S
M
T
W
T
F
S
30
88°
54°
31
86°
52°
1
85°
51°
2
85°
53°
3
89°
53°
4
90°
56°
5
91°
55°
6
91°
55°
7
90°
57°
8
91°
57°
9
91°
55°
10
85°
54°
11
82°
56°
12
88°
56°
13
89°
57°
14
89°
55°
15
88°
54°
16
85°
52°
17
83°
54°
18
86°
52°
19
86°
47°
20
78°
47°
21
Hist. Avg.
82°
49°
22
Hist. Avg.
81°
48°
23
Hist. Avg.
81°
48°
24
Hist. Avg.
80°
48°
25
Hist. Avg.
80°
47°
26
Hist. Avg.
80°
47°
27
Hist. Avg.
79°
47°
28
Hist. Avg.
79°
46°
29
Hist. Avg.
78°
46°
30
Hist. Avg.
78°
46°
1
Hist. Avg.
77°
45°
2
Hist. Avg.
77°
45°
3
Hist. Avg.
76°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Reno
Reno's September 2026 forecast shows daily high temperatures ranging from 78° to 91°, with overnight lows between 47° and 57°. The average high for September is 87° 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.
