S
M
T
W
T
F
S
30
91°
63°
31
94°
67°
1
94°
72°
2
92°
65°
3
92°
63°
4
92°
68°
5
98°
64°
6
87°
61°
7
83°
55°
8
87°
59°
9
90°
57°
10
91°
60°
11
95°
67°
12
79°
64°
13
76°
61°
14
76°
60°
15
79°
57°
16
82°
58°
17
83°
57°
18
81°
57°
19
76°
56°
20
78°
55°
21
77°
56°
22
76°
55°
23
68°
49°
24
69°
50°
25
75°
53°
26
76°
54°
27
75°
50°
28
66°
48°
29
74°
53°
30
75°
50°
1
72°
48°
2
63°
50°
3
63°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gruia
Gruia's September 2026 forecast shows daily high temperatures ranging from 63° to 95°, with overnight lows between 48° and 67°. The average high for September is 77° with an average low of 55°. 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 Gruia. See also: October | November | December.