17.09
thu
thu
Day
59°F
NE 19 mph
Precip.
18%
18%
Night
52°F
NE 14 mph
Precip.
36%
36%
18.09
fri
fri
Day
59°F
NE 17 mph
Precip.
25%
25%
Night
54°F
N 16 mph
Precip.
28%
28%
19.09
sat
sat
Day
57°F
NE 19 mph
Precip.
33%
33%
Night
57°F
NE 19 mph
Precip.
25%
25%
20.09
sun
sun
Day
59°F
E 22 mph
Precip.
28%
28%
Night
50°F
NE 7 mph
Precip.
55%
55%
21.09
mon
mon
Day
55°F
SE 14 mph
Precip.
32%
32%
Night
54°F
S 21 mph
Precip.
18%
18%
22.09
tue
tue
Day
52°F
S 20 mph
Precip.
11%
11%
Night
52°F
S 11 mph
Precip.
15%
15%
23.09
wed
wed
Day
52°F
S 8 mph
Precip.
4%
4%
Night
52°F
S 8 mph
Precip.
24%
24%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 61.9°F. The highest and lowest sea temperatures during the month were 63.0°F and 61.0°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 53.1°F. The highest and lowest sea temperatures during the month were 57.6°F and 49.3°F.
Air temperature in Tallinn, °F
Precipitation total in Tallinn, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Tallinn
Tallinn on a weather map
Places in Estonia:
Name
°F
24 Hours Forecast
Tallinn
Local time: 10:49
September 17, thursday
1200
59°F
NE
19 mph
19 mph
1500
59°F
NE
18 mph
18 mph
1800
57°F
E
19 mph
19 mph
2100
55°F
NE
14 mph
14 mph
September 18, friday
0000
52°F
NE
14 mph
14 mph
0300
52°F
NE
14 mph
14 mph
0600
54°F
NE
13 mph
13 mph
0900
55°F
N
16 mph
16 mph
