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Weather in Muskoka for September 2026

Your guide to Muskoka weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Muskoka at the beginning of September is 19.1 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 19.6 °C by the end of September.

    • Rain 🌧️

  • Muskoka experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 140.4 mm.

    • More

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Average dry days
20
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/12°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Muskoka Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate rain at times
22°
2
Sunny
20°
3
Partly cloudy
22°
4
Sunny
20°
5
Sunny
22°
6
Moderate or heavy rain shower
16°
7
Heavy rain at times
12°
8
Moderate rain at times
16°
9
Moderate or heavy rain shower
21°
10
Patchy rain possible
21°
11
Partly cloudy
23°
12
Sunny
23°
13
Sunny
24°
14
Partly cloudy
24°
15
Sunny
25°
16
Sunny
25°
17
Cloudy
25°
18
Overcast
24°
19
Overcast
21°
20
Overcast
22°
21
Moderate or heavy rain shower
21°
22
Patchy rain possible
22°
23
Moderate or heavy rain shower
20°
24
Moderate or heavy rain shower
18°
25
Heavy rain at times
20°
26
Patchy rain possible
18°
27
Overcast
21°
28
Partly cloudy
20°
29
Cloudy
23°
30
Fog
17°

Temperatures trend during September in Muskoka

See the weather trend as well as the moving average line

September weather in Muskoka day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Moderate rain at times
Moderate rain at times
 22° /11° 0.3 mm 5
2 Sept. Sunny
Sunny
 20° /10° 0 mm 5
3 Sept. Partly cloudy
Partly cloudy
 22° /12° 0 mm 6
4 Sept. Sunny
Sunny
 20° /10° 45 mm 5
5 Sept. Sunny
Sunny
 22° /10° 0 mm 6
6 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /13° 11.3 mm 4
7 Sept. Heavy rain at times
Heavy rain at times
 12° /6° 11.6 mm 3
8 Sept. Moderate rain at times
Moderate rain at times
 16° /7° 0.8 mm 4
9 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /9° 4.3 mm 5
10 Sept. Patchy rain possible
Patchy rain possible
 21° /9° 0.1 mm 5
11 Sept. Partly cloudy
Partly cloudy
 23° /11° 0 mm 6
12 Sept. Sunny
Sunny
 23° /12° 0 mm 6
13 Sept. Sunny
Sunny
 24° /14° 0 mm 6
14 Sept. Partly cloudy
Partly cloudy
 24° /14° 0 mm 6
15 Sept. Sunny
Sunny
 25° /14° 0 mm 6
16 Sept. Sunny
Sunny
 25° /11° 0 mm 6
17 Sept. Cloudy
Cloudy
 25° /12° 0 mm 6
18 Sept. Overcast
Overcast
 24° /12° 0 mm 6
19 Sept. Overcast
Overcast
 21° /9° 0 mm 5
20 Sept. Overcast
Overcast
 22° /9° 0 mm 6
21 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /12° 4.7 mm 5
22 Sept. Patchy rain possible
Patchy rain possible
 22° /14° 33.5 mm 5
23 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 20° /15° 26.1 mm 5
24 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /15° 3.2 mm 5
25 Sept. Heavy rain at times
Heavy rain at times
 20° /14° 24.9 mm 5
26 Sept. Patchy rain possible
Patchy rain possible
 18° /13° 1.4 mm 4
27 Sept. Overcast
Overcast
 21° /12° 0 mm 5
28 Sept. Partly cloudy
Partly cloudy
 20° /12° 0 mm 5
29 Sept. Cloudy
Cloudy
 23° /10° 0 mm 5
30 Sept. Fog
Fog
 17° /11° 0 mm 5
Next
Important Notice
Our weather forecast for Muskoka in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Muskoka forecast closer to your planned date for the most up-to-date weather information.
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Muskoka in September - FAQ

What are the expected maximum and minimum temperatures in Muskoka during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Muskoka during September?
Significant rainfall exceeding 140.4 mm is expected in Muskoka during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Muskoka during September?
The average wind speed in Muskoka during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Muskoka

Explore the daily rainfall trends and prepare for Muskokas September weather 💧

UV exposure in Muskoka during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Muskoka?

Get accurate weather forecasts for Muskoka, located at latitude 44.912 and longitude -79.374. Stay updated with localized weather information tailored for Muskoka.

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