S
M
T
W
T
F
S
30
82°
47°
31
81°
48°
1
81°
46°
2
82°
46°
3
81°
49°
4
82°
45°
5
80°
46°
6
81°
47°
7
79°
44°
8
76°
43°
9
76°
41°
10
75°
43°
11
78°
41°
12
79°
43°
13
79°
41°
14
78°
46°
15
79°
44°
16
76°
45°
17
76°
38°
18
73°
35°
19
71°
37°
20
71°
37°
21
73°
40°
22
76°
44°
23
76°
44°
24
71°
42°
25
70°
43°
26
69°
41°
27
69°
38°
28
68°
37°
29
66°
37°
30
74°
38°
1
75°
40°
2
Hist. Avg.
73°
38°
3
Hist. Avg.
72°
38°
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 66° to 82°, with overnight lows between 35° and 49°. The average high for September is 76° with an average low of 42°. 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.
