S
M
T
W
T
F
S
30
74°
53°
31
75°
61°
1
77°
62°
2
74°
64°
3
80°
64°
4
84°
61°
5
85°
59°
6
76°
52°
7
72°
52°
8
74°
59°
9
77°
54°
10
78°
58°
11
76°
54°
12
75°
59°
13
76°
59°
14
81°
57°
15
74°
57°
16
70°
56°
17
69°
57°
18
70°
52°
19
77°
49°
20
69°
55°
21
73°
47°
22
69°
48°
23
68°
47°
24
70°
47°
25
72°
52°
26
73°
48°
27
67°
55°
28
68°
50°
29
72°
44°
30
64°
52°
1
69°
48°
2
73°
47°
3
65°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Waterport
Waterport's September 2026 forecast shows daily high temperatures ranging from 64° to 85°, with overnight lows between 44° and 64°. The average high for September is 73° with an average low of 54°. 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 Waterport. See also: October | November | December.
