S
M
T
W
T
F
S
30
68°
51°
31
68°
52°
1
69°
50°
2
69°
49°
3
67°
49°
4
66°
52°
5
66°
47°
6
67°
50°
7
66°
49°
8
65°
48°
9
65°
53°
10
68°
54°
11
64°
55°
12
70°
54°
13
67°
51°
14
63°
52°
15
67°
52°
16
67°
53°
17
Hist. Avg.
62°
48°
18
Hist. Avg.
62°
48°
19
Hist. Avg.
62°
48°
20
Hist. Avg.
61°
48°
21
Hist. Avg.
61°
48°
22
Hist. Avg.
61°
48°
23
Hist. Avg.
60°
47°
24
Hist. Avg.
60°
47°
25
Hist. Avg.
60°
47°
26
Hist. Avg.
59°
47°
27
Hist. Avg.
59°
47°
28
Hist. Avg.
59°
46°
29
Hist. Avg.
58°
46°
30
Hist. Avg.
58°
46°
1
Hist. Avg.
58°
46°
2
Hist. Avg.
57°
46°
3
Hist. Avg.
57°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Oester
Oester's September 2026 forecast shows daily high temperatures ranging from 63° to 70°, with overnight lows between 47° and 55°. The average high for September is 67° with an average low of 51°. 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 Oester. See also: October | November | December.