S
M
T
W
T
F
S
30
72°
45°
31
73°
48°
1
74°
49°
2
73°
47°
3
77°
50°
4
77°
50°
5
71°
46°
6
71°
48°
7
73°
48°
8
74°
47°
9
75°
48°
10
70°
48°
11
79°
48°
12
80°
47°
13
80°
48°
14
79°
46°
15
77°
44°
16
72°
43°
17
68°
43°
18
71°
41°
19
73°
44°
20
75°
42°
21
74°
42°
22
74°
41°
23
75°
43°
24
76°
43°
25
75°
41°
26
74°
42°
27
71°
41°
28
65°
37°
29
70°
40°
30
72°
41°
1
71°
36°
2
61°
35°
3
65°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gypsum
Gypsum's September 2026 forecast shows daily high temperatures ranging from 61° to 80°, with overnight lows between 34° and 50°. The average high for September is 73° with an average low of 44°. 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 Gypsum. See also: October | November | December.
