16.09
wed
wed
Day

55°F
N 16 mph
Precip.
19%
19%
Night

54°F
N 21 mph
Precip.
77%
77%
17.09
thu
thu
Day

55°F
N 17 mph
Precip.
30%
30%
Night

52°F
NE 16 mph
Precip.
37%
37%
18.09
fri
fri
Day

52°F
NE 14 mph
Precip.
21%
21%
Night

54°F
NE 16 mph
Precip.
34%
34%
19.09
sat
sat
Day

52°F
NE 18 mph
Precip.
51%
51%
Night

52°F
NE 16 mph
Precip.
31%
31%
20.09
sun
sun
Day

55°F
NE 18 mph
Precip.
57%
57%
Night

50°F
E 9 mph
Precip.
29%
29%
21.09
mon
mon
Day

48°F
SW 6 mph
Precip.
26%
26%
Night

54°F
W 14 mph
Precip.
33%
33%
22.09
tue
tue
Day

55°F
W 12 mph
Precip.
29%
29%
Night

55°F
W 14 mph
Precip.
38%
38%
sea water
temperature
temperature
| Koli National Park |
monthly
weather
weather
| Koli National Park |
current
weather
weather
| Koli National Park |
14 days
forecast
forecast
| Koli National Park |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 59.4°F. The highest and lowest sea temperatures during the month were 61.2°F and 57.7°F.
Air temperature in Koli National Park, °F
Precipitation total in Koli National Park, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Koli National Park
Koli National Park on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Koli National Park
Local time: 20:32
September 16, wednesday
2100

54°F
N
21 mph
21 mph
September 17, thursday
0000

54°F
N
21 mph
21 mph
0300

54°F
N
17 mph
17 mph
0600

54°F
N
16 mph
16 mph
0900

55°F
NE
12 mph
12 mph
1200

55°F
N
17 mph
17 mph
1500

57°F
NE
17 mph
17 mph
1800

55°F
NE
16 mph
16 mph

























