World Resorts Finland Lahti Weather

Lahti weather in September

Weather in Lahti: September

Average day temperature: 58.3°F
Average night temperature: 48.3°F
Sea water temperature: 61.5°F
Number of sunny days: 8 days
Day length: 11.5 - 14.2 hours
Number of rainy days: 3 days
Precipitation totals: 1.8 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 79°F. At the same time the lowest night temperature was 36°F. Day and night temperature averages during September were 63.9°F and 52.7°F.

Sea water temperature in Lahti in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 62.4°F. The highest and lowest sea temperatures during the month were 66.2°F and 57.4°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 Lahti in September is 1.7 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 6.5 mph It makes September one of the least 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: 6.3.

Best time for vacation in Lahti

Sunniest months:
May 12 days
June 12 days
July 11 days
Warmest months:
July 71.2 °F
August 68.5 °F
June 67.5 °F
Warmest sea temp:
August 67.9 °F
July 65.4 °F
September 61.5 °F
Coldest months:
January 23.0 °F
February 25.6 °F
December 28.4 °F
Rainiest months:
July 4 days
August 4 days
June 4 days
Windiest months:
December 7.6 mph
March 7.5 mph
October 7.3 mph

Lahti on a weather map

Lahti
+34°F
N 9 mph
Feels like: +27°F
Precip.: 100%
Places in Finland:
Name
°F
+34°F
+34°F
+12°F
+34°F
+34°F
+18°F
+36°F
0°F
+34°F
+34°F
+36°F
+36°F
+36°F
+34°F
24 Hours Forecast
Lahti
Local time: 18:20
December 22, sunday
2100
32°F
N
7 mph
December 23, monday
0000
32°F
N
7 mph
0300
34°F
N
5 mph
0600
34°F
N
5 mph
0900
34°F
N
5 mph
1200
32°F
NE
4 mph
1500
32°F
N
1 mph
1800
32°F
NW
2 mph
Units of measurement: °C / °F