S
M
T
W
T
F
S
30
87°
51°
31
89°
55°
1
82°
57°
2
75°
54°
3
76°
57°
4
71°
53°
5
78°
47°
6
80°
48°
7
80°
48°
8
86°
51°
9
92°
56°
10
92°
61°
11
89°
59°
12
87°
54°
13
82°
56°
14
75°
46°
15
84°
47°
16
81°
47°
17
75°
44°
18
76°
46°
19
83°
47°
20
83°
53°
21
83°
53°
22
84°
56°
23
85°
55°
24
78°
51°
25
80°
50°
26
76°
48°
27
73°
48°
28
75°
47°
29
78°
46°
30
73°
49°
1
77°
50°
2
78°
50°
3
79°
49°
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 73° to 85°, with overnight lows between 44° and 56°. The average high for September is 79° with an average low of 49°. 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.
