S
M
T
W
T
F
S
30
84°
54°
31
82°
55°
1
76°
52°
2
84°
44°
3
83°
43°
4
83°
54°
5
85°
55°
6
88°
51°
7
86°
62°
8
91°
56°
9
87°
54°
10
86°
47°
11
88°
49°
12
88°
52°
13
84°
55°
14
75°
52°
15
75°
50°
16
75°
50°
17
76°
46°
18
73°
47°
19
73°
45°
20
71°
44°
21
72°
43°
22
70°
44°
23
69°
45°
24
72°
38°
25
67°
40°
26
70°
43°
27
69°
44°
28
65°
42°
29
66°
38°
30
69°
38°
1
72°
41°
2
73°
40°
3
73°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in San Cristobal
San Cristobal's September 2026 forecast shows daily high temperatures ranging from 65° to 88°, with overnight lows between 38° and 55°. The average high for September is 73° with an average low of 45°. 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 San Cristobal. See also: October | November | December.
