S
M
T
W
T
F
S
30
82°
56°
31
85°
60°
1
87°
60°
2
87°
59°
3
86°
57°
4
86°
60°
5
85°
59°
6
80°
57°
7
81°
58°
8
80°
58°
9
83°
51°
10
80°
52°
11
81°
58°
12
84°
57°
13
83°
56°
14
79°
57°
15
84°
56°
16
83°
57°
17
Hist. Avg.
77°
53°
18
Hist. Avg.
77°
53°
19
Hist. Avg.
76°
52°
20
Hist. Avg.
76°
52°
21
Hist. Avg.
76°
52°
22
Hist. Avg.
75°
51°
23
Hist. Avg.
75°
51°
24
Hist. Avg.
74°
50°
25
Hist. Avg.
74°
50°
26
Hist. Avg.
74°
50°
27
Hist. Avg.
73°
49°
28
Hist. Avg.
73°
49°
29
Hist. Avg.
72°
48°
30
Hist. Avg.
72°
48°
1
Hist. Avg.
72°
47°
2
Hist. Avg.
71°
47°
3
Hist. Avg.
71°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lost River District
Lost River District's September 2026 forecast shows daily high temperatures ranging from 79° to 87°, with overnight lows between 51° and 60°. The average high for September is 83° with an average low of 57°. 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 Lost River District. See also: October | November | December.
