S
M
T
W
T
F
S
30
86°
69°
31
89°
71°
1
91°
71°
2
95°
70°
3
90°
67°
4
86°
66°
5
85°
63°
6
83°
62°
7
83°
61°
8
80°
63°
9
79°
59°
10
78°
55°
11
77°
55°
12
80°
60°
13
81°
60°
14
79°
59°
15
79°
60°
16
78°
59°
17
79°
58°
18
78°
58°
19
79°
60°
20
80°
60°
21
80°
59°
22
79°
59°
23
79°
58°
24
78°
58°
25
79°
57°
26
78°
56°
27
79°
57°
28
78°
57°
29
77°
55°
30
76°
55°
1
75°
54°
2
76°
55°
3
76°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Buchanan
Buchanan's September 2026 forecast shows daily high temperatures ranging from 75° to 95°, with overnight lows between 54° and 71°. The average high for September is 81° with an average low of 60°. 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 Buchanan. See also: October | November | December.
