S
M
T
W
T
F
S
30
99°
62°
31
99°
69°
1
100°
68°
2
98°
69°
3
96°
75°
4
98°
68°
5
100°
69°
6
100°
70°
7
98°
69°
8
101°
68°
9
99°
75°
10
95°
70°
11
90°
70°
12
95°
68°
13
96°
67°
14
96°
71°
15
96°
72°
16
96°
69°
17
98°
66°
18
98°
64°
19
98°
67°
20
97°
69°
21
91°
63°
22
88°
66°
23
89°
66°
24
88°
60°
25
82°
59°
26
82°
60°
27
81°
61°
28
83°
59°
29
82°
59°
30
78°
54°
1
83°
62°
2
75°
61°
3
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pine Ridge
Pine Ridge's September 2026 forecast shows daily high temperatures ranging from 75° to 98°, with overnight lows between 54° and 69°. The average high for September is 87° with an average low of 62°. 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 Pine Ridge. See also: October | November | December.