S
M
T
W
T
F
S
30
63°
53°
31
64°
54°
1
66°
53°
2
66°
52°
3
63°
53°
4
66°
53°
5
65°
51°
6
62°
52°
7
61°
51°
8
63°
49°
9
61°
49°
10
61°
50°
11
60°
47°
12
60°
50°
13
61°
47°
14
60°
50°
15
60°
49°
16
61°
49°
17
60°
48°
18
61°
47°
19
63°
48°
20
59°
46°
21
59°
49°
22
58°
46°
23
58°
44°
24
59°
46°
25
58°
49°
26
57°
50°
27
59°
46°
28
58°
45°
29
57°
44°
30
57°
43°
1
56°
44°
2
57°
49°
3
58°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Greenside
Greenside's September 2026 forecast shows daily high temperatures ranging from 56° to 66°, with overnight lows between 43° and 54°. The average high for September is 60° with an average low of 49°. 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 Greenside. See also: October | November | December.
