S
M
T
W
T
F
S
30
85°
63°
31
84°
63°
1
86°
64°
2
85°
63°
3
84°
62°
4
84°
61°
5
85°
62°
6
86°
63°
7
86°
63°
8
85°
62°
9
86°
62°
10
84°
61°
11
84°
63°
12
86°
63°
13
86°
61°
14
75°
50°
15
73°
56°
16
74°
58°
17
73°
52°
18
84°
59°
19
84°
57°
20
83°
51°
21
76°
50°
22
70°
51°
23
68°
55°
24
70°
52°
25
71°
54°
26
76°
56°
27
79°
56°
28
80°
55°
29
80°
56°
30
79°
47°
1
78°
42°
2
68°
41°
3
64°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Argenta
Argenta's September 2026 forecast shows daily high temperatures ranging from 64° to 86°, with overnight lows between 41° and 64°. The average high for September is 79° with an average low of 56°. 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 Argenta. See also: October | November | December.