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Weather in Trondheim for September 2024

Your guide to Trondheim weather in September - trends and predictions

  • So far, September 2024 in Trondheim is slightly warmer than the historical average by 0.8 °C.

  • Expect cooler weather in the next days in Trondheim with the forecast suggesting a temperature of 10.1 °C, lower than the historical average.

  • In general, the average temperature in Trondheim at the beginning of September is 17.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 9.1 °C by the end of September.

  • Trondheim experiences an exceptionally high level of rainfall in September, with more than 20 rainy days on average.

  • Is September a good time to visit Trondheim? check out the best time to travel to Trondheim page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
8
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
14°/8°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Trondheim in September average weather

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

See the weather trend as well as the moving average line
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September weather day by day

Click on a date for more information
August October
Date Weather Temperatures Rain Snow More
1 Sept. Mist
Mist
 16° /6° 0.3 mm 0 cm
2 Sept. Cloudy
Cloudy
 16° /7° 0.1 mm 0 cm
3 Sept. Light drizzle
Light drizzle
 14° /7° 0.8 mm 0 cm
4 Sept. Light rain shower
Light rain shower
 17° /11° 9.3 mm 0 cm
5 Sept. Light rain shower
Light rain shower
 17° /10° 11.1 mm 0 cm
6 Sept. Overcast
Overcast
 20° /10° 0.5 mm 0 cm
7 Sept. Overcast
Overcast
 22° /11° 0 mm 0 cm
8 Sept. Overcast
Overcast
 21° /11° 0.1 mm 0 cm
9 Sept. Partly cloudy
Partly cloudy
 21° /9° 6.3 mm 0 cm
10 Sept. Light rain shower
Light rain shower
 11° /9° 15.9 mm 0 cm
11 Sept. Light rain shower
Light rain shower
 18° /8° 4.5 mm 0 cm
12 Sept. Partly cloudy
Partly cloudy
 13° /6° 4.4 mm 0 cm
13 Sept. Overcast
Overcast
 11° /4° 0.2 mm 0 cm
14 Sept. Overcast
Overcast
 13° /2° 0 mm 0 cm
15 Sept. Partly cloudy
Partly cloudy
 16° /4° 0 mm 0 cm
16 Sept. Light rain shower
Light rain shower
 12° /5° 1.5 mm 0 cm
17 Sept. Partly cloudy
Partly cloudy
 14° /6° 0.5 mm 0 cm
18 Sept. Partly cloudy
Partly cloudy
 18° /7° 0.2 mm 0 cm
19 Sept. Sunny
Sunny
 16° /11° 0 mm 0 cm
20 Sept. Patchy rain possible
Patchy rain possible
 14° /9° 0.1 mm 0 cm
21 Sept. Sunny
Sunny
 11° /6° 0 mm 0 cm
22 Sept. Partly cloudy
Partly cloudy
 10° /6° 0 mm 0 cm
23 Sept. Partly cloudy
Partly cloudy
 13° /8° 0 mm 0 cm
24 Sept. Moderate rain
Moderate rain
 16° /10° 5.2 mm 0 cm
25 Sept. Patchy rain possible
Patchy rain possible
 11° /6° 4.8 mm 0 cm
26 Sept. Patchy rain possible
Patchy rain possible
 11° /7° 0.1 mm 0 cm
27 Sept. Moderate rain
Moderate rain
 6° /5° 5.8 mm 0 cm
28 Sept. Patchy rain possible
Patchy rain possible
 8° /6° 4.8 mm 0 cm
29 Sept. Patchy rain possible
Patchy rain possible
 6° /5° 2.1 mm 0 cm
30 Sept. Patchy rain possible
Patchy rain possible
 6° /3° 2.7 mm 0.2 cm
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Important Notice
Our weather forecast for Trondheim 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 Trondheim forecast closer to your planned date for the most up-to-date weather information.

Trondheim in September - FAQ

What are the expected maximum and minimum temperatures in Trondheim during September?
During September, expect a variety of temperatures with highs around 14° and lows near 8°, suitable for diverse activities and preferences.
How much rainfall should be expected in Trondheim during September?
Significant rainfall exceeding 115.9 mm is expected in Trondheim during September, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Trondheim during September?
The average wind speed in Trondheim during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Trondheim in September?

As you prepare for your trip to Trondheim 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 Trondheim, 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

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Location coordinates Where is Trondheim?

Get accurate weather forecasts for Trondheim, located at latitude 63.43 and longitude 10.395. Stay updated with localized weather information tailored for Trondheim.

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