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September weather forecast in Koper
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
1
+22
+20
1 September, sun
+22
+20
Feels like
+22
764 mmHg
63%
5.3
m/s
E
+25
1 September, Sunday. day, 22°; night, 20°; partly cloudy
2
+24
+20
2 September, mon
+24
+20
Feels like
+24
764 mmHg
62%
5.5
m/s
E
+24
2 September, Monday. day, 24°; night, 20°; partly cloudy
3
+24
+21
3 September, tue
+24
+21
Feels like
+24
764 mmHg
63%
5.6
m/s
SE
+24
3 September, Tuesday. day, 24°; night, 21°; clear
4
+23
+21
4 September, wed
+23
+21
Feels like
+22
764 mmHg
64%
5.6
m/s
E
+24
4 September, Wednesday. day, 23°; night, 21°; partly cloudy
5
+22
+20
5 September, thu
+22
+20
Feels like
+21
764 mmHg
62%
6.6
m/s
E
+24
5 September, Thursday. day, 22°; night, 20°; clear
6
+22
+19
6 September, fri
+22
+19
Feels like
+21
765 mmHg
63%
5.5
m/s
E
+24
6 September, Friday. day, 22°; night, 19°; partly cloudy
7
+23
+19
7 September, sat
+23
+19
Feels like
+21
765 mmHg
61%
5.9
m/s
E
+24
7 September, Saturday. day, 23°; night, 19°; clear
8
+23
+20
8 September, sun
+23
+20
Feels like
+22
764 mmHg
62%
5.5
m/s
E
+24
8 September, Sunday. day, 23°; night, 20°; clear
9
+23
+20
9 September, mon
+23
+20
Feels like
+21
764 mmHg
62%
6.5
m/s
E
+24
9 September, Monday. day, 23°; night, 20°; partly cloudy
10
+22
+20
10 September, tue
+22
+20
Feels like
+21
763 mmHg
62%
5.8
m/s
E
+24
10 September, Tuesday. day, 22°; night, 20°; partly cloudy
11
+22
+19
11 September, wed
+22
+19
Feels like
+22
764 mmHg
64%
5
m/s
E
+24
11 September, Wednesday. day, 22°; night, 19°; rain
12
+22
+19
12 September, thu
+22
+19
Feels like
+22
764 mmHg
62%
5
m/s
E
+23
12 September, Thursday. day, 22°; night, 19°; rain
13
+21
+19
13 September, fri
+21
+19
Feels like
+20
762 mmHg
68%
6
m/s
E
+23
13 September, Friday. day, 21°; night, 19°; clear
14
+21
+19
14 September, sat
+21
+19
Feels like
+19
763 mmHg
69%
6.4
m/s
E
+23
14 September, Saturday. day, 21°; night, 19°; partly cloudy
15
+21
+18
15 September, sun
+21
+18
Feels like
+21
762 mmHg
72%
5.5
m/s
E
+23
15 September, Sunday. day, 21°; night, 18°; rain
16
+21
+19
16 September, mon
+21
+19
Feels like
+20
762 mmHg
70%
5
m/s
SE
+23
16 September, Monday. day, 21°; night, 19°; clear
17
+20
+18
17 September, tue
+20
+18
Feels like
+19
763 mmHg
70%
5.5
m/s
SE
+22
17 September, Tuesday. day, 20°; night, 18°; rain
18
+19
+18
18 September, wed
+19
+18
Feels like
+18
763 mmHg
74%
4.8
m/s
E
+22
18 September, Wednesday. day, 19°; night, 18°; clear
19
+20
+16
19 September, thu
+20
+16
Feels like
+18
764 mmHg
68%
5
m/s
E
+23
19 September, Thursday. day, 20°; night, 16°; clear
20
+20
+17
20 September, fri
+20
+17
Feels like
+19
766 mmHg
60%
4.5
m/s
NE
+22
20 September, Friday. day, 20°; night, 17°; rain
21
+20
+17
21 September, sat
+20
+17
Feels like
+18
766 mmHg
57%
6
m/s
E
+22
21 September, Saturday. day, 20°; night, 17°; rain
22
+20
+16
22 September, sun
+20
+16
Feels like
+18
766 mmHg
63%
5.3
m/s
E
+22
22 September, Sunday. day, 20°; night, 16°; rain
23
+19
+17
23 September, mon
+19
+17
Feels like
+18
765 mmHg
67%
4.5
m/s
E
+22
23 September, Monday. day, 19°; night, 17°; clear
24
+19
+17
24 September, tue
+19
+17
Feels like
+17
764 mmHg
69%
5.8
m/s
E
+22
24 September, Tuesday. day, 19°; night, 17°; clear
25
+20
+16
25 September, wed
+20
+16
Feels like
+18
765 mmHg
63%
5.4
m/s
E
+21
25 September, Wednesday. day, 20°; night, 16°; rain
26
+20
+17
26 September, thu
+20
+17
Feels like
+18
767 mmHg
63%
6.1
m/s
E
+21
26 September, Thursday. day, 20°; night, 17°; clear
27
+20
+17
27 September, fri
+20
+17
Feels like
+17
769 mmHg
62%
6.5
m/s
E
+21
27 September, Friday. day, 20°; night, 17°; partly cloudy
28
+20
+17
28 September, sat
+20
+17
Feels like
+17
769 mmHg
62%
5.6
m/s
E
+21
28 September, Saturday. day, 20°; night, 17°; clear
29
+19
+16
29 September, sun
+19
+16
Feels like
+16
767 mmHg
63%
5.1
m/s
NE
+21
29 September, Sunday. day, 19°; night, 16°; clear
30
+19
+16
30 September, mon
+19
+16
Feels like
+17
767 mmHg
68%
5.1
m/s
E
+21
30 September, Monday. day, 19°; night, 16°; partly cloudy
1
+19
+16
1 October, tue
+19
+16
Feels like
+17
767 mmHg
67%
6
m/s
E
+21
1 October, Tuesday. day, 19°; night, 16°; clear
2
+18
+16
2 October, wed
+18
+16
Feels like
+17
767 mmHg
72%
5.3
m/s
E
+21
2 October, Wednesday. day, 18°; night, 16°; clear
3
+18
+16
3 October, thu
+18
+16
Feels like
+16
767 mmHg
74%
5.5
m/s
SE
+20
3 October, Thursday. day, 18°; night, 16°; rain
4
+18
+16
4 October, fri
+18
+16
Feels like
+17
766 mmHg
73%
5.5
m/s
SE
+20
4 October, Friday. day, 18°; night, 16°; rain
5
+18
+16
5 October, sat
+18
+16
Feels like
+16
766 mmHg
73%
4.9
m/s
E
+20
5 October, Saturday. day, 18°; night, 16°; rain
Average data for 10 years
Koper September
13
sunny days
8
days with precipitation
9
cloudy days
13 sunny days; 8 days with precipitation; 9 cloudy days;
64
%
air humidity
3.9
m/s
Wind
E
143
mm of precipitation
(12% of annual average)
+23
°C
Water temperature
air humidity 64%; 143 millimeters of precipitation (12% of annual average); Wind easterly 3.9 Meters per second; Water temperature +23°
Weather graphs for September
Temperature
Water temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
E
E
SE
E
E
E
E
E
E
E
E
E
E
E
E
SE
SE
E
E
NE
E
E
E
E
E
E
E
E
NE
E
1
Average data for 10 years
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Daytime temperature
Night-time temperature
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The Golden Sands
Chicago
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