17.09
thu
thu
Day

59°F
NE 12 mph
Precip.
26%
26%
Night

50°F
NE 9 mph
Precip.
28%
28%
18.09
fri
fri
Day

57°F
NE 12 mph
Precip.
17%
17%
Night

57°F
NE 11 mph
Precip.
31%
31%
19.09
sat
sat
Day

59°F
NE 16 mph
Precip.
17%
17%
Night

55°F
NE 11 mph
Precip.
18%
18%
20.09
sun
sun
Day

57°F
NE 14 mph
Precip.
38%
38%
Night

50°F
NE 9 mph
Precip.
21%
21%
21.09
mon
mon
Day

55°F
SE 8 mph
Precip.
16%
16%
Night

46°F
SE 7 mph
Precip.
33%
33%
22.09
tue
tue
Day

48°F
SE 11 mph
Precip.
22%
22%
Night

46°F
SE 7 mph
Precip.
25%
25%
23.09
wed
wed
Day

52°F
S 10 mph
Precip.
15%
15%
Night

41°F
S 8 mph
Precip.
17%
17%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 62.8°F. The highest and lowest sea temperatures during the month were 65.1°F and 60.4°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 49.8°F. The highest and lowest sea temperatures during the month were 55.9°F and 45.1°F.
Air temperature in Tartu, °F
Precipitation total in Tartu, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Tartu
Tartu on a weather map
Places in Estonia:
Name
°F
24 Hours Forecast
Tartu
Local time: 10:48
September 17, thursday
1200

59°F
NE
12 mph
12 mph
1500

63°F
NE
12 mph
12 mph
1800

57°F
E
11 mph
11 mph
2100

52°F
NE
8 mph
8 mph
September 18, friday
0000

50°F
NE
9 mph
9 mph
0300

50°F
NE
11 mph
11 mph
0600

50°F
NE
9 mph
9 mph
0900

52°F
NE
11 mph
11 mph


























