Algoma (Sault Ste. Marie)
September
Weather in Algoma for September 2025
Your guide to Algoma weather in September - trends and predictions
Until now, September 2025 in Algoma is cooler than usual, with temperatures averaging 16.8 °C, this is -3.6 °C below the typical seasonal average.
The forecast for the next days in Algoma predicts temperatures to be around 20 °C, close to the historical average.
In general, the average temperature in Algoma at the beginning of September is 20.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 19 °C by the end of September.
Algoma experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 32.4 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
21
Dry days
9
Rainy days
0
Snow days
22°/10°
Temperatures
15 km/h
Avg max wind
75 %
Avg humidity
Algoma Weather September
Move between months or click on a day
Temperatures trend during September in Algoma
See the weather trend as well as the moving average line
September weather in Algoma day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Mist | 22° /9° | 0.9 mm | 5 | |
| 2 Sept. |  Thundery outbreaks possible | 23° /11° | 0 mm | 5 | |
| 3 Sept. | Fog | 23° /11° | 22.4 mm | 5 | |
| 4 Sept. | Fog | 23° /10° | 0 mm | 5 | |
| 5 Sept. | Thundery outbreaks possible | 23° /12° | 11.8 mm | 5 | |
| 6 Sept. |  Light rain shower | 17° /10° | 4.3 mm | 4 | |
| 7 Sept. |  Overcast | 14° /6° | 0.3 mm | 4 | |
| 8 Sept. |  Partly cloudy | 18° /7° | 0 mm | 5 | |
| 9 Sept. | Mist | 20° /7° | 0 mm | 5 | |
| 10 Sept. | Mist | 19° /10° | 0 mm | 5 | |
| 11 Sept. | Patchy rain possible | 21° /13° | 0.2 mm | 5 | |
| 12 Sept. | Mist | 20° /10° | 3.5 mm | 5 | |
| 13 Sept. |  Moderate rain | 20° /11° | 2.3 mm | 5 | |
| 14 Sept. | Mist | 22° /11° | 0 mm | 5 | |
| 15 Sept. | Mist | 23° /10° | 0 mm | 6 | |
| 16 Sept. |  Sunny | 26° /9° | 0 mm | 1.3 | |
| 17 Sept. | Thundery outbreaks possible | 25° /12° | 0 mm | 1.1 | |
| 18 Sept. | Fog | 20° /15° | 0 mm | 1.1 | |
| 19 Sept. | Sunny | 19° /7° | 0 mm | 1.2 | |
| 20 Sept. | Sunny | 18° /8° | 0 mm | 0 | |
| 21 Sept. | Patchy rain possible | 18° /12° | 3.6 mm | 3 | |
| 22 Sept. | Moderate rain | 26° /17° | 9.6 mm | 4 | |
| 23 Sept. | Patchy rain possible | 18° /14° | 1.1 mm | 4 | |
| 24 Sept. | Patchy rain possible | 18° /11° | 0.3 mm | 3 | |
| 25 Sept. | Patchy rain possible | 15° /11° | 2.7 mm | 3 | |
| 26 Sept. | Patchy rain possible | 17° /13° | 0.4 mm | 3 | |
| 27 Sept. | Partly cloudy | 20° /13° | 0 mm | 5 | |
| 28 Sept. | Patchy rain possible | 21° /12° | 0.1 mm | 4 | |
| 29 Sept. | Partly cloudy | 19° /12° | 0 mm | 5 | |
| 30 Sept. | Fog | 23° /12° | 1.1 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Algoma 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 Algoma forecast closer to your planned date for the most up-to-date weather information.
Change Month
Algoma in September - FAQ
What are the expected maximum and minimum temperatures in Algoma during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Algoma during September?
In September, Algoma can expect light to moderate rainfall, totaling 32.4 mm across approximately 9 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Algoma during September?
The average wind speed in Algoma during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Algoma
Explore the daily rainfall trends and prepare for Algomas September weather 💧
UV exposure in Algoma during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Algoma
Select a location for an accurate weather forecast
More Locations Quick links
More Algoma weather pages
You are here
Where is Algoma?Get accurate weather forecasts for Algoma, located at latitude 46.517 and longitude -84.333. Stay updated with localized weather information tailored for Algoma.
Found a mistake?
We appreciate your attention to details. Tell us here.