Svalbard and Jan Mayen (Antarcticøya)
September
Weather in Svalbard and Jan Mayen for September 2025
Your guide to Svalbard and Jan Mayen weather in September - trends and predictions
In general, the average temperature in Svalbard and Jan Mayen at the beginning of September is 5.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of -2.3 °C by the end of September.
Svalbard and Jan Mayen experiences moderate snowfall in September, with an average of 10 snowy days.
Is September a good time to visit Svalbard and Jan Mayen? check out the best time to travel to Svalbard and Jan Mayen page.
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17
Dry days
3
Rainy days
10
Snow days
0°/-3°
Temperatures
13 km/h
Avg max wind
84 %
Avg humidity
Svalbard and Jan Mayen in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  5° | 2  7° | 3  10° | 4 7° | 5 6° | 6  1° | 7  0° |
| 8  0° | 9 2° | 10  1° | 11 1° | 12  2° | 13 2° | 14 3° |
| 15 3° | 16 3° | 17 1° | 18  1° | 19 -0° | 20 -1° | 21 -1° |
| 22 -2° | 23 -3° | 24  -3° | 25 -4° | 26 -3° | 27 -4° | 28 -0° |
| 29  0° | 30 -2° |
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Temperatures trend during September in Svalbard and Jan Mayen
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. | Overcast | 5° /3° | 0 mm | 0 cm | |
| 2 Sept. | Patchy rain possible | 7° /4° | 1.1 mm | 0 cm | |
| 3 Sept. | Sunny | 10° /6° | 0 mm | 0 cm | |
| 4 Sept. | Patchy rain possible | 7° /5° | 0 mm | 0 cm | |
| 5 Sept. | Patchy rain possible | 6° /1° | 1 mm | 0 cm | |
| 6 Sept. | Light rain | 1° /0° | 9.6 mm | 0 cm | |
| 7 Sept. | Light freezing rain | 0° /-1° | 0.2 mm | 0.1 cm | |
| 8 Sept. | Moderate or heavy snow showers | 0° /-2° | 1.4 mm | 1.1 cm | |
| 9 Sept. | Overcast | 2° /0° | 0 mm | 0 cm | |
| 10 Sept. | Light snow showers | 1° /-1° | 0.4 mm | 0.4 cm | |
| 11 Sept. | Moderate or heavy snow showers | 1° /-1° | 1.5 mm | 1.2 cm | |
| 12 Sept. | Cloudy | 2° /0° | 0.2 mm | 0 cm | |
| 13 Sept. | Overcast | 2° /0° | 1.2 mm | 0 cm | |
| 14 Sept. | Overcast | 3° /1° | 2.3 mm | 0 cm | |
| 15 Sept. | Overcast | 3° /1° | 1.5 mm | 0 cm | |
| 16 Sept. | Moderate or heavy snow showers | 3° /0° | 2.8 mm | 1.1 cm | |
| 17 Sept. | Light snow showers | 1° /-1° | 0.3 mm | 0.1 cm | |
| 18 Sept. | Partly cloudy | 1° /-2° | 0.2 mm | 0 cm | |
| 19 Sept. | Partly cloudy | 0° /-4° | 0.6 mm | 0 cm | |
| 20 Sept. | Overcast | -1° /-4° | 0 mm | 0 cm | |
| 21 Sept. | Light freezing rain | -1° /-4° | 0.4 mm | 0.3 cm | |
| 22 Sept. | Light freezing rain | -2° /-6° | 0 mm | 0 cm | |
| 23 Sept. | Sunny | -3° /-6° | 0 mm | 0 cm | |
| 24 Sept. | Moderate snow | -3° /-6° | 0.5 mm | 0.4 cm | |
| 25 Sept. | Partly cloudy | -4° /-6° | 0 mm | 0 cm | |
| 26 Sept. | Sunny | -3° /-6° | 0.4 mm | 0.2 cm | |
| 27 Sept. | Partly cloudy | -4° /-7° | 0 mm | 0 cm | |
| 28 Sept. | Moderate snow | 0° /-6° | 2.6 mm | 1 cm | |
| 29 Sept. | Heavy snow | 0° /-1° | 2.4 mm | 2 cm | |
| 30 Sept. | Partly cloudy | -2° /-4° | 0.7 mm | 0.6 cm | |
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Important Notice
Our weather forecast for Svalbard and Jan Mayen 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 Svalbard and Jan Mayen forecast closer to your planned date for the most up-to-date weather information.
Svalbard and Jan Mayen in September - FAQ
What are the expected maximum and minimum temperatures in Svalbard and Jan Mayen during September?
Brace for cold days with temperatures not exceeding 0° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Svalbard and Jan Mayen during September?
In September, Svalbard and Jan Mayen can expect light to moderate rainfall, totaling 30.3 mm across approximately 3 days. Occasional showers are possible, and planning ahead for them could be helpful.
Is snowfall common in Svalbard and Jan Mayen during September?
Svalbard and Jan Mayen experiences an average snowfall of 13 cm during September, occurring over 10 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Svalbard and Jan Mayen during September?
The average wind speed in Svalbard and Jan Mayen during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Svalbard and Jan Mayen in September?
As you prepare for your trip to Svalbard and Jan Mayen 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 Svalbard and Jan Mayen, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Thermal Wear: Base layers for cold destinations
- All-Weather Jacket: Waterproof and breathable
- Footwear
- Insulated Boots: For snowy and extremely cold temperatures
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
September rainfall patterns in Svalbard and Jan Mayen
Explore the daily rainfall trends and prepare for Svalbard and Jan Mayens September weather 💧
September snowfall in Svalbard and Jan Mayen
Track daily snowfall levels and discover Svalbard and Jan Mayen’s snowy potential this September ❄️
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