S
M
T
W
T
F
S
30
89°
74°
31
87°
73°
1
88°
72°
2
87°
72°
3
87°
73°
4
88°
74°
5
88°
73°
6
87°
73°
7
87°
72°
8
88°
73°
9
87°
73°
10
87°
72°
11
88°
74°
12
89°
73°
13
88°
74°
14
90°
72°
15
90°
74°
16
91°
73°
17
90°
73°
18
90°
74°
19
91°
73°
20
91°
74°
21
90°
74°
22
91°
74°
23
91°
74°
24
90°
74°
25
91°
73°
26
90°
74°
27
91°
73°
28
90°
74°
29
91°
73°
30
90°
74°
1
90°
74°
2
91°
73°
3
91°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Delicias
Delicias's September 2026 forecast shows daily high temperatures ranging from 87° to 91°, with overnight lows between 72° and 74°. The average high for September is 89° with an average low of 73°. 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 Delicias. See also: October | November | December.