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Saskatoon in September: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Saskatoon in September will be like? Take a look at our weather guide for Saskatoon, based on historical data.
Check flight prices to Saskatoon on Avionero:
September

Weather in Saskatoon in September 2025

Good Weather
Mild
☁️
Cloudy
Planning a trip to Saskatoon in September? You are in luck! The weather is generally good, with an average maximum temperature of +68°F and approximately 6 sunny days. Just be prepared for some rain, as there are usually around 11 rainy days and 38 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+68°F
Avg. max. temperature
+18°F
Min.
+97°F
Max.
38 mm
Total precipitation
66%
Avg. humidity
3 m/s
Avg. wind
6 ☀️
Sunny Days
13 ⛅️
Cloudy
11 🌦
Rainy
Our opinion: Saskatoon has good weather in September.

Average temperature in Saskatoon in September

Here are the expected maximum, average and minimum temperatures in Saskatoon for September based on the historical data.
Last Year
Historical Data

Going from a maximum of +86°F during the day to a minimum of +36°F during the night, the temperature in September averages around +73°F.

The average maximum temperature goes down 36% by the end of the month, compared with the beginning of the month, from +81°F to +63°F.

Is Saskatoon warm or cold in September?

Saskatoon is typically mild in September.

Maximum temperatures go down compared to the previous month from +77°F to +68°F. The minimum temperature also goes down from +52°F to +43°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how September is compared to other months in Saskatoon:

Climate in Saskatoon in September

Saskatoon weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+77°F+68°F+52°F
Min. temperature
+32°F+18°F-9°F
Max. temperature
+100°F+97°F+82°F
Rainfall
54 mm38 mm16 mm
Wind
3 m/s3 m/s3 m/s
Humidity
66%66%70%
Air pressure
1012 HPa1012 HPa1014 HPa
Sunny days
564
Cloudy days
111316
Rainy days
14117
Snowy days
004

September weather is still as good as in August. It’s getting colder in September. From +77°F in the day, the average maximum temperature lowers to +68°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 54 mm to 38 mm. Humidity levels don’t change as the month goes on, averaging around 66%. The average wind speed doesn’t change much during September, staying around 3 m/s. The good news is there are likely to be more sunny days in September, from 5 to 6.

October brings much the same weather, it remains good.

Wind

Wind speed in Saskatoon in September based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Saskatoon is gradually decreasing during September, going from 4 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Saskatoon based on historical data.
Last Year
Historical Data
Typically, there is a 23% chance of rain on an average day in September, with total rainfall of approximately 11 mm. The maximum amount of rainfall per day is around 2 mm, which is considered light rain. On average, there are about 7 rainy days during September, so prepare to bring an umbrella.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Saskatoon wettest month is June, where a typical day has a 60% chance of precipitation and 82 mm of rainfall per day. January, on the other hand, is the driest month with a mere 0% chance of precipitation and 0 mm of rainfall per day.

Snow

Amount of snow in mm during September in Saskatoon based on historical data.
Last Year
Historical Data
Typically, there is a 0% chance of snow on an average day in September, with a total monthly snowfall of approximately 0 mm.

Here’s how September is compared with other months in the amount of snow, total mm:

How was the weather last September in Saskatoon?

This is the weather in Saskatoon in September 2024:
1 September
🌫️
+80°F
2 September
🌫️
+80°F
3 September
🌫️
+81°F
4 September
🌫️
+78°F
5 September
☁️
+62°F
6 September
🌫️
+71°F
7 September
☁️
+69°F
8 September
☀️
+71°F
9 September
☁️
+75°F
10 September
☁️
+74°F
11 September
☀️
+71°F
12 September
☀️
+78°F
13 September
☁️
+78°F
14 September
🌫️
+70°F
15 September
🌫️
+69°F
16 September
🌫️
+83°F
17 September
☀️
+87°F
18 September
☁️
+81°F
19 September
🌫️
+73°F
20 September
☁️
+67°F
21 September
☁️
+70°F
22 September
☀️
+74°F
23 September
☁️
+71°F
24 September
☁️
+73°F
25 September
☀️
+78°F
26 September
☁️
+84°F
27 September
☀️
+79°F
28 September
☀️
+68°F
29 September
☁️
+64°F
30 September
☁️
+62°F
In September 2024 Saskatoon had 8 sunny days, 13 cloudy days, and 0 rainy days. The average maximum temperature was +73°F, with an absolute maximum of +86°F and a minimum of +63°F. The average humidity was 63%, with a maximum of 100% and a minimum of 12%. The average wind speed was 4 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

This is how Saskatoon climate has changed over the last 43 years.

The climate in Saskatoon in September has not changed that much over the last 43 years.

The average temperature was the lowest in 1996 (+42°F) and the highest in 1987 (+53°F). The driest year was 1979 with only 191 mm of rainfall, and the wettest year was 2014 with 538 mm.

FAQ

Frequently asked questions about the weather in Saskatoon in September:

Is September a good time to visit Saskatoon?

September is a really good time to go to Saskatoon. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Saskatoon.

Can you sunbathe in Saskatoon in September?

September has mild temperatures in Saskatoon. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Saskatoon rainy in September?

Saskatoon is usually dry in September. Plan your packing around outdoor activities and exploring.

Is it sunny in Saskatoon in September?

Usually, it’s not very sunny in Saskatoon in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Canada

Check out the weather for other cities in Canada.

Monthly weather in Saskatoon

Source of the data

For this page, we’ve looked at the typical weather in Saskatoon, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.