S
M
T
W
T
F
S
30
87°
51°
31
89°
55°
1
82°
57°
2
71°
53°
3
72°
55°
4
69°
46°
5
75°
48°
6
75°
47°
7
76°
47°
8
80°
53°
9
80°
56°
10
81°
55°
11
82°
53°
12
81°
53°
13
82°
54°
14
81°
53°
15
84°
50°
16
87°
54°
17
84°
54°
18
77°
51°
19
76°
47°
20
76°
49°
21
82°
53°
22
85°
53°
23
81°
52°
24
78°
49°
25
74°
47°
26
76°
50°
27
82°
52°
28
83°
52°
29
82°
51°
30
81°
50°
1
82°
51°
2
81°
51°
3
80°
50°
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 69° to 87°, with overnight lows between 46° and 56°. The average high for September is 79° with an average low of 51°. 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.
