S
M
T
W
T
F
S
30
93°
62°
31
92°
59°
1
91°
62°
2
97°
58°
3
96°
63°
4
99°
65°
5
96°
61°
6
89°
66°
7
92°
64°
8
87°
56°
9
81°
53°
10
89°
60°
11
94°
57°
12
81°
52°
13
75°
49°
14
76°
52°
15
78°
52°
16
81°
53°
17
80°
52°
18
81°
51°
19
76°
47°
20
68°
52°
21
81°
55°
22
80°
54°
23
80°
53°
24
75°
53°
25
72°
52°
26
73°
52°
27
78°
51°
28
77°
50°
29
72°
41°
30
62°
39°
1
62°
39°
2
60°
35°
3
62°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Arthur
Arthur's September 2026 forecast shows daily high temperatures ranging from 60° to 94°, with overnight lows between 35° and 66°. The average high for September is 77° 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 Arthur. See also: October | November | December.
