S
M
T
W
T
F
S
30
93°
55°
31
88°
52°
1
88°
56°
2
92°
53°
3
93°
51°
4
85°
50°
5
86°
52°
6
89°
47°
7
90°
45°
8
84°
47°
9
85°
44°
10
85°
44°
11
84°
48°
12
88°
49°
13
89°
49°
14
91°
51°
15
91°
51°
16
93°
54°
17
92°
42°
18
82°
45°
19
81°
49°
20
89°
51°
21
90°
45°
22
89°
39°
23
78°
39°
24
79°
41°
25
86°
46°
26
78°
39°
27
77°
39°
28
Hist. Avg.
77°
44°
29
Hist. Avg.
76°
43°
30
Hist. Avg.
76°
43°
1
Hist. Avg.
75°
42°
2
Hist. Avg.
75°
42°
3
Hist. Avg.
74°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Glenns Ferry
Glenns Ferry's September 2026 forecast shows daily high temperatures ranging from 77° to 93°, with overnight lows between 39° and 56°. The average high for September is 87° with an average low of 47°. 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 Glenns Ferry. See also: October | November | December.
