S
M
T
W
T
F
S
30
101°
75°
31
101°
75°
1
99°
74°
2
101°
74°
3
99°
73°
4
96°
74°
5
94°
72°
6
95°
70°
7
98°
73°
8
99°
73°
9
100°
74°
10
100°
73°
11
98°
73°
12
97°
72°
13
98°
72°
14
90°
69°
15
91°
66°
16
91°
69°
17
94°
68°
18
97°
66°
19
96°
65°
20
95°
65°
21
96°
67°
22
94°
63°
23
91°
63°
24
94°
66°
25
94°
70°
26
96°
69°
27
96°
70°
28
98°
67°
29
95°
65°
30
93°
60°
1
90°
61°
2
84°
59°
3
82°
54°
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 82° to 101°, with overnight lows between 54° and 75°. The average high for September is 95° with an average low of 69°. 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.
