 | |
78°F | SE 4 mph |
| 0900 | |
84°F | E 6 mph |
| 1200 | |
90°F | NE 9 mph |
| 1500 |  |
92°F | NE 13 mph |