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Weather in Svalbard for September 2025

Your guide to Svalbard weather in September - trends and predictions

    Snow Forecast ❄️

  • The climate of Svalbard in September is quite snowy, averaging 11 snowy days.
    According to Svalbard snow forecast for September 2025, 4 snowy days are expected until the end of the month. The closest date with snow is Saturday, 20 September.

    • Temperatures

  • So far, September 2025 in Svalbard is slightly warmer than the historical average by 1.8 °C.

  • The forecast for the next days in Svalbard predicts a temperature of -1.1 °C, which is cooler than the historical average.

  • In general, the average temperature in Svalbard at the beginning of September is 6.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of -0.9 °C by the end of September.

Average dry days
13
Dry days
Average rainy days
6
Rainy days
Average snowy days
11
Snow days
Average temperatures
1°/-1°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Svalbard Weather September

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

Temperatures trend during September in Svalbard

See the weather trend as well as the moving average line

September weather in Svalbard day by day

Click on a date for more information
August October
Date Weather Temperatures Rain Snow More
1 Sept. Overcast
Overcast
 7° /4° 0.4 mm 0 cm
2 Sept. Patchy rain possible
Patchy rain possible
 7° /5° 1 mm 0 cm
3 Sept. Sunny
Sunny
 10° /6° 0.1 mm 0 cm
4 Sept. Patchy rain possible
Patchy rain possible
 8° /5° 0.9 mm 0 cm
5 Sept. Patchy rain possible
Patchy rain possible
 8° /3° 1.9 mm 0 cm
6 Sept. Light rain
Light rain
 4° /3° 7.5 mm 0 cm
7 Sept. Light freezing rain
Light freezing rain
 3° /1° 3.6 mm 0.1 cm
8 Sept. Moderate or heavy snow showers
Moderate or heavy snow showers
 4° /2° 2.9 mm 0.6 cm
9 Sept. Overcast
Overcast
 6° /3° 0.1 mm 0 cm
10 Sept. Light snow showers
Light snow showers
 4° /2° 1.8 mm 0.3 cm
11 Sept. Moderate or heavy snow showers
Moderate or heavy snow showers
 3° /1° 1 mm 0.8 cm
12 Sept. Partly cloudy
Partly cloudy
 4° /1° 0.2 mm 0 cm
13 Sept. Patchy rain possible
Patchy rain possible
 3° /1° 1.1 mm 0 cm
14 Sept. Overcast
Overcast
 3° /1° 1.6 mm 0 cm
15 Sept. Overcast
Overcast
 3° /1° 1.9 mm 0 cm
16 Sept. Moderate or heavy snow showers
Moderate or heavy snow showers
 3° /0° 2.8 mm 1.1 cm
17 Sept. Sunny
Sunny
 -1° /-3° 0 mm 0 cm
18 Sept. Sunny
Sunny
 -1° /-3° 0 mm 0 cm
19 Sept. Sunny
Sunny
 -1° /-4° 0 mm 0 cm
20 Sept. Moderate snow
Moderate snow
 -1° /-4° 0.7 mm 0.5 cm
21 Sept. Partly cloudy
Partly cloudy
 -1° /-4° 0 mm 0 cm
22 Sept. Sunny
Sunny
 -2° /-4° 0 mm 0 cm
23 Sept. Overcast
Overcast
 -3° /-5° 0 mm 0 cm
24 Sept. Partly cloudy
Partly cloudy
 -4° /-6° 0 mm 0 cm
25 Sept. Partly cloudy
Partly cloudy
 -4° /-6° 0 mm 0 cm
26 Sept. Partly cloudy
Partly cloudy
 -2° /-5° 0.1 mm 0.1 cm
27 Sept. Patchy rain possible
Patchy rain possible
 2° /-1° 4.4 mm 0.9 cm
28 Sept. Overcast
Overcast
 1° /-1° 0 mm 0 cm
29 Sept. Patchy rain possible
Patchy rain possible
 3° /-1° 0.2 mm 0 cm
30 Sept. Partly cloudy
Partly cloudy
 -2° /-4° 0.7 mm 0.6 cm
Next
Important Notice
Our weather forecast for Svalbard 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 forecast closer to your planned date for the most up-to-date weather information.
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Svalbard in September - FAQ

What are the expected maximum and minimum temperatures in Svalbard during September?
Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Svalbard during September?
In September, Svalbard can expect light to moderate rainfall, totaling 31.1 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Svalbard in September 2025?
Svalbard experiences an average snowfall of 8.5 cm during September, occurring over 11 days.
What are the typical wind conditions in Svalbard during September?
The average wind speed in Svalbard during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

Svalbard snow forecast September 2025

Track daily snowfall levels and discover Svalbard’s snowy potential this September ❄️

September rainfall patterns in Svalbard

Explore the daily rainfall trends and prepare for Svalbards September weather 💧
Provinces in Svalbard
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Spitsbergen
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Longyearbyen
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Location coordinates Where is Svalbard?

Get accurate weather forecasts for Svalbard, located at latitude 78.223 and longitude 15.647. Stay updated with localized weather information tailored for Svalbard.

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