S
M
T
W
T
F
S
30
77°
61°
31
78°
61°
1
77°
58°
2
78°
59°
3
80°
59°
4
75°
60°
5
75°
60°
6
76°
57°
7
80°
61°
8
80°
61°
9
81°
62°
10
81°
62°
11
80°
61°
12
79°
61°
13
76°
60°
14
73°
59°
15
74°
59°
16
77°
61°
17
80°
63°
18
81°
61°
19
80°
60°
20
80°
61°
21
79°
61°
22
80°
60°
23
77°
60°
24
76°
59°
25
79°
60°
26
79°
61°
27
80°
60°
28
79°
60°
29
77°
56°
30
79°
59°
1
76°
56°
2
71°
52°
3
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in San Lorenzo
San Lorenzo's September 2026 forecast shows daily high temperatures ranging from 71° to 81°, with overnight lows between 52° and 63°. The average high for September is 78° with an average low of 60°. 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 Lorenzo. See also: October | November | December.
