S
M
T
W
T
F
S
30
77°
64°
31
87°
71°
1
85°
73°
2
91°
73°
3
92°
69°
4
84°
67°
5
80°
62°
6
78°
55°
7
79°
55°
8
85°
58°
9
88°
69°
10
82°
63°
11
79°
59°
12
74°
63°
13
84°
59°
14
69°
49°
15
87°
68°
16
83°
68°
17
79°
63°
18
75°
55°
19
80°
66°
20
75°
62°
21
77°
60°
22
71°
52°
23
72°
51°
24
70°
51°
25
69°
50°
26
72°
51°
27
69°
51°
28
72°
47°
29
75°
53°
30
74°
52°
1
73°
53°
2
74°
51°
3
70°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Polk
Polk's September 2026 forecast shows daily high temperatures ranging from 69° to 87°, with overnight lows between 47° and 68°. The average high for September is 75° with an average low of 56°. 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 Polk. See also: October | November | December.
