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Weather in Namur for September 2026

Your guide to Namur weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Namur is slightly cooler than the historical average by 1.1 °C.

  • The forecast for the next days in Namur predicts a temperature of 18.2 °C, which is cooler than the historical average.

  • In general, the average temperature in Namur at the beginning of September is 24.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.7 °C by the end of September.

    • Rain 🌧️

  • The climate of Namur in September is notably wet, with an average of 13 rainy days, and a total of 70.7 mm of precipitation.

Average dry days
17
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/11°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Namur Weather September

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

Temperatures trend during September in Namur

See the weather trend as well as the moving average line

September weather in Namur day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Overcast
Overcast
 24° /13° 4.2 mm 5
2 Sept. Sunny
Sunny
 24° /13° 1.2 mm 5
3 Sept. Light rain shower
Light rain shower
 23° /13° 1.3 mm 5
4 Sept. Partly cloudy
Partly cloudy
 24° /13° 1.5 mm 5
5 Sept. Moderate rain at times
Moderate rain at times
 24° /12° 2.9 mm 5
6 Sept. Partly cloudy
Partly cloudy
 25° /12° 2.4 mm 5
7 Sept. Sunny
Sunny
 28° /13° 1.6 mm 6
8 Sept. Patchy rain possible
Patchy rain possible
 25° /14° 2.3 mm 5
9 Sept. Moderate rain at times
Moderate rain at times
 20° /12° 3.3 mm 4
10 Sept. Cloudy
Cloudy
 22° /12° 3.1 mm 5
11 Sept. Patchy rain possible
Patchy rain possible
 21° /11° 3.5 mm 4
12 Sept. Patchy rain possible
Patchy rain possible
 21° /10° 0.2 mm 5
13 Sept. Partly cloudy
Partly cloudy
 19° /11° 4.3 mm 4
14 Sept. Patchy rain possible
Patchy rain possible
 20° /11° 5.1 mm 4
15 Sept. Heavy rain at times
Heavy rain at times
 22° /11° 1.4 mm 5
16 Sept. Overcast
Overcast
 19° /12° 1.1 mm 3.6
17 Sept. Overcast
Overcast
 18° /11° 0.1 mm 3.1
18 Sept. Overcast
Overcast
 20° /10° 0 mm 3.9
19 Sept. Overcast
Overcast
 22° /14° 0 mm 1.8
20 Sept. Overcast
Overcast
 21° /11° 0.3 mm 5
21 Sept. Overcast
Overcast
 20° /10° 0 mm 6
22 Sept. Sunny
Sunny
 20° /13° 0.6 mm 5
23 Sept. Mist
Mist
 21° /12° 0 mm 6
24 Sept. Overcast
Overcast
 20° /14° 0 mm 5
25 Sept. Overcast
Overcast
 17° /8° 0 mm 5
26 Sept. Sunny
Sunny
 14° /6° 0 mm 4
27 Sept. Sunny
Sunny
 15° /6° 0 mm 5
28 Sept. Overcast
Overcast
 15° /7° 0 mm 4
29 Sept. Overcast
Overcast
 13° /8° 2.1 mm 4
30 Sept. Sunny
Sunny
 16° /6° 0.6 mm 4
Next
Important Notice
Our weather forecast for Namur 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 Namur forecast closer to your planned date for the most up-to-date weather information.
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Namur in September - FAQ

What are the expected maximum and minimum temperatures in Namur during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Namur during September?
Moderate rainfall is anticipated in Namur during September, with a total of 70.7 mm spread over approximately 13 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Namur during September?
The average wind speed in Namur during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Namur

Explore the daily rainfall trends and prepare for Namurs September weather 💧
Typically, Namur has 13 rainy days in September with a total of 70.7 mm of rainfall.

UV exposure in Namur during September

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

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Location coordinates Where is Namur?

Get accurate weather forecasts for Namur, located at latitude 50.467 and longitude 4.867. Stay updated with localized weather information tailored for Namur.

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