S
M
T
W
T
F
S
30
91°
60°
31
92°
60°
1
91°
59°
2
91°
59°
3
90°
58°
4
88°
58°
5
90°
57°
6
87°
58°
7
88°
58°
8
89°
57°
9
89°
58°
10
88°
58°
11
83°
56°
12
89°
57°
13
91°
55°
14
89°
56°
15
88°
55°
16
87°
54°
17
86°
54°
18
83°
53°
19
76°
54°
20
76°
53°
21
83°
54°
22
86°
54°
23
77°
52°
24
76°
51°
25
74°
51°
26
79°
49°
27
80°
46°
28
78°
50°
29
78°
51°
30
82°
49°
1
75°
47°
2
79°
48°
3
79°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Reno
Reno's September 2026 forecast shows daily high temperatures ranging from 74° to 92°, with overnight lows between 46° and 60°. The average high for September is 84° with an average low of 54°. 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 Reno. See also: October | November | December.
