Mackinac Island Weather: September
 |
Average Day Temperature: | 64.8°F |
|
Average Night Temperature: | 59.1°F |
|
Sea Water Temperature: | 64.3°F |
|
Number of Sunny Days: | 13 days |
| Sunshine Hours: | 11.7 - 13.3 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.8 in | |
| detailed information | ||
forecast
| Mackinac Island |
Temperature
| Mackinac Island |
Air Temperature in September, °F
The highest day temperature in September 2024 was 73°F. The lowest night temperature was 48°F. The average values for day and night temperatures during September were 66.0°F и 60.1°F respectivly.
Mackinac Island Water Sea Temperature in September, °F
The average sea surface temperature in September 2024 for Mackinac Island was 66.1°F. The maximum and minimum values were 63.4°F and 67.8°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 Mackinac Island is 0.8 in. It makes september one of the least rainy months of the year.
The average wind speed in September is 9.5 mph.
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 Mackinac Island in September is 7.6 hours.
Mackinac Island on the Weather Map
| Boston |  |
+48 |
| Chicago | |
+34 |
| Hawaii |  |
+80 |
| Honolulu | |
+80 |
| Houston |  |
+74 |
| Las Vegas | |
+68 |
| Los Angeles | |
+74 |
| Maui |  |
+74 |
| Miami | |
+80 |
| New York | |
+48 |
| San Diego | |
+70 |
| San Francisco | |
+58 |
| Sarasota | |
+74 |
| Tampa | |
+72 |
| Washington | |
+48 |
| 1800 |  |
42°F | S 7 mph |
| 2100 |  |
42°F | S 11 mph |
| 0000 | |
40°F | S 11 mph |
| 0300 | |
42°F | S 15 mph |
| 0600 | |
42°F | S 16 mph |
| 0900 | |
42°F | S 16 mph |
| 1200 | |
44°F | S 16 mph |
| 1500 | |
44°F | S 16 mph |