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Cerkno weather in September

Weather in Cerkno: September

Average day temperature: 63.6°F
Average night temperature: 49.5°F
Sea water temperature: 73.3°F
Number of sunny days: 12 days
Day length: 11.7 - 13.3 hours
Number of rainy days: 8 days
Precipitation totals: 5.5 in.

Air temperature in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
13
26
39
52
65
78
91
104
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 77°F. At the same time the lowest night temperature was 35°F. Day and night temperature averages during September were 60.0°F and 49.0°F.

Sea water temperature in Cerkno in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
63
67
71
75
79
83
87

The average sea water temperature in September of 2024 was 74.6°F. The highest and lowest sea temperatures during the month were 81.1°F and 67.3°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
33%
37%
30%

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.1
4.2
6.3
8.4
10.5
12.6
14.6
7.3
8.2
7.1
5.9
6.5
8.1
12.2
7.6
5.0
6.5
4.0
7.3
8.2
7.1
6.2
5.9
6.5
8.1
12.2
7.6
5.0
6.5
4.0

Precipitation total value in Cerkno in September is 6.2 in. Other months of the year show relatively similar values.

Wind speed in September, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.7
1.4
2.1
2.7
3.4
4.1
4.8
5.5
3.5
3.7
3.6
3.5
3.4
3.5
3.7
4.0
3.9
4.0
3.7
3.5
3.7
3.6
3.5
3.5
3.4
3.5
3.7
4.0
3.9
4.0
3.7

The average wind speed value in September is 3.5 mph The wind's strength is relatively same during the whole year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.5
3.0
4.5
6.0
7.6
9.1
10.6
12.1
4.2
5.2
5.6
8.4
8.8
8.4
5.5
5.8
6.5
5.4
4.7
4.2
5.2
5.6
7.1
8.4
8.8
8.4
5.5
5.8
6.5
5.4
4.7

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.1.

Best time for vacation in Cerkno

Sunniest months:
August 15 days
July 14 days
December 13 days
Warmest months:
August 73.5 °F
July 73.4 °F
June 69.4 °F
Warmest sea temp:
August 78.0 °F
July 77.5 °F
September 73.3 °F
Coldest months:
January 34.5 °F
December 36.7 °F
February 37.0 °F
Rainiest months:
May 14 days
July 13 days
June 12 days
Windiest months:
February 4.4 mph
March 4.2 mph
April 4.2 mph

Cerkno on a weather map

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Places in Slovenia:
Name
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+28°F
+30°F
+30°F
+30°F
+28°F
+27°F
+27°F
+30°F
+30°F
+25°F
+30°F
+28°F
24 Hours Forecast
Cerkno
Local time: 04:31
February 21, friday
0600
28°F
SW
2 mph
0900
36°F
W
2 mph
1200
41°F
NW
2 mph
1500
41°F
NW
2 mph
1800
30°F
SW
2 mph
2100
30°F
SW
1 mph
February 22, saturday
0000
30°F
SE
1 mph
0300
30°F
E
2 mph
Units of measurement: °C / °F