Fredrikstad
September
Weather in Fredrikstad for September 2025
Your guide to Fredrikstad weather in September - trends and predictions
In general, the average temperature in Fredrikstad at the beginning of September is 20.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.7 °C by the end of September.
The climate of Fredrikstad in September is notably wet, with an average of 13 rainy days.
Is September a good time to visit Fredrikstad? check out the best time to travel to Fredrikstad page.
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17
Dry days
13
Rainy days
0
Snow days
17°/12°
Temperatures
24 km/h
Avg max wind
82 %
Avg humidity
Fredrikstad in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  19° | 2  17° | 3  18° | 4 22° | 5 24° | 6 22° | 7  21° |
| 8  20° | 9 18° | 10 18° | 11 16° | 12  17° | 13 16° | 14 15° |
| 15 15° | 16  16° | 17 16° | 18 18° | 19 17° | 20 17° | 21 17° |
| 22 16° | 23 16° | 24 15° | 25 15° | 26 14° | 27  12° | 28 14° |
| 29 12° | 30 14° |
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Temperatures trend during September in Fredrikstad
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. | Overcast | 19° /12° | 0 mm | 5 | |
| 2 Sept. | Sunny | 17° /11° | 2.8 mm | 4 | |
| 3 Sept. | Patchy rain possible | 18° /12° | 0.3 mm | 4 | |
| 4 Sept. | Sunny | 22° /14° | 2 mm | 6 | |
| 5 Sept. | Sunny | 24° /14° | 0 mm | 7 | |
| 6 Sept. | Patchy rain possible | 22° /13° | 0.1 mm | 5 | |
| 7 Sept. | Mist | 21° /13° | 0 mm | 5 | |
| 8 Sept. | Partly cloudy | 20° /15° | 0 mm | 5 | |
| 9 Sept. | Overcast | 18° /14° | 4.3 mm | 4 | |
| 10 Sept. | Mist | 18° /13° | 4.2 mm | 5 | |
| 11 Sept. | Light rain shower | 16° /13° | 4.7 mm | 4 | |
| 12 Sept. | Cloudy | 17° /11° | 1.3 mm | 4 | |
| 13 Sept. | Cloudy | 16° /8° | 0 mm | 4 | |
| 14 Sept. | Overcast | 15° /6° | 0 mm | 5 | |
| 15 Sept. | Overcast | 15° /11° | 0.4 mm | 4 | |
| 16 Sept. | Light drizzle | 16° /10° | 1.4 mm | 4 | |
| 17 Sept. | Partly cloudy | 16° /9° | 0 mm | 5 | |
| 18 Sept. | Light rain shower | 18° /11° | 3.5 mm | 5 | |
| 19 Sept. | Light rain shower | 17° /11° | 4.8 mm | 5 | |
| 20 Sept. | Light rain shower | 17° /11° | 1.2 mm | 5 | |
| 21 Sept. | Light drizzle | 17° /14° | 1.2 mm | 5 | |
| 22 Sept. | Light rain shower | 16° /12° | 8.6 mm | 4 | |
| 23 Sept. | Patchy rain possible | 16° /11° | 1.1 mm | 4 | |
| 24 Sept. | Overcast | 15° /10° | 6 mm | 4 | |
| 25 Sept. | Light rain | 15° /13° | 3.2 mm | 4 | |
| 26 Sept. | Patchy rain possible | 14° /10° | 0.2 mm | 4 | |
| 27 Sept. | Moderate or heavy rain with thunder | 12° /9° | 7.5 mm | 3 | |
| 28 Sept. | Patchy rain possible | 14° /8° | 0.7 mm | 4 | |
| 29 Sept. | Light drizzle | 12° /8° | 0.7 mm | 4 | |
| 30 Sept. | Partly cloudy | 14° /10° | 1.9 mm | 4 | |
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Important Notice
Our weather forecast for Fredrikstad 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 Fredrikstad forecast closer to your planned date for the most up-to-date weather information.
Fredrikstad in September - FAQ
What are the expected maximum and minimum temperatures in Fredrikstad during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Fredrikstad during September?
Moderate rainfall is anticipated in Fredrikstad during September, with a total of 51 mm spread over approximately 13 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Fredrikstad during September?
The average wind speed in Fredrikstad during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Fredrikstad in September?
As you prepare for your trip to Fredrikstad 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 Fredrikstad, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- 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
September rainfall patterns in Fredrikstad
Explore the daily rainfall trends and prepare for Fredrikstads September weather 💧
UV exposure in Fredrikstad during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Fredrikstad?Get accurate weather forecasts for Fredrikstad, located at latitude 59.218 and longitude 10.93. Stay updated with localized weather information tailored for Fredrikstad.
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