S
M
T
W
T
F
S
30
80°
68°
31
89°
71°
1
95°
74°
2
94°
72°
3
93°
74°
4
95°
73°
5
85°
70°
6
83°
62°
7
82°
60°
8
86°
69°
9
81°
61°
10
78°
53°
11
81°
61°
12
81°
60°
13
76°
64°
14
78°
59°
15
75°
51°
16
72°
53°
17
75°
52°
18
72°
51°
19
71°
48°
20
70°
50°
21
75°
49°
22
74°
54°
23
76°
54°
24
78°
55°
25
79°
55°
26
78°
54°
27
78°
56°
28
79°
56°
29
78°
55°
30
76°
55°
1
73°
49°
2
64°
44°
3
64°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Polo
Polo's September 2026 forecast shows daily high temperatures ranging from 64° to 86°, with overnight lows between 40° and 69°. The average high for September is 76° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Polo. See also: October | November | December.