World Resorts Finland Koli National Park Weather

Koli National Park weather in September

Weather in Koli National Park: September

Average day temperature: 54.2°F
Average night temperature: 46.7°F
Sea water temperature: 55.9°F
Number of sunny days: 6 days
Day length: 11.5 - 14.5 hours
Number of rainy days: 4 days
Precipitation totals: 2.0 in.

Air temperature in September, °F

Show year:
2023
2022
2021

The highest day temperature during September of 2023 was 67°F. At the same time the lowest night temperature was 43°F. Day and night temperature averages during September were 58.4°F and 52.6°F.

Sea water temperature in Koli National Park in September, °F

Show year:
2023
2022
2021

The average sea water temperature in September of 2023 was 59.6°F. The highest and lowest sea temperatures during the month were 62.6°F and 56.7°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Koli National Park in September is 2.1 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 9.1 mph It makes September one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 4.5.

Best time for vacation in Koli National Park

Sunniest months:
July 12 days
June 11 days
August 10 days
Warmest months:
July 67.5 °F
August 64.3 °F
June 62.1 °F
Warmest sea temp:
July 62.2 °F
August 61.8 °F
September 55.9 °F
Coldest months:
January 17.8 °F
February 20.9 °F
December 24.4 °F
Rainiest months:
July 5 days
August 5 days
September 4 days
Windiest months:
November 9.6 mph
October 9.4 mph
December 9.1 mph

Koli National Park on a weather map

Koli National Park
+36°F
NW 2 mph
Feels like: +36°F
Precip.: 85%
Places in Finland:
Name
°F
+43°F
+52°F
+50°F
+34°F
+41°F
+50°F
+52°F
+34°F
+52°F
+32°F
+52°F
+48°F
+52°F
+45°F
24 Hours Forecast
Koli National Park
Local time: 07:58
April 29, monday
0900
36°F
NW
2 mph
1200
39°F
NW
5 mph
1500
43°F
W
6 mph
1800
41°F
W
8 mph
2100
41°F
NW
7 mph
April 30, tuesday
0000
41°F
N
9 mph
0300
41°F
NE
9 mph
0600
41°F
E
9 mph
Units of measurement: °C / °F