Measurements:
°C
°F
CURRENT WEATHER
00:36
Oslo
50°F
NE 2 mph
Feels like: 50°F
Precip: 42%
World Resorts Norway Oslo Weather

7 Day Weather Forecast

09.29
tue
DAY
58°F
SW 3 mph
precip
6%
NIGHT
46°F
SW 4 mph
precip
13%
09.30
wed
DAY
56°F
W 4 mph
precip
29%
NIGHT
52°F
SW 4 mph
precip
38%
10.01
thu
DAY
56°F
W 4 mph
precip
20%
NIGHT
52°F
E 0 mph
precip
30%
10.02
fri
DAY
54°F
N 4 mph
precip
38%
NIGHT
52°F
N 6 mph
precip
35%
10.03
sat
DAY
54°F
NE 4 mph
precip
18%
NIGHT
48°F
N 6 mph
precip
42%
10.04
sun
DAY
54°F
N 7 mph
precip
7%
NIGHT
46°F
NW 1 mph
precip
38%
10.05
mon
DAY
52°F
SW 2 mph
precip
27%
NIGHT
50°F
S 4 mph
precip
23%

Oslo Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Oslo was 16.1°F. The maximum and minimum values were 14.7°F and 17.7°F respectively.

Oslo on the Weather Map

Best Time to Visit Oslo
The most sunny months:
June 11 days
May 11 days
July 11 days
The most warm months:
July 70.7 °F
August 67.2 °F
June 66.5 °F
Warmest sea temperature:
July 67.5 °F
August 66.7 °F
June 61.5 °F
The most cold months:
January 21.9 °F
February 26.1 °F
December 26.7 °F
The most rainy months:
August 6 days
May 5 days
June 5 days
The most windy months:
May 6 mph
June 6 mph
April 6 mph
more details