S
M
T
W
T
F
S
30
93°
68°
31
96°
69°
1
96°
71°
2
98°
71°
3
98°
72°
4
98°
73°
5
99°
73°
6
101°
74°
7
100°
75°
8
96°
73°
9
98°
73°
10
99°
72°
11
99°
71°
12
100°
70°
13
101°
72°
14
96°
66°
15
95°
65°
16
93°
67°
17
87°
62°
18
83°
66°
19
87°
65°
20
88°
66°
21
89°
66°
22
90°
65°
23
89°
65°
24
89°
66°
25
88°
65°
26
84°
63°
27
79°
57°
28
78°
54°
29
77°
53°
30
78°
53°
1
80°
56°
2
81°
56°
3
76°
55°
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 76° to 101°, with overnight lows between 53° and 75°. The average high for September is 90° with an average low of 65°. 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.
