Grand Marais Weather: September
 |
Average Day Temperature: | 63.2°F |
|
Average Night Temperature: | 54.5°F |
|
Sea Water Temperature: | 59.1°F |
|
Number of Sunny Days: | 14 days |
| Sunshine Hours: | 11.7 - 13.4 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 0.9 in | |
| detailed information | ||
forecast
| Grand Marais |
Temperature
| Grand Marais |
Air Temperature in September, °F
The highest day temperature in September 2023 was 87°F. The lowest night temperature was 42°F. The average values for day and night temperatures during September were 65.0°F и 55.8°F respectivly.
Grand Marais Water Sea Temperature in September, °F
The average sea surface temperature in September 2023 for Grand Marais was 62.1°F. The maximum and minimum values were 59.2°F and 65.4°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 Grand Marais is 0.9 in. It makes september one of the most rainy months of the year.
The average wind speed in September is 7.7 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 Grand Marais in September is 7.8 hours.
Grand Marais on the Weather Map
| Boston |  |
+64 |
| Chicago | |
+66 |
| Hawaii |  |
+74 |
| Honolulu | |
+76 |
| Houston |  |
+84 |
| Las Vegas |  |
+70 |
| Los Angeles | |
+64 |
| Miami | |
+80 |
| New York | |
+64 |
| Orlando | |
+84 |
| San Diego | |
+62 |
| San Francisco | |
+56 |
| Sarasota | |
+86 |
| Tampa | |
+84 |
| Washington | |
+72 |
| 1500 |  |
38°F | W 18 mph |
| 1800 |  |
38°F | W 17 mph |
| 2100 |  |
38°F | SW 17 mph |
| 0000 | |
38°F | SW 23 mph |
| 0300 |  |
34°F | W 24 mph |
| 0600 | |
32°F | SW 24 mph |
| 0900 | |
32°F | SW 22 mph |
| 1200 | |
32°F | SW 23 mph |