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Kotka weather in September

Weather in Kotka: September

Average day temperature: 58.0°F
Average night temperature: 53.4°F
Sea water temperature: 58.9°F
Number of sunny days: 9 days
Day length: 11.5 - 14.2 hours
Number of rainy days: 4 days
Precipitation totals: 2.3 in.

Air temperature in September, °F

Show year:
2023
2022
2021

The highest day temperature during September of 2023 was 65°F. At the same time the lowest night temperature was 50°F. Day and night temperature averages during September were 60.7°F and 59.2°F.

Sea water temperature in Kotka in September, °F

Show year:
2023
2022
2021

The average sea water temperature in September of 2023 was 62.6°F. The highest and lowest sea temperatures during the month were 65.3°F and 59.2°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

Precipitation total value in Kotka in September is 2.4 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 12.6 mph

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: 6.4.

Best time for vacation in Kotka

Sunniest months:
July 15 days
June 15 days
August 13 days
Warmest months:
July 66.6 °F
August 65.7 °F
June 60.5 °F
Warmest sea temp:
August 64.1 °F
July 63.0 °F
September 58.9 °F
Coldest months:
January 26.6 °F
February 27.1 °F
March 32.2 °F
Rainiest months:
August 6 days
October 5 days
November 4 days
Windiest months:
December 14.6 mph
November 14.3 mph
October 13.9 mph

Kotka on a weather map

Kotka
+34°F
S 17 mph
Feels like: +23°F
Precip.: 0%
Places in Finland:
Name
°F
+34°F
+27°F
+28°F
+34°F
+32°F
+34°F
+30°F
+30°F
+39°F
+28°F
+32°F
+30°F
+36°F
+32°F
24 Hours Forecast
Kotka
Local time: 16:07
April 19, friday
1800
30°F
S
17 mph
2100
28°F
S
17 mph
April 20, saturday
0000
27°F
S
14 mph
0300
27°F
S
13 mph
0600
25°F
SE
10 mph
0900
27°F
SE
8 mph
1200
28°F
E
8 mph
1500
30°F
E
9 mph
Units of measurement: °C / °F