S
M
T
W
T
F
S
30
65°
49°
31
67°
52°
1
71°
58°
2
73°
58°
3
72°
57°
4
64°
48°
5
66°
48°
6
65°
51°
7
67°
49°
8
68°
55°
9
66°
49°
10
67°
48°
11
66°
49°
12
66°
55°
13
67°
48°
14
64°
46°
15
64°
48°
16
65°
49°
17
65°
51°
18
68°
53°
19
71°
53°
20
72°
47°
21
65°
49°
22
65°
47°
23
62°
47°
24
63°
46°
25
61°
44°
26
62°
45°
27
62°
48°
28
64°
52°
29
68°
50°
30
Hist. Avg.
65°
48°
1
Hist. Avg.
65°
48°
2
Hist. Avg.
64°
48°
3
Hist. Avg.
64°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Hammond
Hammond's September 2026 forecast shows daily high temperatures ranging from 61° to 73°, with overnight lows between 44° and 58°. The average high for September is 66° with an average low of 50°. 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 Hammond. See also: October | November | December.
