S
M
T
W
T
F
S
30
111°
90°
31
107°
86°
1
107°
81°
2
102°
74°
3
99°
74°
4
98°
77°
5
92°
79°
6
92°
78°
7
95°
77°
8
99°
78°
9
97°
76°
10
96°
75°
11
97°
74°
12
95°
73°
13
94°
74°
14
96°
75°
15
101°
70°
16
104°
75°
17
103°
74°
18
96°
67°
19
97°
69°
20
98°
72°
21
99°
73°
22
100°
72°
23
100°
73°
24
96°
69°
25
97°
72°
26
100°
72°
27
100°
71°
28
98°
71°
29
99°
70°
30
98°
69°
1
99°
70°
2
98°
70°
3
97°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ocotillo
Ocotillo's September 2026 forecast shows daily high temperatures ranging from 92° to 104°, with overnight lows between 67° and 79°. The average high for September is 98° 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 Ocotillo. See also: October | November | December.
