World Resorts Finland Oulu Weather

Oulu 7 Days Forecast

15.09
tue
Day
52°F
N 7 mph
Precip.
18%
Night
48°F
NW 10 mph
Precip.
24%
16.09
wed
Day
50°F
NW 17 mph
Precip.
80%
Night
55°F
N 11 mph
Precip.
39%
17.09
thu
Day
52°F
N 7 mph
Precip.
55%
Night
48°F
N 7 mph
Precip.
38%
18.09
fri
Day
48°F
S 6 mph
Precip.
31%
Night
46°F
NW 2 mph
Precip.
32%
19.09
sat
Day
50°F
W 3 mph
Precip.
27%
Night
48°F
E 3 mph
Precip.
14%
20.09
sun
Day
52°F
N 6 mph
Precip.
21%
Night
46°F
SW 6 mph
Precip.
31%
21.09
mon
Day
48°F
S 11 mph
Precip.
6%
Night
46°F
S 12 mph
Precip.
28%

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 56.6°F. The highest and lowest sea temperatures during the month were 61.2°F and 50.0°F.

Air temperature in Oulu, °F

Precipitation total in Oulu, in.

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

Best time for vacation in Oulu

Sunniest months:
July 12 days
June 11 days
May 10 days
Warmest months:
July 66.8 °F
August 63.8 °F
June 59.7 °F
Warmest sea temp:
July 62.7 °F
August 62.0 °F
June 55.2 °F
Coldest months:
January 17.7 °F
February 20.8 °F
December 25.0 °F
Rainiest months:
August 5 days
July 4 days
June 3 days
Windiest months:
November 9.5 mph
October 9.1 mph
December 9.0 mph

Oulu on a weather map

Oulu
+43°F
N 6 mph
Feels like: +39°F
Precip.: 31%
Places in Finland:
Name
°F
+48°F
+46°F
+45°F
+48°F
+50°F
+45°F
+45°F
+43°F
+46°F
+43°F
+45°F
+48°F
+46°F
+46°F
+43°F
24 Hours Forecast
Oulu
Local time: 04:47
September 15, tuesday
0600
43°F
N
6 mph
0900
46°F
N
7 mph
1200
52°F
N
7 mph
1500
55°F
N
8 mph
1800
54°F
NW
7 mph
2100
52°F
NW
10 mph
September 16, wednesday
0000
48°F
NW
10 mph
0300
48°F
NW
14 mph
Units of measurement: °C / °F