S
M
T
W
T
F
S
30
93°
61°
31
94°
62°
1
94°
65°
2
93°
63°
3
91°
63°
4
91°
61°
5
88°
63°
6
92°
63°
7
93°
61°
8
91°
61°
9
92°
59°
10
88°
58°
11
89°
60°
12
92°
60°
13
93°
61°
14
94°
57°
15
92°
54°
16
84°
55°
17
83°
55°
18
82°
57°
19
83°
55°
20
83°
54°
21
84°
55°
22
87°
57°
23
87°
57°
24
83°
58°
25
82°
57°
26
83°
58°
27
88°
59°
28
87°
57°
29
82°
54°
30
80°
55°
1
81°
56°
2
80°
55°
3
79°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Las Cruces
Las Cruces's September 2026 forecast shows daily high temperatures ranging from 79° to 94°, with overnight lows between 54° and 65°. The average high for September is 87° with an average low of 58°. 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.
