S
M
T
W
T
F
S
30
86°
43°
31
88°
44°
1
77°
45°
2
62°
48°
3
61°
42°
4
66°
35°
5
72°
39°
6
68°
44°
7
77°
37°
8
86°
39°
9
93°
42°
10
94°
59°
11
88°
45°
12
80°
42°
13
68°
42°
14
79°
36°
15
82°
36°
16
77°
49°
17
75°
38°
18
82°
39°
19
85°
41°
20
88°
39°
21
88°
42°
22
83°
47°
23
83°
42°
24
85°
39°
25
70°
50°
26
75°
36°
27
72°
42°
28
79°
37°
29
83°
38°
30
85°
37°
1
85°
46°
2
89°
43°
3
90°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Grenada
Grenada's September 2026 forecast shows daily high temperatures ranging from 85° to 90°, with overnight lows between 43° and 46°. The average high for September is 88° with an average low of 44°. 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 Grenada. See also: October | November | December.
