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September weather forecast in San Marcos
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
+33
+27
1 September, sun
+33
+27
Feels like
+36
743 mmHg
56%
4.8
m/s
SE
1 September, Sunday. day, 33°; night, 27°; partly cloudy
2
+32
+26
2 September, mon
+32
+26
Feels like
+35
743 mmHg
56%
4.6
m/s
NE
2 September, Monday. day, 32°; night, 26°; partly cloudy
3
+32
+26
3 September, tue
+32
+26
Feels like
+34
744 mmHg
56%
5
m/s
NE
3 September, Tuesday. day, 32°; night, 26°; clear
4
+31
+25
4 September, wed
+31
+25
Feels like
+33
744 mmHg
57%
4.4
m/s
NE
4 September, Wednesday. day, 31°; night, 25°; clear
5
+32
+25
5 September, thu
+32
+25
Feels like
+34
745 mmHg
54%
4
m/s
E
5 September, Thursday. day, 32°; night, 25°; rain
6
+31
+25
6 September, fri
+31
+25
Feels like
+33
745 mmHg
57%
4
m/s
SE
6 September, Friday. day, 31°; night, 25°; clear
7
+31
+25
7 September, sat
+31
+25
Feels like
+34
744 mmHg
58%
4.1
m/s
SE
7 September, Saturday. day, 31°; night, 25°; clear
8
+30
+24
8 September, sun
+30
+24
Feels like
+32
744 mmHg
62%
4.5
m/s
SE
8 September, Sunday. day, 30°; night, 24°; clear
9
+30
+24
9 September, mon
+30
+24
Feels like
+32
744 mmHg
62%
4
m/s
SE
9 September, Monday. day, 30°; night, 24°; partly cloudy
10
+31
+25
10 September, tue
+31
+25
Feels like
+33
745 mmHg
60%
4.1
m/s
NE
10 September, Tuesday. day, 31°; night, 25°; partly cloudy
11
+31
+25
11 September, wed
+31
+25
Feels like
+33
745 mmHg
56%
4.5
m/s
NE
11 September, Wednesday. day, 31°; night, 25°; rain
12
+29
+24
12 September, thu
+29
+24
Feels like
+31
743 mmHg
60%
4.9
m/s
E
12 September, Thursday. day, 29°; night, 24°; partly cloudy
13
+29
+24
13 September, fri
+29
+24
Feels like
+32
743 mmHg
63%
4.5
m/s
SE
13 September, Friday. day, 29°; night, 24°; clear
14
+29
+24
14 September, sat
+29
+24
Feels like
+32
745 mmHg
68%
4.6
m/s
NE
14 September, Saturday. day, 29°; night, 24°; partly cloudy
15
+29
+24
15 September, sun
+29
+24
Feels like
+31
746 mmHg
68%
4.3
m/s
NE
15 September, Sunday. day, 29°; night, 24°; rain
16
+28
+24
16 September, mon
+28
+24
Feels like
+31
745 mmHg
70%
3.9
m/s
NE
16 September, Monday. day, 28°; night, 24°; clear
17
+29
+24
17 September, tue
+29
+24
Feels like
+32
744 mmHg
68%
3.7
m/s
E
17 September, Tuesday. day, 29°; night, 24°; clear
18
+29
+24
18 September, wed
+29
+24
Feels like
+32
745 mmHg
68%
4.3
m/s
E
18 September, Wednesday. day, 29°; night, 24°; rain
19
+29
+23
19 September, thu
+29
+23
Feels like
+32
744 mmHg
62%
4.1
m/s
SE
19 September, Thursday. day, 29°; night, 23°; partly cloudy
20
+30
+24
20 September, fri
+30
+24
Feels like
+32
744 mmHg
62%
4.5
m/s
SE
20 September, Friday. day, 30°; night, 24°; clear
21
+29
+23
21 September, sat
+29
+23
Feels like
+30
745 mmHg
60%
4.5
m/s
NE
21 September, Saturday. day, 29°; night, 23°; rain
22
+28
+23
22 September, sun
+28
+23
Feels like
+29
745 mmHg
56%
4.3
m/s
E
22 September, Sunday. day, 28°; night, 23°; rain
23
+28
+24
23 September, mon
+28
+24
Feels like
+30
745 mmHg
58%
4.1
m/s
E
23 September, Monday. day, 28°; night, 24°; clear
24
+29
+24
24 September, tue
+29
+24
Feels like
+32
745 mmHg
62%
4.8
m/s
SE
24 September, Tuesday. day, 29°; night, 24°; clear
25
+29
+23
25 September, wed
+29
+23
Feels like
+30
744 mmHg
62%
4.3
m/s
E
25 September, Wednesday. day, 29°; night, 23°; rain
26
+27
+22
26 September, thu
+27
+22
Feels like
+29
744 mmHg
64%
4.4
m/s
E
26 September, Thursday. day, 27°; night, 22°; clear
27
+28
+23
27 September, fri
+28
+23
Feels like
+30
744 mmHg
64%
4.4
m/s
NE
27 September, Friday. day, 28°; night, 23°; clear
28
+28
+22
28 September, sat
+28
+22
Feels like
+30
745 mmHg
63%
3.7
m/s
NE
28 September, Saturday. day, 28°; night, 22°; rain
29
+28
+22
29 September, sun
+28
+22
Feels like
+29
745 mmHg
56%
4.8
m/s
NE
29 September, Sunday. day, 28°; night, 22°; clear
30
+28
+22
30 September, mon
+28
+22
Feels like
+29
744 mmHg
54%
4.3
m/s
NE
30 September, Monday. day, 28°; night, 22°; clear
1
+27
+21
1 October, tue
+27
+21
Feels like
+27
745 mmHg
50%
4.8
m/s
NE
1 October, Tuesday. day, 27°; night, 21°; clear
2
+26
+21
2 October, wed
+26
+21
Feels like
+26
745 mmHg
52%
4.5
m/s
E
2 October, Wednesday. day, 26°; night, 21°; clear
3
+27
+21
3 October, thu
+27
+21
Feels like
+28
746 mmHg
57%
4.4
m/s
SE
3 October, Thursday. day, 27°; night, 21°; clear
4
+27
+21
4 October, fri
+27
+21
Feels like
+29
745 mmHg
66%
5
m/s
SE
4 October, Friday. day, 27°; night, 21°; clear
5
+28
+22
5 October, sat
+28
+22
Feels like
+29
745 mmHg
61%
4.6
m/s
SE
5 October, Saturday. day, 28°; night, 22°; clear
Average data for 10 years
San Marcos September
15
sunny days
8
days with precipitation
7
cloudy days
15 sunny days; 8 days with precipitation; 7 cloudy days;
61
%
air humidity
3
m/s
Wind
E
113
mm of precipitation
(13% of annual average)
air humidity 61%; 113 millimeters of precipitation (13% of annual average); Wind easterly 3 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SE
NE
NE
NE
E
SE
SE
SE
SE
NE
NE
E
SE
NE
NE
NE
E
E
SE
SE
NE
E
E
SE
E
E
NE
NE
NE
NE
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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