Measurements:
°C
°F
Parnu
50°F
N 6 mph
Feels like: 48°F
Precip: 15%
World Resorts Estonia Parnu Weather

7 Day Weather Forecast

09.29
tue
DAY
56°F
N 9 mph
precip
30%
NIGHT
56°F
NE 4 mph
precip
39%
09.30
wed
DAY
62°F
W 4 mph
precip
20%
NIGHT
54°F
W 4 mph
precip
22%
10.01
thu
DAY
66°F
NW 6 mph
precip
4%
NIGHT
52°F
NW 4 mph
precip
14%
10.02
fri
DAY
60°F
N 8 mph
precip
10%
NIGHT
52°F
N 7 mph
precip
11%
10.03
sat
DAY
58°F
N 12 mph
precip
6%
NIGHT
52°F
N 7 mph
precip
13%
10.04
sun
DAY
58°F
N 11 mph
precip
5%
NIGHT
48°F
N 6 mph
precip
22%
10.05
mon
DAY
56°F
N 9 mph
precip
5%
NIGHT
46°F
NW 4 mph
precip
10%

Parnu Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Parnu was 16.3°F. The maximum and minimum values were 13.9°F and 18.4°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