Terrebonne
September
Weather in Terrebonne for September 2025
Your guide to Terrebonne weather in September - trends and predictions
In general, the average temperature in Terrebonne at the beginning of September is 25.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.4 °C by the end of September.
Terrebonne experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 117.1 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°/11°
Temperatures
16 km/h
Avg max wind
76 %
Avg humidity
Terrebonne in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  22° | 3  24° | 4 26° | 5 28° | 6 27° | 7  25° |
| 8  18° | 9  20° | 10  20° | 11 22° | 12 23° | 13 22° | 14 20° |
| 15 24° | 16 24° | 17 26° | 18 24° | 19 23° | 20 23° | 21 20° |
| 22 22° | 23 20° | 24 21° | 25  16° | 26 18° | 27 20° | 28 19° |
| 29 20° | 30 22° |
You can click on date
Access Terrebonne weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Terrebonne
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Partly cloudy | 24° /11° | 2.6 mm | 6 | |
| 2 Sept. | Mist | 22° /11° | 0 mm | 5 | |
| 3 Sept. | Overcast | 24° /11° | 0 mm | 6 | |
| 4 Sept. | Overcast | 26° /13° | 0 mm | 7 | |
| 5 Sept. | Mist | 28° /16° | 0 mm | 7 | |
| 6 Sept. | Fog | 27° /17° | 0 mm | 6 | |
| 7 Sept. | Patchy light rain with thunder | 25° /13° | 7.7 mm | 6 | |
| 8 Sept. | Light rain shower | 18° /11° | 9.1 mm | 5 | |
| 9 Sept. | Cloudy | 20° /7° | 0 mm | 5 | |
| 10 Sept. | Moderate rain | 20° /9° | 1.5 mm | 5 | |
| 11 Sept. | Overcast | 22° /10° | 0.8 mm | 6 | |
| 12 Sept. | Overcast | 23° /13° | 0.3 mm | 6 | |
| 13 Sept. | Moderate rain | 22° /13° | 7.2 mm | 5 | |
| 14 Sept. | Overcast | 20° /11° | 0 mm | 5 | |
| 15 Sept. | Partly cloudy | 24° /11° | 0 mm | 7 | |
| 16 Sept. | Overcast | 24° /14° | 0 mm | 6 | |
| 17 Sept. | Partly cloudy | 26° /13° | 0.3 mm | 7 | |
| 18 Sept. | Light rain shower | 24° /13° | 1.1 mm | 6 | |
| 19 Sept. | Moderate rain | 23° /14° | 7.1 mm | 6 | |
| 20 Sept. | Cloudy | 23° /11° | 0 mm | 6 | |
| 21 Sept. | Partly cloudy | 20° /8° | 0 mm | 5 | |
| 22 Sept. | Mist | 22° /8° | 0 mm | 5 | |
| 23 Sept. | Mist | 20° /9° | 0 mm | 5 | |
| 24 Sept. | Partly cloudy | 21° /10° | 0 mm | 6 | |
| 25 Sept. | Sunny | 16° /9° | 21.3 mm | 4 | |
| 26 Sept. | Sunny | 18° /8° | 58 mm | 5 | |
| 27 Sept. | Sunny | 20° /9° | 0 mm | 5 | |
| 28 Sept. | Sunny | 19° /10° | 0 mm | 5 | |
| 29 Sept. | Mist | 20° /9° | 0 mm | 5 | |
| 30 Sept. | Mist | 22° /10° | 0 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Terrebonne 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 Terrebonne forecast closer to your planned date for the most up-to-date weather information.
Terrebonne in September - FAQ
What are the expected maximum and minimum temperatures in Terrebonne during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Terrebonne during September?
Significant rainfall exceeding 117.1 mm is expected in Terrebonne during September, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Terrebonne during September?
The average wind speed in Terrebonne during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Terrebonne
Explore the daily rainfall trends and prepare for Terrebonnes September weather 💧
UV exposure in Terrebonne during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
You are here
Where is Terrebonne?Get accurate weather forecasts for Terrebonne, located at latitude 45.7 and longitude -73.647. Stay updated with localized weather information tailored for Terrebonne.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.