S
M
T
W
T
F
S
30
83°
50°
31
83°
52°
1
84°
51°
2
83°
54°
3
82°
49°
4
81°
50°
5
87°
55°
6
87°
51°
7
82°
51°
8
81°
51°
9
Hist. Avg.
88°
57°
10
Hist. Avg.
88°
56°
11
Hist. Avg.
87°
56°
12
Hist. Avg.
87°
56°
13
Hist. Avg.
87°
55°
14
Hist. Avg.
86°
55°
15
Hist. Avg.
86°
54°
16
Hist. Avg.
86°
54°
17
Hist. Avg.
85°
53°
18
Hist. Avg.
85°
53°
19
Hist. Avg.
85°
53°
20
Hist. Avg.
84°
52°
21
Hist. Avg.
84°
52°
22
Hist. Avg.
84°
51°
23
Hist. Avg.
83°
51°
24
Hist. Avg.
83°
50°
25
Hist. Avg.
82°
50°
26
Hist. Avg.
82°
49°
27
Hist. Avg.
82°
49°
28
Hist. Avg.
81°
48°
29
Hist. Avg.
81°
48°
30
Hist. Avg.
80°
47°
1
Hist. Avg.
80°
47°
2
Hist. Avg.
80°
46°
3
Hist. Avg.
79°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in First Mesa
First Mesa's September 2026 forecast shows daily high temperatures ranging from 81° to 87°, with overnight lows between 49° and 55°. The average high for September is 83° with an average low of 51°. 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 First Mesa. See also: October | November | December.
