Summerside Weather: September
 |
Average Day Temperature: | 65.2°F |
|
Average Night Temperature: | 58.1°F |
|
Sea Water Temperature: | 66.8°F |
|
Number of Sunny Days: | 10 days |
| Sunshine Hours: | 11.7 - 13.3 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 3.1 in | |
| detailed information | ||
forecast
| Summerside |
Temperature
| Summerside |
Air Temperature in September, °F
The highest day temperature in September 2026 was 71°F. The lowest night temperature was 47°F. The average values for day and night temperatures during September were 61.3°F и 54.5°F respectivly.
Summerside Water Sea Temperature in September, °F
The average sea surface temperature in September 2026 for Summerside was 64.8°F. The maximum and minimum values were 60.6°F and 71.8°F respectively.
Most of the days in September are gloomy but you can also expect sunny days.
Precipitation Totals in September, in
Precipitation total in September for Summerside is 3.1 in. It makes september the most rainy month of the year.
The average wind speed in September is 12.8 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 Summerside in September is 6.0 hours.
Summerside on the Weather Map
| Halifax |  |
+56 |
| Moncton |  |
+52 |
| Montreal | |
+52 |
| Nanaimo | |
+54 |
| Niagara Falls | |
+64 |
| Ottawa | |
+54 |
| Prince Edward Island | |
+54 |
| Quebec | |
+50 |
| Saint Andrews | |
+56 |
| St. John's |  |
+40 |
| Sydney | |
+52 |
| Toronto | |
+72 |
| Vancouver | |
+58 |
| Victoria | |
+56 |
| Winnipeg | |
+52 |
| 2100 |  |
54°F | W 12 mph |
| 0000 | |
54°F | W 15 mph |
| 0300 | |
54°F | W 12 mph |
| 0600 | |
54°F | W 13 mph |
| 0900 | |
56°F | W 11 mph |
| 1200 | |
58°F | W 7 mph |
| 1500 | |
58°F | SW 9 mph |
| 1800 |  |
56°F | SW 15 mph |