Trøndelag (Trondheim)
September
Weather in Trøndelag for September 2027
Your guide to Trøndelag weather in September - trends and predictions
In general, the average temperature in Trøndelag at the beginning of September is 16.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 11.7 °C by the end of September.
The climate of Trøndelag in September is notably wet, with an average of 15 rainy days, and a total of 116.9 mm of precipitation.
Is September a good time to visit Trøndelag? check out the best time to travel to Trøndelag page.
Temperatures
Rain 🌧️
More
15
Dry days
15
Rainy days
0
Snow days
14°/7°
Temperatures
14 km/h
Avg max wind
80 %
Avg humidity
Trøndelag Weather September
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What’s the Weather Like in Trøndelag This September?
Discover the average temperatures and weather trends across Trøndelag’s cities this September.
Temperatures trend during September in Trøndelag
See the weather trend as well as the moving average line
September weather in Trøndelag day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. |  Mist | 17° /7° | 0.2 mm | 0 cm | |
| 2 Sept. |  Patchy rain possible | 16° /8° | 1 mm | 0 cm | |
| 3 Sept. |  Light drizzle | 14° /8° | 1.4 mm | 0 cm | |
| 4 Sept. | Light rain | 18° /10° | 4.7 mm | 0 cm | |
| 5 Sept. | Light rain | 17° /10° | 6 mm | 0 cm | |
| 6 Sept. | Patchy rain possible | 16° /9° | 2.4 mm | 0 cm | |
| 7 Sept. | Light rain | 19° /10° | 4.5 mm | 0 cm | |
| 8 Sept. | Light rain | 19° /10° | 3.2 mm | 0 cm | |
| 9 Sept. | Light rain | 18° /9° | 5.8 mm | 0 cm | |
| 10 Sept. | Light rain | 14° /9° | 8.5 mm | 0 cm | |
| 11 Sept. | Light rain | 18° /8° | 2.7 mm | 0 cm | |
| 12 Sept. | Light rain | 15° /8° | 2.9 mm | 0 cm | |
| 13 Sept. |  Overcast | 13° /6° | 0.9 mm | 0 cm | |
| 14 Sept. | Overcast | 14° /5° | 0 mm | 0 cm | |
| 15 Sept. | Patchy rain possible | 15° /5° | 1.1 mm | 0 cm | |
| 16 Sept. | Light rain | 12° /7° | 3.5 mm | 0 cm | |
| 17 Sept. | Light rain | 13° /7° | 4.2 mm | 0 cm | |
| 18 Sept. |  Partly cloudy | 16° /7° | 0.4 mm | 0 cm | |
| 19 Sept. | Light rain | 15° /8° | 5.1 mm | 0 cm | |
| 20 Sept. | Light rain | 13° /7° | 4.5 mm | 0 cm | |
| 21 Sept. | Light rain | 12° /7° | 8.8 mm | 0 cm | |
| 22 Sept. |  Moderate rain | 11° /7° | 11.5 mm | 0 cm | |
| 23 Sept. | Light rain | 10° /7° | 7 mm | 0 cm | |
| 24 Sept. | Light rain | 10° /5° | 2.5 mm | 0 cm | |
| 25 Sept. | Light rain | 12° /5° | 7.7 mm | 0 cm | |
| 26 Sept. | Patchy rain possible | 13° /6° | 1.6 mm | 0 cm | |
| 27 Sept. | Light rain shower | 13° /5° | 2.3 mm | 0 cm | |
| 28 Sept. | Light rain | 12° /6° | 7.7 mm | 0.6 cm | |
| 29 Sept. | Light rain | 11° /6° | 3.2 mm | 0 cm | |
| 30 Sept. | Patchy rain possible | 12° /6° | 1.5 mm | 0 cm | |
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Important Notice
Our weather forecast for Trøndelag 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 Trøndelag forecast closer to your planned date for the most up-to-date weather information.
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Trøndelag in September - FAQ
What are the expected maximum and minimum temperatures in Trøndelag during September?
During September, expect a variety of temperatures with highs around 14° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Trøndelag during September?
Significant rainfall exceeding 116.9 mm is expected in Trøndelag during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Trøndelag in September 2027?
Trøndelag typically sees 0.6 cm of snowfall during September.
What are the typical wind conditions in Trøndelag during September?
The average wind speed in Trøndelag during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
Trøndelag snow forecast September 2027
Track daily snowfall levels and discover Trøndelag’s snowy potential this September ❄️
September rainfall patterns in Trøndelag
Explore the daily rainfall trends and prepare for Trøndelags September weather 💧
Typically, Trøndelag has 15 rainy days in September with a total of 116.9 mm of rainfall.
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