S
M
T
W
T
F
S
30
81°
64°
31
82°
66°
1
83°
67°
2
80°
65°
3
80°
62°
4
78°
61°
5
79°
61°
6
80°
62°
7
80°
62°
8
82°
64°
9
83°
64°
10
83°
61°
11
82°
61°
12
84°
66°
13
83°
65°
14
83°
66°
15
82°
66°
16
83°
65°
17
81°
62°
18
81°
63°
19
80°
62°
20
80°
62°
21
78°
63°
22
79°
59°
23
75°
59°
24
73°
61°
25
Hist. Avg.
80°
59°
26
Hist. Avg.
80°
59°
27
Hist. Avg.
79°
58°
28
Hist. Avg.
79°
58°
29
Hist. Avg.
79°
58°
30
Hist. Avg.
78°
57°
1
Hist. Avg.
78°
57°
2
Hist. Avg.
78°
56°
3
Hist. Avg.
78°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Campobello
Campobello's September 2026 forecast shows daily high temperatures ranging from 73° to 84°, with overnight lows between 59° and 67°. The average high for September is 81° 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 Campobello. See also: October | November | December.
