S
M
T
W
T
F
S
31
79°
60°
1
80°
55°
2
79°
58°
3
71°
60°
4
90°
59°
5
93°
64°
6
94°
69°
7
82°
66°
8
82°
63°
9
77°
61°
10
74°
66°
11
78°
67°
12
81°
65°
13
84°
62°
14
82°
62°
15
83°
66°
16
73°
64°
17
84°
63°
18
86°
63°
19
92°
64°
20
91°
64°
21
87°
64°
22
86°
59°
23
92°
62°
24
95°
69°
25
95°
73°
26
94°
73°
27
82°
72°
28
82°
70°
29
76°
70°
30
81°
69°
1
80°
59°
2
78°
57°
3
82°
54°
4
85°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mount Olive
Mount Olive's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Mount Olive. See also: October | November | December.