S
M
T
W
T
F
S
30
84°
63°
31
82°
66°
1
88°
72°
2
91°
73°
3
88°
68°
4
81°
68°
5
77°
61°
6
80°
54°
7
81°
54°
8
84°
65°
9
89°
70°
10
78°
60°
11
75°
53°
12
80°
61°
13
82°
60°
14
78°
58°
15
73°
53°
16
76°
54°
17
75°
55°
18
76°
55°
19
71°
52°
20
79°
57°
21
77°
57°
22
73°
56°
23
72°
55°
24
75°
55°
25
76°
54°
26
77°
54°
27
75°
53°
28
76°
55°
29
77°
55°
30
77°
54°
1
76°
54°
2
74°
51°
3
73°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Apollo
Apollo's September 2026 forecast shows daily high temperatures ranging from 71° to 89°, with overnight lows between 46° and 70°. The average high for September is 77° 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 Apollo. See also: October | November | December.
