S
M
T
W
T
F
S
30
80°
61°
31
85°
66°
1
86°
62°
2
85°
61°
3
80°
60°
4
81°
61°
5
84°
65°
6
85°
66°
7
85°
65°
8
83°
64°
9
83°
65°
10
84°
64°
11
83°
64°
12
83°
65°
13
82°
63°
14
79°
59°
15
77°
60°
16
75°
61°
17
78°
59°
18
76°
58°
19
81°
61°
20
80°
62°
21
79°
60°
22
77°
59°
23
78°
59°
24
79°
60°
25
78°
54°
26
72°
52°
27
Hist. Avg.
76°
55°
28
Hist. Avg.
76°
55°
29
Hist. Avg.
76°
54°
30
Hist. Avg.
75°
54°
1
Hist. Avg.
75°
54°
2
Hist. Avg.
75°
53°
3
Hist. Avg.
74°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Buchanan
Buchanan's September 2026 forecast shows daily high temperatures ranging from 72° to 86°, with overnight lows between 52° and 66°. The average high for September is 81° with an average low of 61°. 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.
