Weather in Denmark for September 2025
In general, the average temperature in Denmark at the beginning of September is 22.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.7 °C by the end of September.
Denmark sees moderate rainfall in September, averaging 6 rainy days.
Is September a good time to visit Denmark? check out the best time to travel to Denmark page.
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Denmark in September average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  20° | 2  20° | 3  21° | 4 24° | 5 25° | 6  24° | 7 23° |
| 8 25° | 9 23° | 10 20° | 11 20° | 12 18° | 13  15° | 14 17° |
| 15 18° | 16 19° | 17 21° | 18 22° | 19 20° | 20  21° | 21 21° |
| 22 19° | 23 18° | 24 17° | 25 17° | 26 17° | 27 18° | 28 18° |
| 29 15° | 30 15° |
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Temperatures trend during September in Denmark
September weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy rain possible | 20° /13° | 0.8 mm | 5 | |
| 2 Sept. | Sunny | 20° /13° | 0 mm | 6 | |
| 3 Sept. | Overcast | 21° /15° | 0 mm | 5 | |
| 4 Sept. | Sunny | 24° /16° | 0.4 mm | 6 | |
| 5 Sept. | Sunny | 25° /16° | 0 mm | 7 | |
| 6 Sept. | Partly cloudy | 24° /16° | 0 mm | 7 | |
| 7 Sept. | Sunny | 23° /16° | 0 mm | 6 | |
| 8 Sept. | Sunny | 25° /17° | 0.5 mm | 6 | |
| 9 Sept. | Overcast | 23° /16° | 5 mm | 5 | |
| 10 Sept. | Sunny | 20° /14° | 3.3 mm | 5 | |
| 11 Sept. | Sunny | 20° /13° | 10.2 mm | 5 | |
| 12 Sept. | Overcast | 18° /12° | 1.6 mm | 5 | |
| 13 Sept. | Cloudy | 15° /11° | 0.1 mm | 4 | |
| 14 Sept. | Overcast | 17° /11° | 0 mm | 5 | |
| 15 Sept. | Partly cloudy | 18° /11° | 0 mm | 5 | |
| 16 Sept. | Sunny | 19° /14° | 0.3 mm | 5 | |
| 17 Sept. | Partly cloudy | 21° /14° | 0 mm | 6 | |
| 18 Sept. | Cloudy | 22° /15° | 0 mm | 6 | |
| 19 Sept. | Light rain shower | 20° /14° | 0.6 mm | 5 | |
| 20 Sept. | Light rain | 21° /15° | 1.2 mm | 5 | |
| 21 Sept. | Sunny | 21° /15° | 0 mm | 6 | |
| 22 Sept. | Light rain | 19° /14° | 1.1 mm | 5 | |
| 23 Sept. | Light rain shower | 18° /13° | 2.3 mm | 5 | |
| 24 Sept. | Patchy rain possible | 17° /12° | 2.4 mm | 4 | |
| 25 Sept. | Overcast | 17° /13° | 1.7 mm | 4 | |
| 26 Sept. | Overcast | 17° /12° | 4.9 mm | 4 | |
| 27 Sept. | Partly cloudy | 18° /13° | 4.6 mm | 5 | |
| 28 Sept. | Cloudy | 18° /12° | 0.4 mm | 4 | |
| 29 Sept. | Light rain | 15° /12° | 1.7 mm | 4 | |
| 30 Sept. | Patchy rain possible | 15° /11° | 0.2 mm | 4 | |
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Guide for Denmark in September
In Denmark, September marks the transition from summer to autumn, bringing about noticeable changes in the weather. At the beginning of the month, the weather in Denmark is generally mild and pleasant, with average temperatures ranging from 14° in the daytime to 10° at night.
The early days of September often see lingering warmth from the summer months, with occasional showers and a mix of sun and clouds.
As the month progresses, Denmark experiences a gradual drop in temperatures, particularly towards the end of September. By this time, the average daytime temperatures decrease to around 12°, and the nights become cooler, with temperatures dropping to around 8°.
The weather becomes more unpredictable, with an increased chance of rain and gusty winds as autumn takes hold.
Overall, September in Denmark offers a mix of transitional weather, with the gradual shift from summer to autumn becoming more apparent as the month progresses.
Travelers visiting Denmark during this time should be prepared for varying conditions and may want to pack layers to accommodate the changing temperatures and weather patterns.
Denmark in September - FAQ
What to pack to Denmark in September?
As you prepare for your trip to Denmark in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Denmark, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
Quick links
Where is Denmark?Get accurate weather forecasts for Denmark, located at latitude 55.676 and longitude 12.566. Stay updated with localized weather information tailored for Denmark.