S
M
T
W
T
F
S
30
78°
50°
31
79°
45°
1
78°
46°
2
77°
50°
3
80°
45°
4
77°
39°
5
73°
39°
6
74°
42°
7
74°
45°
8
75°
44°
9
77°
42°
10
76°
40°
11
73°
41°
12
73°
42°
13
73°
42°
14
73°
36°
15
69°
35°
16
Hist. Avg.
80°
40°
17
Hist. Avg.
80°
40°
18
Hist. Avg.
79°
40°
19
Hist. Avg.
79°
40°
20
Hist. Avg.
78°
39°
21
Hist. Avg.
78°
39°
22
Hist. Avg.
77°
38°
23
Hist. Avg.
77°
38°
24
Hist. Avg.
76°
38°
25
Hist. Avg.
76°
37°
26
Hist. Avg.
75°
37°
27
Hist. Avg.
75°
36°
28
Hist. Avg.
74°
36°
29
Hist. Avg.
74°
36°
30
Hist. Avg.
73°
35°
1
Hist. Avg.
73°
35°
2
Hist. Avg.
72°
34°
3
Hist. Avg.
72°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Arthur
Arthur's September 2026 forecast shows daily high temperatures ranging from 69° to 80°, with overnight lows between 35° and 50°. The average high for September is 75° with an average low of 43°. 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.
