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Oslo
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Norway weather

Weather in Oslo for September 2027

Your guide to Oslo weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Oslo at the beginning of September is 17.5 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12 °C by the end of September.

    • Rain 🌧️

  • The climate of Oslo in September is notably wet, with an average of 12 rainy days, and a total of 88.8 mm of precipitation.

    • More

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

Average dry days
18
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/7°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Oslo Weather September

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

Temperatures trend during September in Oslo

See the weather trend as well as the moving average line

September weather in Oslo day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 19° /9° 1.3 mm 3.8
2 Sept. Patchy rain possible
Patchy rain possible
 17° /9° 2 mm 3.7
3 Sept. Patchy rain possible
Patchy rain possible
 15° /9° 1.8 mm 3.7
4 Sept. Light rain
Light rain
 16° /9° 4.1 mm 3
5 Sept. Cloudy
Cloudy
 18° /10° 0.4 mm 3.5
6 Sept. Sunny
Sunny
 19° /9° 0.2 mm 3.4
7 Sept. Partly cloudy
Partly cloudy
 19° /9° 0.9 mm 3.4
8 Sept. Patchy rain possible
Patchy rain possible
 19° /10° 0.3 mm 3.3
9 Sept. Light rain
Light rain
 17° /10° 4 mm 3.2
10 Sept. Patchy rain possible
Patchy rain possible
 17° /9° 2.2 mm 3.1
11 Sept. Light rain
Light rain
 15° /9° 3.5 mm 3
12 Sept. Light rain
Light rain
 14° /8° 6.3 mm 3
13 Sept. Light rain
Light rain
 14° /7° 5.1 mm 2.9
14 Sept. Light rain
Light rain
 13° /6° 3.7 mm 2.8
15 Sept. Light rain
Light rain
 14° /6° 3.4 mm 2.7
16 Sept. Light rain
Light rain
 13° /8° 6.5 mm 2.7
17 Sept. Overcast
Overcast
 13° /6° 0.3 mm 2.6
18 Sept. Light rain
Light rain
 15° /7° 3.8 mm 2.5
19 Sept. Patchy rain possible
Patchy rain possible
 14° /7° 1.7 mm 2.5
20 Sept. Mist
Mist
 14° /6° 0.5 mm 2.4
21 Sept. Patchy rain possible
Patchy rain possible
 15° /8° 2.4 mm 2.3
22 Sept. Light rain
Light rain
 14° /6° 6.3 mm 2.2
23 Sept. Patchy rain possible
Patchy rain possible
 13° /6° 2.4 mm 2.2
24 Sept. Patchy rain possible
Patchy rain possible
 11° /6° 2 mm 2.1
25 Sept. Light rain
Light rain
 13° /6° 3.1 mm 2
26 Sept. Light rain
Light rain
 13° /6° 2.7 mm 2
27 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /6° 7.4 mm 1.9
28 Sept. Light rain
Light rain
 12° /7° 4.6 mm 1.9
29 Sept. Patchy rain possible
Patchy rain possible
 11° /6° 1.5 mm 1.8
30 Sept. Light rain
Light rain
 11° /6° 4.3 mm 1.7
Next
Important Notice
Our weather forecast for Oslo 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 Oslo forecast closer to your planned date for the most up-to-date weather information.
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Oslo in September - FAQ

What are the expected maximum and minimum temperatures in Oslo during September?
During September, expect a variety of temperatures with highs around 15° and lows near 7°, suitable for diverse activities and preferences.

How much rainfall should be expected in Oslo during September?
Moderate rainfall is anticipated in Oslo during September, with a total of 88.8 mm spread over approximately 12 days. Considering plans for rainy days is advisable.

Will it snow in Oslo in September 2027?
Oslo typically sees 0 cm of snowfall during September.

What are the typical wind conditions in Oslo during September?
The average wind speed in Oslo during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Oslo

Explore the daily rainfall trends and prepare for Oslos September weather 💧
Typically, Oslo has 12 rainy days in September with a total of 88.8 mm of rainfall.
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Location coordinates Where is Oslo?

Get accurate weather forecasts for Oslo, located at latitude 59.913 and longitude 10.746. Stay updated with localized weather information tailored for Oslo.

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