S
M
T
W
T
F
S
30
90°
66°
31
87°
68°
1
90°
68°
2
91°
67°
3
90°
66°
4
88°
62°
5
86°
62°
6
85°
62°
7
84°
60°
8
83°
61°
9
83°
62°
10
84°
63°
11
85°
64°
12
86°
64°
13
88°
65°
14
88°
62°
15
85°
61°
16
83°
64°
17
83°
66°
18
87°
66°
19
86°
65°
20
88°
66°
21
89°
66°
22
84°
64°
23
83°
60°
24
82°
59°
25
82°
58°
26
80°
59°
27
80°
62°
28
82°
60°
29
83°
60°
30
81°
58°
1
Hist. Avg.
83°
64°
2
Hist. Avg.
83°
64°
3
Hist. Avg.
83°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bartolo
Bartolo's September 2026 forecast shows daily high temperatures ranging from 80° to 91°, with overnight lows between 58° and 68°. The average high for September is 85° with an average low of 63°. 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 Bartolo. See also: October | November | December.
