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Weather in Kristiansand for September 2025

Your guide to Kristiansand weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Flom - See hour by hour.

    • Temperatures

  • Until now, September 2025 in Kristiansand has been significantly cooler than historical averages by -2 °C, with average temperature of 15.6 °C.

  • Expect cooler weather in the next days in Kristiansand with the forecast suggesting a temperature of 15.2 °C, lower than the historical average.

  • In general, the average temperature in Kristiansand at the beginning of September is 18.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.1 °C by the end of September.

    • Rain 🌧️

  • Kristiansand in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 108.3 mm.

Average dry days
12
Dry days
Average rainy days
18
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/11°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Kristiansand Weather September

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

Temperatures trend during September in Kristiansand

See the weather trend as well as the moving average line

September weather in Kristiansand day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 18° /11° 9.7 mm 5
2 Sept. Sunny
Sunny
 18° /11° 3.9 mm 5
3 Sept. Light rain shower
Light rain shower
 16° /12° 11.5 mm 4
4 Sept. Sunny
Sunny
 19° /13° 2.3 mm 5
5 Sept. Sunny
Sunny
 21° /13° 1.4 mm 5
6 Sept. Sunny
Sunny
 19° /12° 0 mm 5
7 Sept. Overcast
Overcast
 20° /11° 0.1 mm 5
8 Sept. Light rain shower
Light rain shower
 19° /13° 2.4 mm 4
9 Sept. Overcast
Overcast
 18° /13° 1.2 mm 4
10 Sept. Light rain shower
Light rain shower
 18° /12° 8.4 mm 4
11 Sept. Light rain shower
Light rain shower
 16° /11° 9.3 mm 4
12 Sept. Partly cloudy
Partly cloudy
 15° /9° 4.7 mm 4
13 Sept. Sunny
Sunny
 15° /8° 6.7 mm 4
14 Sept. Overcast
Overcast
 15° /8° 3.2 mm 4
15 Sept. Mist
Mist
 16° /10° 0.3 mm 4
16 Sept. Patchy rain possible
Patchy rain possible
 17° /10° 2.3 mm 0.6
17 Sept. Sunny
Sunny
 19° /11° 0 mm 0.7
18 Sept. Patchy rain possible
Patchy rain possible
 17° /11° 1.8 mm 0.6
19 Sept. Patchy rain possible
Patchy rain possible
 17° /13° 2.3 mm 0.7
20 Sept. Patchy rain possible
Patchy rain possible
 14° /10° 2 mm 3
21 Sept. Patchy rain possible
Patchy rain possible
 14° /9° 4.6 mm 3
22 Sept. Partly cloudy
Partly cloudy
 13° /8° 0 mm 3
23 Sept. Sunny
Sunny
 14° /7° 0 mm 4
24 Sept. Patchy rain possible
Patchy rain possible
 14° /9° 0 mm 3
25 Sept. Sunny
Sunny
 14° /7° 0 mm 4
26 Sept. Partly cloudy
Partly cloudy
 15° /8° 0 mm 4
27 Sept. Partly cloudy
Partly cloudy
 14° /10° 0 mm 4
28 Sept. Partly cloudy
Partly cloudy
 15° /10° 0 mm 4
29 Sept. Light rain shower
Light rain shower
 14° /8° 1.3 mm 4
30 Sept. Patchy rain possible
Patchy rain possible
 13° /9° 2.5 mm 3
Next
Important Notice
Our weather forecast for Kristiansand 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 Kristiansand forecast closer to your planned date for the most up-to-date weather information.
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Kristiansand in September - FAQ

What are the expected maximum and minimum temperatures in Kristiansand during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Kristiansand during September?
Significant rainfall exceeding 108.3 mm is expected in Kristiansand during September, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Kristiansand during September?
The average wind speed in Kristiansand during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Kristiansand

Explore the daily rainfall trends and prepare for Kristiansands September weather 💧

UV exposure in Kristiansand during September

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

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Location coordinates Where is Kristiansand?

Get accurate weather forecasts for Kristiansand, located at latitude 58.147 and longitude 7.996. Stay updated with localized weather information tailored for Kristiansand.

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