Average data for 10 years
1 September
Sunday
+22°
+19°
2 September
Monday
+23°
+19°
3 September
Tuesday
+22°
+18°
4 September
Wednesday
+22°
+18°
5 September
Thursday
+22°
+19°
6 September
Friday
+22°
+19°
7 September
Saturday
+23°
+19°
8 September
Sunday
+23°
+19°
9 September
Monday
+22°
+18°
10 September
Tuesday
+22°
+19°
11 September
Wednesday
+22°
+19°
12 September
Thursday
+22°
+18°
13 September
Friday
+22°
+18°
14 September
Saturday
+23°
+19°
15 September
Sunday
+23°
+19°
16 September
Monday
+23°
+18°
17 September
Tuesday
+22°
+19°
18 September
Wednesday
+22°
+19°
19 September
Thursday
+22°
+18°
20 September
Friday
+22°
+19°
21 September
Saturday
+22°
+19°
22 September
Sunday
+22°
+18°
23 September
Monday
+22°
+18°
24 September
Tuesday
+22°
+19°
25 September
Wednesday
+21°
+18°
26 September
Thursday
+22°
+18°
27 September
Friday
+22°
+18°
28 September
Saturday
+22°
+19°
29 September
Sunday
+22°
+19°
30 September
Monday
+22°
+19°
Cities near you
Guatemala
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Ciudad del Carmen
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San Salvador
Belize
Belmopan
Guatemala
Flores
Cities with similar weather in September
France
Paris
Australia
Sydney
Mexico
Mexico
Ethiopia
Addis Ababa
Lesotho
Maseru
September in San Marcos is the coldest month of the year. In September, the weather in San Marcos is typically warm. Average daily high temperature in September is about 22 degrees above zero. On average, San Marcos has 30 rainy days in September. The rains are usually heavy. September as well as May, June, July, and August is considered the most uncomfortable time to visit San Marcos.