World Resorts Finland Turku Weather

Turku 7 Days Forecast

15.09
tue
Day
57°F
N 7 mph
Precip.
16%
Night
57°F
N 11 mph
Precip.
33%
16.09
wed
Day
59°F
N 15 mph
Precip.
51%
Night
57°F
NE 11 mph
Precip.
13%
17.09
thu
Day
57°F
E 13 mph
Precip.
21%
Night
55°F
NE 6 mph
Precip.
32%
18.09
fri
Day
57°F
NE 7 mph
Precip.
30%
Night
54°F
NE 6 mph
Precip.
31%
19.09
sat
Day
55°F
NE 13 mph
Precip.
26%
Night
57°F
NE 14 mph
Precip.
41%
20.09
sun
Day
57°F
NE 13 mph
Precip.
52%
Night
52°F
SE 16 mph
Precip.
25%
21.09
mon
Day
55°F
SE 12 mph
Precip.
34%
Night
46°F
S 9 mph
Precip.
10%

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 60.5°F. The highest and lowest sea temperatures during the month were 63.5°F and 56.7°F.

Air temperature in Turku, °F

Precipitation total in Turku, in.

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

Best time for vacation in Turku

Sunniest months:
June 15 days
May 14 days
July 14 days
Warmest months:
July 68.6 °F
August 66.9 °F
June 63.3 °F
Warmest sea temp:
August 64.6 °F
July 63.0 °F
September 59.4 °F
Coldest months:
January 27.7 °F
February 29.0 °F
December 33.4 °F
Rainiest months:
December 4 days
August 4 days
September 4 days
Windiest months:
December 11.5 mph
January 10.8 mph
November 10.7 mph

Turku on a weather map

Current weather
04:48
Turku
+48°F
NW 2 mph
Feels like: +46°F
Precip.: 23%
Places in Finland:
Name
°F
Vaasa
+48°F
Vantaa
+46°F
Imatra
+45°F
Kemi
+48°F
Kotka
+50°F
Lappeenranta
+45°F
Lahti
+45°F
Oulu
+43°F
Pori
+46°F
Saariselka
+43°F
Savolinna
+45°F
Turku
+48°F
Helsinki
+46°F
Espoo
+46°F
Juvaskyla
+43°F
all places
24 Hours Forecast
Turku
Local time: 04:48
September 15, tuesday
0600
48°F
NW
2 mph
0900
50°F
NW
5 mph
1200
57°F
N
7 mph
1500
59°F
N
10 mph
1800
57°F
N
9 mph
2100
55°F
NW
9 mph
September 16, wednesday
0000
57°F
N
11 mph
0300
57°F
N
12 mph
Units of measurement: °C / °F