Measurements:
°C
°F
Oulu
52°F
N 12 mph
Feels like: 46°F
Precip: 35%
World Resorts Finland Oulu Weather

7 Day Weather Forecast

09.29
tue
DAY
52°F
E 7 mph
precip
64%
NIGHT
50°F
E 9 mph
precip
11%
09.30
wed
DAY
52°F
NW 2 mph
precip
20%
NIGHT
44°F
N 7 mph
precip
14%
10.01
thu
DAY
52°F
NE 10 mph
precip
18%
NIGHT
54°F
NE 14 mph
precip
23%
10.02
fri
DAY
56°F
NE 10 mph
precip
9%
NIGHT
54°F
N 7 mph
precip
32%
10.03
sat
DAY
56°F
NE 12 mph
precip
26%
NIGHT
50°F
NE 10 mph
precip
19%
10.04
sun
DAY
52°F
N 11 mph
precip
26%
NIGHT
54°F
NE 13 mph
precip
29%
10.05
mon
DAY
52°F
E 8 mph
precip
26%
NIGHT
46°F
N 7 mph
precip
14%

Oulu Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Oulu was 12.9°F. The maximum and minimum values were 10.5°F and 16.0°F respectively.

Oulu on the Weather Map

Best Time to Visit Oulu
The most sunny months:
July 12 days
June 11 days
May 10 days
The most warm months:
July 68.7 °F
August 65.3 °F
June 60.8 °F
Warmest sea temperature:
July 64.1 °F
August 63.3 °F
June 55.7 °F
The most cold months:
January 14.1 °F
February 17.5 °F
December 22.2 °F
The most rainy months:
August 5 days
July 4 days
June 3 days
The most windy months:
November 9 mph
October 9 mph
December 9 mph