S
M
T
W
T
F
S
30
81°
46°
31
81°
49°
1
82°
51°
2
86°
50°
3
82°
48°
4
79°
46°
5
88°
55°
6
87°
54°
7
88°
55°
8
Hist. Avg.
82°
48°
9
Hist. Avg.
81°
48°
10
Hist. Avg.
81°
47°
11
Hist. Avg.
81°
47°
12
Hist. Avg.
80°
47°
13
Hist. Avg.
80°
47°
14
Hist. Avg.
80°
46°
15
Hist. Avg.
79°
46°
16
Hist. Avg.
79°
46°
17
Hist. Avg.
79°
45°
18
Hist. Avg.
78°
45°
19
Hist. Avg.
78°
45°
20
Hist. Avg.
78°
44°
21
Hist. Avg.
77°
44°
22
Hist. Avg.
77°
44°
23
Hist. Avg.
76°
44°
24
Hist. Avg.
76°
43°
25
Hist. Avg.
76°
43°
26
Hist. Avg.
75°
42°
27
Hist. Avg.
75°
42°
28
Hist. Avg.
74°
42°
29
Hist. Avg.
74°
42°
30
Hist. Avg.
74°
41°
1
Hist. Avg.
73°
41°
2
Hist. Avg.
73°
40°
3
Hist. Avg.
72°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lemmon Valley
Lemmon Valley's September 2026 forecast shows daily high temperatures ranging from 79° to 88°, with overnight lows between 46° and 55°. The average high for September is 84° with an average low of 50°. 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 Lemmon Valley. See also: October | November | December.
