S
M
T
W
T
F
S
30
82°
51°
31
82°
53°
1
81°
54°
2
82°
55°
3
81°
56°
4
82°
56°
5
82°
55°
6
77°
55°
7
75°
54°
8
78°
53°
9
76°
51°
10
77°
50°
11
76°
51°
12
76°
50°
13
75°
48°
14
75°
49°
15
76°
49°
16
74°
50°
17
76°
49°
18
77°
48°
19
75°
51°
20
76°
53°
21
79°
54°
22
80°
55°
23
76°
54°
24
82°
55°
25
82°
54°
26
Hist. Avg.
87°
50°
27
Hist. Avg.
87°
50°
28
Hist. Avg.
87°
50°
29
Hist. Avg.
86°
50°
30
Hist. Avg.
86°
50°
1
Hist. Avg.
86°
50°
2
Hist. Avg.
86°
49°
3
Hist. Avg.
86°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Las Cruces
Las Cruces's September 2026 forecast shows daily high temperatures ranging from 74° to 82°, with overnight lows between 48° and 56°. The average high for September is 78° with an average low of 52°. 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 Las Cruces. See also: October | November | December.
