Fire Island Weather: September
 |
Average Day Temperature: | 75.9°F |
|
Average Night Temperature: | 69.9°F |
|
Sea Water Temperature: | 75.8°F |
|
Number of Sunny Days: | 16 days |
| Sunshine Hours: | 11.8 - 13.1 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 1.5 in | |
| detailed information | ||
forecast
| Fire Island |
Temperature
| Fire Island |
Air Temperature in September, °F
The highest day temperature in September 2023 was 92°F. The lowest night temperature was 58°F. The average values for day and night temperatures during September were 76.0°F и 69.3°F respectivly.
Fire Island Water Sea Temperature in September, °F
The average sea surface temperature in September 2023 for Fire Island was 74.6°F. The maximum and minimum values were 63.8°F and 83.8°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 Fire Island is 1.5 in.
The average wind speed in September is 10.2 mph. It makes September one of the most windless months of the year for Fire 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 Fire Island in September is 8.0 hours.
Fire Island on the Weather Map
| Boston |  |
+62 |
| Chicago |  |
+66 |
| Hawaii |  |
+76 |
| Honolulu | |
+76 |
| Houston | |
+88 |
| Las Vegas | |
+66 |
| Los Angeles | |
+64 |
| Miami | |
+80 |
| New York |  |
+56 |
| Orlando | |
+82 |
| San Diego | |
+62 |
| San Francisco | |
+54 |
| Sarasota | |
+84 |
| Tampa | |
+84 |
| Washington | |
+56 |
| 1500 |  |
54°F | N 12 mph |
| 1800 |  |
52°F | N 13 mph |
| 2100 |  |
48°F | NE 11 mph |
| 0000 | |
48°F | N 9 mph |
| 0300 | |
48°F | N 9 mph |
| 0600 | |
48°F | NE 9 mph |
| 0900 |  |
52°F | NE 9 mph |
| 1200 | |
60°F | NE 6 mph |