S
M
T
W
T
F
S
30
82°
51°
31
81°
50°
1
81°
51°
2
82°
50°
3
81°
49°
4
80°
48°
5
79°
48°
6
79°
50°
7
80°
46°
8
79°
49°
9
79°
48°
10
80°
49°
11
78°
47°
12
78°
46°
13
79°
48°
14
80°
49°
15
83°
51°
16
84°
52°
17
84°
45°
18
82°
42°
19
74°
42°
20
77°
48°
21
82°
49°
22
83°
40°
23
74°
40°
24
73°
39°
25
75°
43°
26
70°
41°
27
71°
44°
28
Hist. Avg.
74°
47°
29
Hist. Avg.
74°
46°
30
Hist. Avg.
74°
46°
1
Hist. Avg.
73°
46°
2
Hist. Avg.
72°
45°
3
Hist. Avg.
72°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lehi
Lehi's September 2026 forecast shows daily high temperatures ranging from 70° to 84°, with overnight lows between 39° and 52°. The average high for September is 79° with an average low of 47°. 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 Lehi. See also: October | November | December.
