Climate averages 1991–2020
Saskatoon weather
in September.
A mild, fairly dry month: the 4th warmest and the 8th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Saskatoon: daytime highs average 18.1°C and nights cool to about 8.1°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 38 mm of rain on roughly 6 days, which makes September a fairly dry month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 43 min on an average September day.
The nearest other city in this atlas is Regina (235 km away). In September its highs average 18.3°C, about as warm as Saskatoon, with 40 mm of rain.
Among the 86 cities listed in Canada, Saskatoon ranks 74th of 86 for the warmest September highs and joint 3rd of 86 for the driest September (rainfall, lowest first). The mean September high of those 86 cities is 19.8°C; Saskatoon is 1.7°C cooler than that mean.
From September to October, average highs fall by 9.0°C to 9.1°C, and monthly rainfall falls from 38 mm to 27 mm.
The annual picture
September in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Saskatoon climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -10.2°C-19.2°C | -19.2°C | 15 | 4.8 | 8.38 h |
| February | -7.7°C-16.8°C | -16.8°C | 11 | 3.4 | 9.910 h |
| March | -0.4°C-10.1°C | -10.1°C | 18 | 5.1 | 11.812 h |
| April | 9.5°C-1.8°C | -1.8°C | 31 | 6.9 | 13.914 h |
| May | 16.8°C5.0°C | 5.0°C | 46 | 7.8 | 15.716 h |
| June | 20.9°C11.0°C | 11.0°C | 87 | 11.9 | 16.717 h |
| July | 23.9°C13.9°C | 13.9°C | 70 | 10.8 | 16.216 h |
| August | 23.6°C13.2°C | 13.2°C | 50 | 7.6 | 14.715 h |
| September, selected | 18.1°C8.1°C | 8.1°C | 38 | 5.7 | 12.713 h |
| October | 9.1°C0.6°C | 0.6°C | 27 | 5.8 | 10.711 h |
| November | -0.8°C-8.1°C | -8.1°C | 19 | 4.7 | 8.99 h |
| December | -8.0°C-15.8°C | -15.8°C | 12 | 4.0 | 7.88 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Regina in SeptemberCanada · 235 kmHigh 18.3°C · Low 8.2°C · 40 mm rain
- Sherwood Park in SeptemberCanada · 472 kmHigh 16.0°C · Low 6.7°C · 38 mm rain
- Edmonton in SeptemberCanada · 483 kmHigh 16.7°C · Low 7.2°C · 38 mm rain
- Red Deer in SeptemberCanada · 486 kmHigh 16.6°C · Low 6.3°C · 41 mm rain
- Lethbridge in SeptemberCanada · 509 kmHigh 19.7°C · Low 8.3°C · 37 mm rain
- Airdrie in SeptemberCanada · 516 kmHigh 16.6°C · Low 5.8°C · 45 mm rain
- Calgary in SeptemberCanada · 526 kmHigh 17.5°C · Low 5.6°C · 44 mm rain
- Winnipeg in SeptemberCanada · 711 kmHigh 18.5°C · Low 9.4°C · 68 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Saskatoon) is explained once on the Saskatoon year overview and on the Sources, method and limits page.