Milwaukee Weather: September
 |
Average Day Temperature: | 72.6°F |
|
Average Night Temperature: | 62.7°F |
|
Sea Water Temperature: | 68.2°F |
|
Number of Sunny Days: | 13 days |
| Sunshine Hours: | 11.8 - 13.2 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.9 in | |
| detailed information | ||
forecast
| Milwaukee |
Temperature
| Milwaukee |
Air Temperature in September, °F
The highest day temperature in September 2026 was 93°F. The lowest night temperature was 51°F. The average values for day and night temperatures during September were 71.7°F и 62.6°F respectivly.
Milwaukee Water Sea Temperature in September, °F
The average sea surface temperature in September 2026 for Milwaukee was 64.5°F. The maximum and minimum values were 58.2°F and 71.0°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 Milwaukee is 0.9 in.
The average wind speed in September is 9.1 mph. It makes September one of the most windless months of the year for Milwaukee.
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 Milwaukee in September is 7.5 hours.
Milwaukee on the Weather Map
| Boston |  |
+52 |
| Chicago | |
+58 |
| Hawaii | |
+80 |
| Houston |  |
+80 |
| Las Vegas | |
+82 |
| Los Angeles | |
+96 |
| Maui | |
+72 |
| Miami |  |
+86 |
| Myrtle Beach | |
+68 |
| New York | |
+56 |
| San Diego | |
+86 |
| San Francisco | |
+66 |
| Santa Monica | |
+88 |
| Sarasota | |
+82 |
| Washington | |
+58 |
| 0300 |  |
50°F | N 6 mph |
| 0600 |  |
50°F | N 7 mph |
| 0900 |  |
56°F | N 11 mph |
| 1200 | |
68°F | NE 14 mph |
| 1500 |  |
72°F | NE 16 mph |
| 1800 | |
66°F | NE 14 mph |
| 2100 | |
62°F | NE 11 mph |
| 0000 | |
60°F | NE 11 mph |