Measurements:
°C
°F
CURRENT WEATHER
23:01
Cerkno
62°F
SE 3 mph
Feels like: 62°F
Precip: 8%
World Resorts Slovenia Cerkno Weather

7 Day Weather Forecast

09.08
tue
DAY
80°F
N 4 mph
precip
1%
NIGHT
62°F
SE 3 mph
precip
8%
09.09
wed
DAY
68°F
NE 3 mph
precip
68%
NIGHT
60°F
NE 3 mph
precip
82%
09.10
thu
DAY
66°F
NW 4 mph
precip
33%
NIGHT
60°F
SW 5 mph
precip
43%
09.11
fri
DAY
56°F
W 4 mph
precip
71%
NIGHT
60°F
SW 4 mph
precip
53%
09.12
sat
DAY
58°F
W 3 mph
precip
85%
NIGHT
52°F
S 6 mph
precip
7%
09.13
sun
DAY
68°F
N 4 mph
precip
3%
NIGHT
58°F
SW 2 mph
precip
22%
09.14
mon
DAY
60°F
W 2 mph
precip
63%
NIGHT
48°F
S 6 mph
precip
13%

Cerkno Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Cerkno was 23.1°F. The maximum and minimum values were 21.7°F and 24.2°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 75.9 °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
more details