S
M
T
W
T
F
S
30
87°
51°
31
89°
55°
1
82°
57°
2
75°
54°
3
71°
54°
4
70°
47°
5
75°
49°
6
75°
44°
7
78°
50°
8
80°
55°
9
82°
56°
10
75°
55°
11
82°
52°
12
81°
55°
13
82°
54°
14
81°
55°
15
81°
56°
16
84°
50°
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 70° to 85°, with overnight lows between 44° 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.
