Average data for 10 years
1 September
Monday
+26°
+22°
2 September
Tuesday
+25°
+21°
3 September
Wednesday
+25°
+21°
4 September
Thursday
+26°
+21°
5 September
Friday
+26°
+21°
6 September
Saturday
+25°
+21°
7 September
Sunday
+25°
+20°
8 September
Monday
+25°
+21°
9 September
Tuesday
+25°
+20°
10 September
Wednesday
+24°
+20°
11 September
Thursday
+24°
+20°
12 September
Friday
+24°
+20°
13 September
Saturday
+24°
+20°
14 September
Sunday
+24°
+20°
15 September
Monday
+24°
+20°
16 September
Tuesday
+23°
+19°
17 September
Wednesday
+23°
+19°
18 September
Thursday
+23°
+19°
19 September
Friday
+23°
+18°
20 September
Saturday
+23°
+18°
21 September
Sunday
+23°
+18°
22 September
Monday
+23°
+19°
23 September
Tuesday
+23°
+18°
24 September
Wednesday
+22°
+17°
25 September
Thursday
+22°
+18°
26 September
Friday
+22°
+18°
27 September
Saturday
+22°
+18°
28 September
Sunday
+23°
+19°
29 September
Monday
+21°
+18°
30 September
Tuesday
+20°
+16°
In September, the weather in Rio Grande is typically warm. Average daily high temperature in September is about 24 degrees above zero. On average, Rio Grande has 11 sunny, 9 rainy, 6 cloudy, and 4 partly cloudy days in September. The rains are usually heavy.