S
M
T
W
T
F
S
30
86°
69°
31
85°
64°
1
83°
63°
2
79°
62°
3
80°
62°
4
84°
67°
5
84°
64°
6
83°
62°
7
79°
61°
8
79°
63°
9
80°
61°
10
79°
60°
11
80°
59°
12
79°
60°
13
78°
59°
14
77°
58°
15
78°
59°
16
77°
59°
17
80°
64°
18
81°
63°
19
79°
62°
20
77°
63°
21
Hist. Avg.
81°
61°
22
Hist. Avg.
81°
60°
23
Hist. Avg.
81°
60°
24
Hist. Avg.
80°
60°
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 77° to 86°, with overnight lows between 58° and 69°. The average high for September is 80° with an average low of 62°. 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.
