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Weather in Saint-Simon-de-Rimouski for September 2025

Your guide to Saint-Simon-de-Rimouski weather in September - trends and predictions

  • In general, the average temperature in Saint-Simon-de-Rimouski at the beginning of September is 19 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.7 °C by the end of September.

  • The climate of Saint-Simon-de-Rimouski in September is notably wet, with an average of 12 rainy days.

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Average dry days
18
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/10°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
85 %
Avg humidity

Saint-Simon-de-Rimouski in September average weather

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
20°
2
Cloudy
17°
3
Partly cloudy
17°
4
Mist
20°
5
Fog
20°
6
Fog
20°
7
Fog
19°
8
Light rain shower
17°
9
Fog
14°
10
Overcast
13°
11
Fog
15°
12
Fog
17°
13
Moderate rain
16°
14
Moderate rain
15°
15
Overcast
16°
16
Moderate rain
18°
17
Overcast
20°
18
Light rain shower
18°
19
Moderate rain
15°
20
Patchy rain possible
15°
21
Overcast
13°
22
Overcast
15°
23
Light rain
14°
24
Overcast
14°
25
Patchy rain possible
14°
26
Mist
13°
27
Partly cloudy
13°
28
Cloudy
13°
29
Partly cloudy
15°
30
Mist
14°
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Temperatures trend during September in Saint-Simon-de-Rimouski

See the weather trend as well as the moving average line

September weather day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 20° /9° 2.5 mm 5
2 Sept. Cloudy
Cloudy
 17° /9° 0.1 mm 4
3 Sept. Partly cloudy
Partly cloudy
 17° /10° 0 mm 5
4 Sept. Mist
Mist
 20° /12° 0 mm 5
5 Sept. Fog
Fog
 20° /13° 0 mm 6
6 Sept. Fog
Fog
 20° /13° 0 mm 6
7 Sept. Fog
Fog
 19° /12° 4.4 mm 5
8 Sept. Light rain shower
Light rain shower
 17° /11° 3.6 mm 4
9 Sept. Fog
Fog
 14° /9° 0.8 mm 4
10 Sept. Overcast
Overcast
 13° /9° 0.4 mm 3
11 Sept. Fog
Fog
 15° /9° 0.5 mm 4
12 Sept. Fog
Fog
 17° /10° 0 mm 5
13 Sept. Moderate rain
Moderate rain
 16° /11° 11.4 mm 4
14 Sept. Moderate rain
Moderate rain
 15° /9° 5.4 mm 4
15 Sept. Overcast
Overcast
 16° /9° 0 mm 4
16 Sept. Moderate rain
Moderate rain
 18° /12° 8.3 mm 5
17 Sept. Overcast
Overcast
 20° /14° 3.8 mm 5
18 Sept. Light rain shower
Light rain shower
 18° /12° 0.6 mm 5
19 Sept. Moderate rain
Moderate rain
 15° /11° 12.8 mm 4
20 Sept. Patchy rain possible
Patchy rain possible
 15° /9° 2.6 mm 4
21 Sept. Overcast
Overcast
 13° /7° 0 mm 3
22 Sept. Overcast
Overcast
 15° /6° 0 mm 4
23 Sept. Light rain
Light rain
 14° /7° 3.4 mm 4
24 Sept. Overcast
Overcast
 14° /7° 0 mm 4
25 Sept. Patchy rain possible
Patchy rain possible
 14° /7° 0 mm 3
26 Sept. Mist
Mist
 13° /8° 14.4 mm 3
27 Sept. Partly cloudy
Partly cloudy
 13° /9° 14.4 mm 4
28 Sept. Cloudy
Cloudy
 13° /8° 0 mm 4
29 Sept. Partly cloudy
Partly cloudy
 15° /8° 0 mm 4
30 Sept. Mist
Mist
 14° /6° 0 mm 4
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Important Notice
Our weather forecast for Saint-Simon-de-Rimouski 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 Saint-Simon-de-Rimouski forecast closer to your planned date for the most up-to-date weather information.

Saint-Simon-de-Rimouski in September - FAQ

What are the expected maximum and minimum temperatures in Saint-Simon-de-Rimouski during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Saint-Simon-de-Rimouski during September?
Significant rainfall exceeding 109.4 mm is expected in Saint-Simon-de-Rimouski during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint-Simon-de-Rimouski during September?
The average wind speed in Saint-Simon-de-Rimouski during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Saint-Simon-de-Rimouski

Explore the daily rainfall trends and prepare for Saint-Simon-de-Rimouskis September weather 💧

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Location coordinates Where is Saint-Simon-de-Rimouski?

Get accurate weather forecasts for Saint-Simon-de-Rimouski, located at latitude 48.2 and longitude -69.05. Stay updated with localized weather information tailored for Saint-Simon-de-Rimouski.

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