S
M
T
W
T
F
S
30
106°
89°
31
100°
85°
1
101°
84°
2
102°
82°
3
100°
82°
4
102°
83°
5
102°
82°
6
92°
79°
7
98°
78°
8
108°
80°
9
110°
88°
10
113°
88°
11
109°
87°
12
105°
86°
13
106°
86°
14
104°
81°
15
103°
80°
16
105°
81°
17
106°
80°
18
108°
81°
19
107°
80°
20
105°
80°
21
100°
76°
22
99°
74°
23
100°
73°
24
99°
71°
25
92°
66°
26
95°
70°
27
99°
75°
28
96°
74°
29
94°
74°
30
97°
73°
1
100°
73°
2
100°
72°
3
99°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lake Havasu City
Lake Havasu City's September 2026 forecast shows daily high temperatures ranging from 92° to 109°, with overnight lows between 66° and 87°. The average high for September is 101° with an average low of 77°. 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 Lake Havasu City. See also: October | November | December.
