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Lappeenranta weather in September

Weather in Lappeenranta: September

Average day temperature: 58.4°F
Average night temperature: 49.5°F
Sea water temperature: 59.1°F
Number of sunny days: 7 days
Day length: 11.5 - 14.2 hours
Number of rainy days: 3 days
Precipitation totals: 2.1 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 77°F. At the same time the lowest night temperature was 38°F. Day and night temperature averages during September were 65.2°F and 54.0°F.

Sea water temperature in Lappeenranta in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 64.4°F. The highest and lowest sea temperatures during the month were 66.9°F and 59.7°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 Lappeenranta in September is 2.2 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 8.3 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: 5.9.

Best time for vacation in Lappeenranta

Sunniest months:
July 12 days
June 12 days
August 11 days
Warmest months:
July 71.0 °F
August 68.3 °F
June 66.4 °F
Warmest sea temp:
August 65.5 °F
July 64.9 °F
September 59.1 °F
Coldest months:
January 22.2 °F
February 24.4 °F
December 28.2 °F
Rainiest months:
August 5 days
October 4 days
May 4 days
Windiest months:
December 9.4 mph
November 9.1 mph
October 8.8 mph

Lappeenranta on a weather map

Lappeenranta
+28°F
NE 7 mph
Feels like: +21°F
Precip.: 100%
Places in Finland:
Name
°F
+30°F
+30°F
+32°F
+32°F
+28°F
+27°F
+27°F
+34°F
+30°F
+19°F
+32°F
+34°F
+32°F
+23°F
24 Hours Forecast
Lappeenranta
Local time: 12:02
November 23, saturday
1500
28°F
N
5 mph
1800
23°F
N
6 mph
2100
27°F
E
7 mph
November 24, sunday
0000
19°F
NE
7 mph
0300
23°F
NE
9 mph
0600
25°F
NE
9 mph
0900
25°F
NE
10 mph
1200
30°F
NE
9 mph
Units of measurement: °C / °F