Winnipeg Weather: September
 |
Average Day Temperature: | 67.4°F |
|
Average Night Temperature: | 53.3°F |
|
Sea Water Temperature: | 62.0°F |
|
Number of Sunny Days: | 14 days |
| Sunshine Hours: | 11.7 - 13.5 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 1.4 in | |
| detailed information | ||
forecast
| Winnipeg |
Temperature
| Winnipeg |
Air Temperature in September, °F
The highest day temperature in September 2025 was 86°F. The lowest night temperature was 39°F. The average values for day and night temperatures during September were 70.6°F и 56.6°F respectivly.
Winnipeg Water Sea Temperature in September, °F
The average sea surface temperature in September 2025 for Winnipeg was 65.7°F. The maximum and minimum values were 62.2°F and 71.4°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 Winnipeg is 1.4 in. It makes september one of the most rainy months of the year.
The average wind speed in September is 10.1 mph. This value is relatively stable throughout the year.
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 Winnipeg in September is 7.9 hours.
Winnipeg on the Weather Map
| Halifax |  |
+6 |
| Kingston |  |
+8 |
| Moncton |  |
-10 |
| Montreal | |
-2 |
| Niagara Falls | |
+12 |
| Ottawa | |
-12 |
| Prince Edward Island | |
+2 |
| Quebec | |
-14 |
| Rocky Harbour |  |
+22 |
| St. John's |  |
+36 |
| Sydney | |
+16 |
| Toronto | |
+12 |
| Vancouver | |
+40 |
| Victoria | |
+44 |
| Winnipeg | |
+8 |
| 0600 |  |
8°F | E 4 mph |
| 0900 |  |
6°F | E 6 mph |
| 1200 | |
12°F | SE 12 mph |
| 1500 | |
12°F | SE 16 mph |
| 1800 |  |
10°F | SE 15 mph |
| 2100 | |
4°F | SE 12 mph |
| 0000 | |
0°F | SE 10 mph |
| 0300 | |
-4°F | SE 4 mph |