S
M
T
W
T
F
S
30
102°
70°
31
101°
76°
1
99°
72°
2
100°
72°
3
103°
73°
4
102°
76°
5
101°
71°
6
99°
75°
7
97°
72°
8
99°
74°
9
99°
74°
10
99°
74°
11
104°
70°
12
106°
71°
13
101°
71°
14
97°
72°
15
97°
69°
16
90°
68°
17
91°
67°
18
88°
66°
19
85°
64°
20
84°
60°
21
86°
59°
22
86°
60°
23
85°
58°
24
84°
60°
25
86°
61°
26
83°
57°
27
78°
62°
28
82°
61°
29
78°
60°
30
78°
61°
1
79°
60°
2
79°
60°
3
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Carlsbad Caverns National Park
Carlsbad Caverns National Park's September 2026 forecast shows daily high temperatures ranging from 78° to 101°, with overnight lows between 57° and 72°. The average high for September is 85° with an average low of 63°. 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 Carlsbad Caverns National Park. See also: October | November | December.
