Measurements:
°C
°F
Cerkno
50°F
SW 6 mph
Feels like: 48°F
Precip: 8%
World Resorts Slovenia Cerkno Weather

7 Day Weather Forecast

09.29
tue
DAY
66°F
NW 5 mph
precip
1%
NIGHT
50°F
SW 6 mph
precip
6%
09.30
wed
DAY
64°F
NW 4 mph
precip
1%
NIGHT
50°F
SW 6 mph
precip
4%
10.01
thu
DAY
66°F
W 5 mph
precip
1%
NIGHT
52°F
SW 6 mph
precip
9%
10.02
fri
DAY
64°F
W 4 mph
precip
13%
NIGHT
50°F
SW 6 mph
precip
8%
10.03
sat
DAY
62°F
W 4 mph
precip
11%
NIGHT
44°F
SW 6 mph
precip
12%
10.04
sun
DAY
58°F
NW 4 mph
precip
2%
NIGHT
44°F
S 5 mph
precip
9%
10.05
mon
DAY
58°F
NW 4 mph
precip
8%
NIGHT
44°F
SW 6 mph
precip
16%

Cerkno Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Cerkno was 24.2°F. The maximum and minimum values were 21.5°F and 26.5°F respectively.

Cerkno on the Weather Map

Best Time to Visit Cerkno
The most sunny months:
August 15 days
December 13 days
July 13 days
The most warm months:
August 76.8 °F
July 76.3 °F
June 72.4 °F
Warmest sea temperature:
August 81.0 °F
July 80.6 °F
September 76.1 °F
The most cold months:
January 33.2 °F
February 35.9 °F
December 36.0 °F
The most rainy months:
May 13 days
June 11 days
July 11 days
The most windy months:
February 4 mph
March 4 mph
April 4 mph