S
M
T
W
T
F
S
30
67°
53°
31
66°
52°
1
66°
52°
2
65°
51°
3
64°
52°
4
65°
51°
5
66°
52°
6
65°
51°
7
66°
51°
8
65°
50°
9
65°
46°
10
64°
50°
11
64°
51°
12
63°
50°
13
63°
49°
14
61°
49°
15
59°
50°
16
63°
48°
17
62°
47°
18
59°
50°
19
61°
51°
20
63°
49°
21
62°
50°
22
64°
49°
23
60°
49°
24
59°
46°
25
58°
46°
26
Hist. Avg.
57°
47°
27
Hist. Avg.
57°
47°
28
Hist. Avg.
57°
46°
29
Hist. Avg.
57°
46°
30
Hist. Avg.
57°
46°
1
Hist. Avg.
56°
46°
2
Hist. Avg.
56°
46°
3
Hist. Avg.
56°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Polmont
Polmont's September 2026 forecast shows daily high temperatures ranging from 58° to 67°, with overnight lows between 46° and 53°. The average high for September is 63° with an average low of 50°. 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 Polmont. See also: October | November | December.
