S
M
T
W
T
F
S
30
100°
77°
31
99°
75°
1
99°
78°
2
102°
76°
3
105°
77°
4
101°
77°
5
100°
74°
6
97°
73°
7
98°
73°
8
100°
77°
9
99°
76°
10
99°
76°
11
102°
75°
12
105°
77°
13
101°
78°
14
97°
76°
15
100°
76°
16
97°
73°
17
97°
75°
18
97°
74°
19
98°
73°
20
94°
66°
21
91°
69°
22
89°
69°
23
89°
69°
24
92°
72°
25
87°
73°
26
95°
71°
27
95°
68°
28
94°
68°
29
87°
71°
30
90°
68°
1
84°
63°
2
69°
60°
3
76°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Big Spring
Big Spring's September 2026 forecast shows daily high temperatures ranging from 69° to 76°, with overnight lows between 60° and 62°. The average high for September is 73° with an average low of 61°. 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 Big Spring. See also: October | November | December.
