Measurements:
°C
°F
CURRENT WEATHER
01:41
Lahti
50°F
N 6 mph
Feels like: 46°F
Precip: 38%
World Resorts Finland Lahti Weather

14 Day Weather Forecast

09.29
tue
DAY
52°F
N 7 mph
precip
42%
NIGHT
52°F
S 4 mph
precip
32%
09.30
wed
DAY
54°F
SW 3 mph
precip
4%
NIGHT
46°F
W 3 mph
precip
27%
10.01
thu
DAY
56°F
N 6 mph
precip
9%
NIGHT
48°F
NE 4 mph
precip
24%
10.02
fri
DAY
58°F
NE 6 mph
precip
8%
NIGHT
50°F
N 6 mph
precip
24%
10.03
sat
DAY
56°F
NE 9 mph
precip
21%
NIGHT
50°F
NE 6 mph
precip
43%
10.04
sun
DAY
58°F
NE 9 mph
precip
7%
NIGHT
48°F
NE 7 mph
precip
18%
10.05
mon
DAY
58°F
NE 8 mph
precip
6%
NIGHT
48°F
NE 4 mph
precip
20%
10.06
tue
DAY
54°F
NE 6 mph
precip
5%
NIGHT
46°F
N 5 mph
precip
19%
10.07
wed
DAY
56°F
N 8 mph
precip
9%
NIGHT
48°F
N 5 mph
precip
19%
10.08
thu
DAY
50°F
N 12 mph
precip
22%
NIGHT
50°F
N 13 mph
precip
26%
10.09
fri
DAY
46°F
NE 13 mph
precip
26%
NIGHT
40°F
NE 4 mph
precip
32%
10.10
sat
DAY
46°F
N 8 mph
precip
23%
NIGHT
46°F
NE 9 mph
precip
16%
10.11
sun
DAY
48°F
NE 12 mph
precip
37%
NIGHT
44°F
NE 9 mph
precip
23%
10.12
mon
DAY
48°F
N 7 mph
precip
54%
NIGHT
46°F
NE 21 mph
precip
65%

Lahti Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Lahti was 61.1°F. The maximum and minimum values were 56.8°F and 66.4°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 62.6 °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 +52
Helsinki +54
Imatra +48
Juvaskyla +48
Kemi +52
Kotka +56
Lahti +50
Lappeenranta +50
Oulu +52
Pori +56
Porvoo +56
Savolinna +48
Turku +58
Vaasa +56
Vantaa +54
all resorts
24 Hours Weather Forecast
Lahti
Local time: 01:41
29 sep, tuesday
0300 50°F
N
6 mph
0600 50°F
N
6 mph
0900 50°F
N
6 mph
1200 52°F
N
7 mph
1500 54°F
NE
6 mph
1800 54°F
NE
4 mph
2100 56°F
SE
3 mph
30 sep, wednesday
0000 52°F
S
4 mph