16.09
wed
wed
Day

55°F
N 8 mph
Precip.
24%
24%
Night

57°F
N 9 mph
Precip.
24%
24%
17.09
thu
thu
Day

57°F
NE 9 mph
Precip.
53%
53%
Night

52°F
NE 5 mph
Precip.
44%
44%
18.09
fri
fri
Day

57°F
NE 9 mph
Precip.
43%
43%
Night

55°F
NE 11 mph
Precip.
44%
44%
19.09
sat
sat
Day

57°F
NE 14 mph
Precip.
30%
30%
Night

55°F
NE 9 mph
Precip.
25%
25%
20.09
sun
sun
Day

59°F
NE 14 mph
Precip.
64%
64%
Night

48°F
NE 4 mph
Precip.
38%
38%
21.09
mon
mon
Day

54°F
S 6 mph
Precip.
25%
25%
Night

48°F
W 4 mph
Precip.
42%
42%
22.09
tue
tue
Day

55°F
W 7 mph
Precip.
25%
25%
Night

55°F
W 11 mph
Precip.
54%
54%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 59.4°F. The highest and lowest sea temperatures during the month were 61.7°F and 57.6°F.
Air temperature in Imatra, °F
Precipitation total in Imatra, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Imatra
Imatra on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Imatra
Local time: 19:37
September 16, wednesday
2100

59°F
N
9 mph
9 mph
September 17, thursday
0000

57°F
N
9 mph
9 mph
0300

57°F
N
11 mph
11 mph
0600

57°F
NE
9 mph
9 mph
0900

55°F
NE
8 mph
8 mph
1200

57°F
NE
9 mph
9 mph
1500

61°F
NE
12 mph
12 mph
1800

57°F
NE
12 mph
12 mph

























