Measurements:
°C
°F
CURRENT WEATHER
01:04
Turku
60°F
NE 12 mph
Feels like: 56°F
Precip: 56%
World Resorts Finland Turku Weather

7 Day Weather Forecast

09.09
wed
DAY
62°F
NE 11 mph
precip
27%
NIGHT
58°F
NE 9 mph
precip
21%
09.10
thu
DAY
54°F
E 9 mph
precip
82%
NIGHT
54°F
E 14 mph
precip
37%
09.11
fri
DAY
58°F
E 12 mph
precip
14%
NIGHT
58°F
NE 11 mph
precip
25%
09.12
sat
DAY
60°F
NE 15 mph
precip
37%
NIGHT
56°F
N 5 mph
precip
39%
09.13
sun
DAY
60°F
NE 11 mph
precip
27%
NIGHT
58°F
NE 6 mph
precip
50%
09.14
mon
DAY
58°F
S 7 mph
precip
4%
NIGHT
48°F
S 2 mph
precip
24%
09.15
tue
DAY
60°F
N 11 mph
precip
16%
NIGHT
58°F
N 14 mph
precip
22%

Turku Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Turku was 15.8°F. The maximum and minimum values were 13.7°F and 17.5°F respectively.

Turku on the Weather Map

Best Time to Visit Turku
The most sunny months:
June 15 days
May 14 days
July 14 days
The most warm months:
July 70.7 °F
August 68.8 °F
June 64.8 °F
Warmest sea temperature:
August 66.2 °F
July 64.5 °F
September 60.4 °F
The most cold months:
January 25.2 °F
February 26.7 °F
December 31.6 °F
The most rainy months:
December 4 days
August 4 days
September 4 days
The most windy months:
December 11 mph
January 11 mph
November 11 mph
more details