S
M
T
W
T
F
S
30
101°
64°
31
100°
62°
1
99°
60°
2
97°
61°
3
96°
61°
4
98°
63°
5
98°
60°
6
97°
60°
7
96°
63°
8
92°
61°
9
93°
59°
10
94°
58°
11
92°
55°
12
93°
55°
13
90°
56°
14
90°
55°
15
89°
56°
16
89°
56°
17
93°
55°
18
92°
57°
19
88°
60°
20
94°
60°
21
95°
56°
22
96°
59°
23
Hist. Avg.
90°
57°
24
Hist. Avg.
90°
56°
25
Hist. Avg.
89°
56°
26
Hist. Avg.
89°
56°
27
Hist. Avg.
89°
56°
28
Hist. Avg.
88°
56°
29
Hist. Avg.
88°
55°
30
Hist. Avg.
87°
55°
1
Hist. Avg.
87°
55°
2
Hist. Avg.
86°
54°
3
Hist. Avg.
86°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Girvan
Girvan's September 2026 forecast shows daily high temperatures ranging from 88° to 101°, with overnight lows between 55° and 64°. The average high for September is 94° with an average low of 59°. 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 Girvan. See also: October | November | December.
