World Resorts Norway Oslo Weather

Oslo 7 Days Forecast

15.09
tue
Day
55°F
N 9 mph
Precip.
52%
Night
55°F
N 8 mph
Precip.
35%
16.09
wed
Day
54°F
SE 4 mph
Precip.
14%
Night
48°F
E 2 mph
Precip.
28%
17.09
thu
Day
54°F
N 4 mph
Precip.
23%
Night
48°F
N 2 mph
Precip.
38%
18.09
fri
Day
55°F
N 1 mph
Precip.
20%
Night
45°F
NE 4 mph
Precip.
29%
19.09
sat
Day
52°F
N 6 mph
Precip.
12%
Night
46°F
NE 6 mph
Precip.
8%
20.09
sun
Day
55°F
NE 10 mph
Precip.
3%
Night
46°F
NE 7 mph
Precip.
6%
21.09
mon
Day
54°F
E 4 mph
Precip.
11%
Night
45°F
E 2 mph
Precip.
15%

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 62.0°F. The highest and lowest sea temperatures during the month were 63.9°F and 60.1°F.

Air temperature in Oslo, °F

Precipitation total in Oslo, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Oslo

Sunniest months:
June 11 days
May 11 days
July 11 days
Warmest months:
July 68.6 °F
August 65.5 °F
June 64.9 °F
Warmest sea temp:
July 65.7 °F
August 65.0 °F
June 60.4 °F
Coldest months:
January 24.7 °F
February 28.5 °F
December 29.0 °F
Rainiest months:
August 6 days
May 5 days
June 5 days
Windiest months:
May 6.3 mph
June 6.1 mph
April 6.0 mph

Oslo on a weather map

Oslo
+57°F
N 8 mph
Feels like: +55°F
Precip.: 36%
Places in Norway:
Name
°F
+59°F
+50°F
+54°F
+57°F
+59°F
+52°F
+55°F
+46°F
+41°F
+55°F
24 Hours Forecast
Oslo
Local time: 17:44
September 15, tuesday
1800
57°F
N
8 mph
2100
57°F
N
7 mph
September 16, wednesday
0000
55°F
N
8 mph
0300
52°F
N
7 mph
0600
46°F
N
5 mph
0900
50°F
NE
3 mph
1200
54°F
SE
4 mph
1500
59°F
SE
7 mph
Units of measurement: °C / °F