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Canada weather

Weather in Baie-Comeau for September 2025

Your guide to Baie-Comeau weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Baie-Comeau is slightly cooler than the historical average by -0.9 °C.

  • Expect cooler weather in the next days in Baie-Comeau with the forecast suggesting a temperature of 14.8 °C, lower than the historical average.

  • In general, the average temperature in Baie-Comeau at the beginning of September is 17.1 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 14.1 °C by the end of September.

    • Rain 🌧️

  • With an average of 4 rainy days, Baie-Comeau experiences minimal rainfall in September.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
26
Dry days
Average rainy days
4
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/9°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Baie-Comeau Weather September

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

Temperatures trend during September in Baie-Comeau

See the weather trend as well as the moving average line

September weather in Baie-Comeau day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 18° /10° 1 mm 5
2 Sept. Cloudy
Cloudy
 17° /10° 0.1 mm 4
3 Sept. Cloudy
Cloudy
 17° /10° 0 mm 4
4 Sept. Fog
Fog
 18° /11° 0 mm 5
5 Sept. Fog
Fog
 17° /12° 0 mm 4
6 Sept. Fog
Fog
 18° /12° 0 mm 4
7 Sept. Light rain shower
Light rain shower
 15° /11° 1.5 mm 4
8 Sept. Light rain shower
Light rain shower
 14° /10° 4.5 mm 3
9 Sept. Fog
Fog
 14° /9° 1 mm 4
10 Sept. Overcast
Overcast
 15° /10° 0.2 mm 4
11 Sept. Overcast
Overcast
 16° /9° 0.1 mm 4
12 Sept. Overcast
Overcast
 16° /9° 1.2 mm 4
13 Sept. Moderate rain
Moderate rain
 15° /9° 13 mm 3
14 Sept. Fog
Fog
 16° /10° 3.9 mm 4
15 Sept. Overcast
Overcast
 17° /9° 0 mm 5
16 Sept. Sunny
Sunny
 17° /12° 0 mm 1
17 Sept. Partly cloudy
Partly cloudy
 17° /10° 0 mm 1.1
18 Sept. Overcast
Overcast
 18° /9° 0 mm 0.8
19 Sept. Patchy rain possible
Patchy rain possible
 12° /7° 0.3 mm 0.6
20 Sept. Sunny
Sunny
 12° /4° 0 mm 0
21 Sept. Sunny
Sunny
 14° /6° 0 mm 4
22 Sept. Partly cloudy
Partly cloudy
 16° /9° 0 mm 4
23 Sept. Patchy rain possible
Patchy rain possible
 17° /12° 0.2 mm 3
24 Sept. Patchy rain possible
Patchy rain possible
 15° /13° 1.2 mm 3
25 Sept. Patchy rain possible
Patchy rain possible
 15° /10° 0.2 mm 3
26 Sept. Sunny
Sunny
 14° /9° 0 mm 4
27 Sept. Sunny
Sunny
 12° /7° 0 mm 3
28 Sept. Sunny
Sunny
 14° /8° 0 mm 4
29 Sept. Mist
Mist
 14° /7° 0 mm 4
30 Sept. Mist
Mist
 15° /7° 0 mm 4
Next
Important Notice
Our weather forecast for Baie-Comeau 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 Baie-Comeau forecast closer to your planned date for the most up-to-date weather information.
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Baie-Comeau in September - FAQ

What are the expected maximum and minimum temperatures in Baie-Comeau during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Baie-Comeau during September?
Significant rainfall exceeding 219.4 mm is expected in Baie-Comeau during September, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Baie-Comeau during September?
The average wind speed in Baie-Comeau during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Baie-Comeau

Explore the daily rainfall trends and prepare for Baie-Comeaus September weather 💧

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Location coordinates Where is Baie-Comeau?

Get accurate weather forecasts for Baie-Comeau, located at latitude 49.217 and longitude -68.149. Stay updated with localized weather information tailored for Baie-Comeau.

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