S
M
T
W
T
F
S
30
83°
67°
31
82°
69°
1
81°
70°
2
82°
69°
3
81°
68°
4
82°
66°
5
81°
71°
6
80°
67°
7
80°
68°
8
81°
68°
9
81°
69°
10
82°
71°
11
80°
67°
12
79°
68°
13
80°
71°
14
79°
70°
15
80°
67°
16
81°
70°
17
79°
69°
18
78°
63°
19
78°
63°
20
Hist. Avg.
83°
66°
21
Hist. Avg.
83°
65°
22
Hist. Avg.
82°
65°
23
Hist. Avg.
82°
65°
24
Hist. Avg.
82°
64°
25
Hist. Avg.
82°
64°
26
Hist. Avg.
82°
64°
27
Hist. Avg.
81°
64°
28
Hist. Avg.
81°
63°
29
Hist. Avg.
81°
63°
30
Hist. Avg.
81°
63°
1
Hist. Avg.
80°
63°
2
Hist. Avg.
80°
62°
3
Hist. Avg.
80°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in San Fulgencio
San Fulgencio's September 2026 forecast shows daily high temperatures ranging from 78° to 83°, with overnight lows between 63° and 71°. The average high for September is 80° with an average low of 68°. 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 Fulgencio. See also: October | November | December.
