Measurements:
°C
°F
CURRENT WEATHER
23:55
Parnu
62°F
N 13 mph
Feels like: 62°F
Precip: 34%
World Resorts Estonia Parnu Weather

7 Day Weather Forecast

09.08
tue
DAY
66°F
N 15 mph
precip
18%
NIGHT
62°F
N 13 mph
precip
34%
09.09
wed
DAY
68°F
NE 9 mph
precip
26%
NIGHT
60°F
NE 12 mph
precip
35%
09.10
thu
DAY
60°F
NE 17 mph
precip
36%
NIGHT
56°F
NE 11 mph
precip
11%
09.11
fri
DAY
64°F
NE 13 mph
precip
17%
NIGHT
58°F
NE 11 mph
precip
27%
09.12
sat
DAY
66°F
NE 15 mph
precip
26%
NIGHT
56°F
NE 6 mph
precip
38%
09.13
sun
DAY
62°F
NE 12 mph
precip
23%
NIGHT
58°F
N 4 mph
precip
25%
09.14
mon
DAY
58°F
E 3 mph
precip
43%
NIGHT
48°F
SE 4 mph
precip
31%

Parnu Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Parnu was 16.7°F. The maximum and minimum values were 13.3°F and 19.7°F respectively.

Parnu on the Weather Map

Best Time to Visit Parnu
The most sunny months:
June 14 days
May 14 days
July 13 days
The most warm months:
July 73.0 °F
August 70.9 °F
June 67.9 °F
Warmest sea temperature:
August 68.5 °F
July 67.7 °F
June 62.2 °F
The most cold months:
January 25.3 °F
February 26.4 °F
December 31.7 °F
The most rainy months:
July 5 days
August 5 days
October 4 days
The most windy months:
December 11 mph
October 10 mph
November 9 mph
more details