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Norway weather

Weather in Vestfold og Telemark for September 2025

Your guide to Vestfold og Telemark weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Flom - See hour by hour.

    • Snow Forecast ❄️

  • Snowfall in Vestfold og Telemark during September is quite rare, with fewer than 2 snowy days on average.
    According to Vestfold og Telemark snow forecast for September 2025, 3 snowy days are expected until the end of the month. The closest date with snow is Thursday, 25 September.

    • Temperatures

  • Until now, September 2025 in Vestfold og Telemark is slightly cooler than the historical average by -1.9 °C.

  • The forecast for the next days in Vestfold og Telemark predicts a temperature of 5.7 °C, which is cooler than the historical average.

  • In general, the average temperature in Vestfold og Telemark at the beginning of September is 13.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 2.7 °C by the end of September.

    • Rain 🌧️

  • The climate of Vestfold og Telemark in September is notably wet, with an average of 15 rainy days, and a total of 112.3 mm of precipitation.

Average dry days
14
Dry days
Average rainy days
15
Rainy days
Average snowy days
1
Snow days
Average temperatures
11°/4°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Vestfold og Telemark Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Overcast
14°
2
Sunny
13°
3
Overcast
10°
4
Cloudy
12°
5
Cloudy
15°
6
Overcast
16°
7
Sunny
17°
8
Sunny
15°
9
Light rain shower
15°
10
Partly cloudy
12°
11
Light rain shower
10°
12
Sunny
8°
13
Partly cloudy
8°
14
Mist
8°
15
Fog
9°
16
Weather Alert Patchy rain possible
8°
17
Weather Alert Sunny
11°
18
Partly cloudy
11°
19
Patchy rain possible
12°
20
Patchy rain possible
9°
21
Sunny
7°
22
Partly cloudy
5°
23
Patchy rain possible
5°
24
Patchy rain possible
4°
25
Heavy snow
1°
26
Light snow
-0°
27
Fog
2°
28
Sunny
2°
29
Partly cloudy
3°
30
Patchy rain possible
7°

Temperatures trend during September in Vestfold og Telemark

See the weather trend as well as the moving average line

September weather in Vestfold og Telemark day by day

Click on a date for more information
August October
Date Weather Temperatures Rain Snow More
1 Sept. Overcast
Overcast
 14° /6° 6.5 mm 0 cm
2 Sept. Sunny
Sunny
 13° /6° 1 mm 0 cm
3 Sept. Overcast
Overcast
 10° /6° 10.6 mm 0 cm
4 Sept. Cloudy
Cloudy
 12° /7° 12.2 mm 0 cm
5 Sept. Cloudy
Cloudy
 15° /6° 1.8 mm 0 cm
6 Sept. Overcast
Overcast
 16° /6° 1.1 mm 0 cm
7 Sept. Sunny
Sunny
 17° /6° 0 mm 0 cm
8 Sept. Sunny
Sunny
 15° /7° 1 mm 0 cm
9 Sept. Light rain shower
Light rain shower
 15° /7° 1.1 mm 0 cm
10 Sept. Partly cloudy
Partly cloudy
 12° /5° 2 mm 0 cm
11 Sept. Light rain shower
Light rain shower
 10° /4° 6.6 mm 0.3 cm
12 Sept. Sunny
Sunny
 8° /0° 2.6 mm 0 cm
13 Sept. Partly cloudy
Partly cloudy
 8° /0° 1.1 mm 0 cm
14 Sept. Mist
Mist
 8° /1° 2 mm 0 cm
15 Sept. Fog
Fog
 9° /3° 2.4 mm 0 cm
16 Sept. Patchy rain possible
Patchy rain possible
 8° /4° 1.9 mm 0 cm
17 Sept. Sunny
Sunny
 11° /3° 0 mm 0 cm
18 Sept. Partly cloudy
Partly cloudy
 11° /4° 0 mm 0 cm
19 Sept. Patchy rain possible
Patchy rain possible
 12° /4° 0.4 mm 0 cm
20 Sept. Patchy rain possible
Patchy rain possible
 9° /1° 0.2 mm 0 cm
21 Sept. Sunny
Sunny
 7° /0° 0 mm 0 cm
22 Sept. Partly cloudy
Partly cloudy
 5° /-1° 0.1 mm 0 cm
23 Sept. Patchy rain possible
Patchy rain possible
 5° /-2° 0.1 mm 0 cm
24 Sept. Patchy rain possible
Patchy rain possible
 4° /0° 0.1 mm 0 cm
25 Sept. Heavy snow
Heavy snow
 1° /-1° 8.4 mm 5.2 cm
26 Sept. Light snow
Light snow
 0° /-3° 0.5 mm 0.3 cm
27 Sept. Fog
Fog
 2° /-4° 0.1 mm 0.1 cm
28 Sept. Sunny
Sunny
 2° /-4° 0 mm 0 cm
29 Sept. Partly cloudy
Partly cloudy
 3° /-3° 0 mm 0 cm
30 Sept. Patchy rain possible
Patchy rain possible
 7° /1° 0.2 mm 0 cm
Next
Important Notice
Our weather forecast for Vestfold og Telemark 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 Vestfold og Telemark forecast closer to your planned date for the most up-to-date weather information.
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Vestfold og Telemark in September - FAQ

What are the expected maximum and minimum temperatures in Vestfold og Telemark during September?
Prepare for cooler days with highs just around 11° and colder nights, dipping below 4°.
How much rainfall should be expected in Vestfold og Telemark during September?
Significant rainfall exceeding 112.3 mm is expected in Vestfold og Telemark during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Vestfold og Telemark in September 2025?
Vestfold og Telemark typically sees 0.475 cm of snowfall during September.
What are the typical wind conditions in Vestfold og Telemark during September?
The average wind speed in Vestfold og Telemark during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

Vestfold og Telemark snow forecast September 2025

Track daily snowfall levels and discover Vestfold og Telemark’s snowy potential this September ❄️

September rainfall patterns in Vestfold og Telemark

Explore the daily rainfall trends and prepare for Vestfold og Telemarks September weather 💧
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Location coordinates Where is Vestfold og Telemark?

Get accurate weather forecasts for Vestfold og Telemark, located at latitude 59.879 and longitude 8.594. Stay updated with localized weather information tailored for Vestfold og Telemark.

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