S
M
T
W
T
F
S
30
84°
51°
31
83°
46°
1
81°
47°
2
82°
47°
3
84°
49°
4
84°
49°
5
81°
50°
6
80°
44°
7
82°
48°
8
88°
52°
9
89°
52°
10
89°
52°
11
88°
52°
12
89°
51°
13
88°
52°
14
82°
44°
15
78°
47°
16
80°
49°
17
87°
50°
18
77°
47°
19
78°
46°
20
78°
48°
21
83°
50°
22
82°
47°
23
75°
45°
24
75°
42°
25
76°
40°
26
75°
39°
27
74°
39°
28
74°
38°
29
75°
39°
30
75°
38°
1
76°
38°
2
74°
37°
3
71°
36°
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 71° to 89°, with overnight lows between 36° and 52°. The average high for September is 80° with an average low of 46°. 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.
