S
M
T
W
T
F
S
30
88°
65°
31
87°
64°
1
86°
65°
2
87°
66°
3
87°
63°
4
83°
64°
5
83°
63°
6
86°
66°
7
87°
66°
8
86°
65°
9
86°
65°
10
85°
64°
11
86°
66°
12
86°
66°
13
86°
65°
14
85°
64°
15
85°
62°
16
84°
62°
17
85°
63°
18
84°
60°
19
84°
62°
20
82°
63°
21
83°
62°
22
82°
61°
23
83°
60°
24
82°
61°
25
82°
57°
26
81°
60°
27
82°
56°
28
Hist. Avg.
83°
60°
29
Hist. Avg.
83°
60°
30
Hist. Avg.
82°
60°
1
Hist. Avg.
82°
59°
2
Hist. Avg.
82°
59°
3
Hist. Avg.
82°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Olive Branch
Olive Branch's September 2026 forecast shows daily high temperatures ranging from 81° to 88°, with overnight lows between 56° and 66°. The average high for September is 85° with an average low of 63°. 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 Olive Branch. See also: October | November | December.
