S
M
T
W
T
F
S
30
100°
70°
31
101°
71°
1
101°
71°
2
100°
72°
3
100°
73°
4
99°
73°
5
100°
75°
6
100°
76°
7
101°
76°
8
98°
75°
9
99°
73°
10
100°
74°
11
99°
75°
12
99°
74°
13
100°
75°
14
100°
71°
15
98°
65°
16
92°
65°
17
89°
67°
18
89°
70°
19
90°
66°
20
90°
65°
21
91°
65°
22
91°
68°
23
90°
68°
24
90°
67°
25
91°
67°
26
91°
68°
27
94°
64°
28
93°
65°
29
90°
67°
30
90°
67°
1
89°
66°
2
88°
65°
3
87°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Presidio
Presidio's September 2026 forecast shows daily high temperatures ranging from 87° to 101°, with overnight lows between 63° and 76°. The average high for September is 95° with an average low of 69°. 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 Presidio. See also: October | November | December.
