S
M
T
W
T
F
S
30
97°
84°
31
96°
82°
1
99°
82°
2
95°
81°
3
92°
82°
4
100°
83°
5
97°
82°
6
100°
81°
7
93°
82°
8
99°
84°
9
99°
84°
10
99°
84°
11
93°
71°
12
93°
71°
13
92°
70°
14
93°
71°
15
89°
70°
16
92°
71°
17
91°
68°
18
88°
68°
19
88°
67°
20
86°
68°
21
85°
67°
22
85°
67°
23
84°
68°
24
85°
68°
25
84°
68°
26
85°
68°
27
84°
68°
28
83°
69°
29
83°
69°
30
85°
68°
1
84°
69°
2
84°
69°
3
85°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in San Francisco Gotera
San Francisco Gotera's September 2026 forecast shows daily high temperatures ranging from 83° to 93°, with overnight lows between 67° and 71°. The average high for September is 87° 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 San Francisco Gotera. See also: October | November | December.