Measurements:
°C
°F
Tallinn
62°F
NE 14 mph
Feels like: 62°F
Precip: 25%
World Resorts Estonia Tallinn Weather

7 Day Weather Forecast

09.08
tue
DAY
66°F
N 17 mph
precip
17%
NIGHT
62°F
NE 14 mph
precip
25%
09.09
wed
DAY
66°F
NE 11 mph
precip
38%
NIGHT
62°F
NE 16 mph
precip
31%
09.10
thu
DAY
58°F
NE 24 mph
precip
28%
NIGHT
56°F
NE 19 mph
precip
30%
09.11
fri
DAY
60°F
E 17 mph
precip
16%
NIGHT
60°F
NE 16 mph
precip
22%
09.12
sat
DAY
64°F
NE 20 mph
precip
37%
NIGHT
56°F
NE 11 mph
precip
37%
09.13
sun
DAY
62°F
NE 17 mph
precip
21%
NIGHT
58°F
NE 12 mph
precip
26%
09.14
mon
DAY
60°F
SE 9 mph
precip
28%
NIGHT
56°F
S 9 mph
precip
18%

Tallinn Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Tallinn was 15.4°F. The maximum and minimum values were 14.1°F and 17.1°F respectively.

Tallinn on the Weather Map

Best Time to Visit Tallinn
The most sunny months:
June 14 days
May 14 days
July 14 days
The most warm months:
July 70.0 °F
August 69.2 °F
June 64.0 °F
Warmest sea temperature:
August 66.7 °F
July 64.3 °F
September 60.9 °F
The most cold months:
January 26.9 °F
February 27.2 °F
December 32.4 °F
The most rainy months:
October 4 days
September 4 days
July 4 days
The most windy months:
December 14 mph
November 12 mph
January 12 mph