Measurements:
°C
°F
CURRENT WEATHER
23:51
Lahti
58°F
N 9 mph
Feels like: 56°F
Precip: 36%
World Resorts Finland Lahti Weather

14 Day Weather Forecast

09.08
tue
DAY
60°F
N 12 mph
precip
51%
NIGHT
58°F
N 9 mph
precip
36%
09.09
wed
DAY
60°F
NE 8 mph
precip
25%
NIGHT
58°F
NW 4 mph
precip
55%
09.10
thu
DAY
54°F
N 13 mph
precip
58%
NIGHT
50°F
NE 11 mph
precip
36%
09.11
fri
DAY
52°F
SE 10 mph
precip
31%
NIGHT
50°F
NE 6 mph
precip
42%
09.12
sat
DAY
58°F
NE 9 mph
precip
33%
NIGHT
52°F
E 2 mph
precip
23%
09.13
sun
DAY
54°F
N 4 mph
precip
24%
NIGHT
54°F
NW 1 mph
precip
39%
09.14
mon
DAY
60°F
S 2 mph
precip
42%
NIGHT
52°F
SE 1 mph
precip
20%
09.15
tue
DAY
58°F
N 3 mph
precip
17%
NIGHT
52°F
W 6 mph
precip
28%
09.16
wed
DAY
56°F
SW 9 mph
precip
34%
NIGHT
48°F
S 4 mph
precip
14%
09.17
thu
DAY
58°F
W 2 mph
precip
3%
NIGHT
50°F
N 4 mph
precip
51%
09.18
fri
DAY
54°F
NW 6 mph
precip
36%
NIGHT
48°F
W 2 mph
precip
28%
09.19
sat
DAY
54°F
W 5 mph
precip
7%
NIGHT
44°F
S 4 mph
precip
18%
09.20
sun
DAY
52°F
SW 3 mph
precip
15%
NIGHT
44°F
SW 2 mph
precip
8%
09.21
mon
DAY
54°F
NW 4 mph
precip
3%
NIGHT
44°F
W 4 mph
precip
9%

Lahti Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Lahti was 61.8°F. The maximum and minimum values were 57.2°F and 65.2°F respectively.

Lahti on the Weather Map

Best Time to Visit Lahti
The most sunny months:
May 11 days
June 11 days
July 11 days
The most warm months:
July 73.5 °F
August 70.2 °F
June 69.1 °F
Warmest sea temperature:
August 69.6 °F
July 67.3 °F
September 62.7 °F
The most cold months:
January 19.9 °F
February 22.5 °F
December 26.4 °F
The most rainy months:
June 4 days
July 4 days
May 3 days
The most windy months:
December 7 mph
March 7 mph
October 7 mph
more details
Finland Resorts:
NAME
F°
Espoo +60
Helsinki +60
Juvaskyla +56
Kemi +56
Koli National Park +56
Lahti +58
Lappeenranta +60
Oulu +54
Pori +60
Saariselka +42
Savolinna +56
Seinajoki +56
Turku +60
Vaasa +58
Vantaa +62
all resorts
24 Hours Weather Forecast
Lahti
Local time: 23:51
09 sep, wednesday
0000 58°F
N
9 mph
0300 58°F
N
7 mph
0600 56°F
NE
4 mph
0900 58°F
NE
4 mph
1200 60°F
NE
8 mph
1500 64°F
NE
9 mph
1800 64°F
N
6 mph
2100 58°F
N
4 mph