Agder (Kristiansand)
September
Weather in Agder for September 2025
Your guide to Agder weather in September - trends and predictions
In general, the average temperature in Agder at the beginning of September is 19.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.7 °C by the end of September.
Agder in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 108.3 mm.
Temperatures
Rain 🌧️
12
Dry days
18
Rainy days
0
Snow days
17°/11°
Temperatures
20 km/h
Avg max wind
78 %
Avg humidity
Agder in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  19° | 2  18° | 3  16° | 4 20° | 5 23° | 6 20° | 7 21° |
| 8 20° | 9 19° | 10 19° | 11  16° | 12 16° | 13 16° | 14 14° |
| 15  16° | 16 18° | 17 16° | 18 17° | 19 16° | 20 18° | 21 18° |
| 22 17° | 23 16° | 24 14° | 25 15° | 26 13° | 27 13° | 28 14° |
| 29 14° | 30 13° |
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Temperatures trend during September in Agder
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Partly cloudy | 19° /11° | 0 mm | 5 | |
| 2 Sept. | Sunny | 18° /11° | 0.1 mm | 5 | |
| 3 Sept. | Overcast | 16° /13° | 10.4 mm | 4 | |
| 4 Sept. | Sunny | 20° /14° | 0.9 mm | 5 | |
| 5 Sept. | Sunny | 23° /14° | 0 mm | 6 | |
| 6 Sept. | Sunny | 20° /14° | 0 mm | 6 | |
| 7 Sept. | Sunny | 21° /12° | 0.1 mm | 6 | |
| 8 Sept. | Overcast | 20° /15° | 3 mm | 5 | |
| 9 Sept. | Overcast | 19° /13° | 0.4 mm | 5 | |
| 10 Sept. | Sunny | 19° /12° | 1.9 mm | 5 | |
| 11 Sept. | Light rain shower | 16° /11° | 8.2 mm | 4 | |
| 12 Sept. | Partly cloudy | 16° /8° | 0 mm | 4 | |
| 13 Sept. | Sunny | 16° /8° | 0 mm | 5 | |
| 14 Sept. | Overcast | 14° /7° | 0 mm | 4 | |
| 15 Sept. | Mist | 16° /10° | 0.3 mm | 4 | |
| 16 Sept. | Light rain shower | 18° /11° | 7.6 mm | 4 | |
| 17 Sept. | Sunny | 16° /10° | 0 mm | 5 | |
| 18 Sept. | Light rain shower | 17° /11° | 20.5 mm | 5 | |
| 19 Sept. | Light rain shower | 16° /11° | 7.6 mm | 4 | |
| 20 Sept. | Light rain shower | 18° /11° | 3.4 mm | 5 | |
| 21 Sept. | Light rain shower | 18° /12° | 8.2 mm | 5 | |
| 22 Sept. | Patchy rain possible | 17° /11° | 4.7 mm | 5 | |
| 23 Sept. | Patchy rain possible | 16° /10° | 0.6 mm | 4 | |
| 24 Sept. | Patchy rain possible | 14° /9° | 5 mm | 4 | |
| 25 Sept. | Light rain shower | 15° /10° | 7.9 mm | 4 | |
| 26 Sept. | Patchy rain possible | 13° /9° | 3.5 mm | 4 | |
| 27 Sept. | Light rain shower | 13° /9° | 8.8 mm | 4 | |
| 28 Sept. | Light rain shower | 14° /8° | 1.4 mm | 4 | |
| 29 Sept. | Light rain shower | 14° /8° | 1.3 mm | 4 | |
| 30 Sept. | Patchy rain possible | 13° /9° | 2.5 mm | 3 | |
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Important Notice
Our weather forecast for Agder 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 Agder forecast closer to your planned date for the most up-to-date weather information.
Agder in September - FAQ
What are the expected maximum and minimum temperatures in Agder 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 Agder during September?
Significant rainfall exceeding 108.3 mm is expected in Agder during September, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Agder during September?
The average wind speed in Agder during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Agder
Explore the daily rainfall trends and prepare for Agders September weather 💧
UV exposure in Agder during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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