S
M
T
W
T
F
S
30
87°
71°
31
91°
68°
1
96°
71°
2
97°
72°
3
97°
72°
4
96°
72°
5
99°
71°
6
90°
68°
7
80°
65°
8
82°
66°
9
86°
68°
10
91°
71°
11
89°
65°
12
85°
67°
13
87°
68°
14
88°
66°
15
87°
65°
16
85°
64°
17
87°
70°
18
77°
65°
19
78°
65°
20
79°
64°
21
78°
65°
22
79°
65°
23
83°
64°
24
79°
63°
25
77°
64°
26
79°
63°
27
82°
60°
28
80°
53°
29
74°
52°
30
74°
52°
1
75°
55°
2
75°
59°
3
72°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Una
Una's September 2026 forecast shows daily high temperatures ranging from 72° to 99°, with overnight lows between 52° and 72°. The average high for September is 82° with an average low of 64°. 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 Una. See also: October | November | December.