S
M
T
W
T
F
S
30
88°
68°
31
89°
68°
1
85°
66°
2
85°
66°
3
89°
67°
4
90°
68°
5
89°
68°
6
87°
67°
7
89°
63°
8
84°
62°
9
84°
61°
10
85°
61°
11
85°
62°
12
87°
62°
13
86°
64°
14
87°
62°
15
86°
66°
16
87°
65°
17
84°
58°
18
82°
58°
19
80°
59°
20
79°
65°
21
81°
58°
22
80°
61°
23
80°
63°
24
81°
63°
25
82°
62°
26
82°
63°
27
84°
62°
28
79°
61°
29
78°
60°
30
78°
60°
1
77°
60°
2
78°
54°
3
77°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Newberry
Newberry's September 2026 forecast shows daily high temperatures ranging from 77° to 90°, with overnight lows between 53° and 68°. The average high for September is 84° with an average low of 62°. 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 Newberry. See also: October | November | December.