S
M
T
W
T
F
S
30
64°
57°
31
63°
55°
1
N/A
2
64°
58°
3
64°
55°
4
62°
53°
5
62°
53°
6
66°
55°
7
62°
54°
8
61°
50°
9
62°
48°
10
60°
47°
11
60°
45°
12
62°
47°
13
63°
49°
14
64°
52°
15
61°
51°
16
59°
51°
17
60°
50°
18
61°
52°
19
61°
51°
20
60°
51°
21
62°
52°
22
62°
51°
23
61°
50°
24
61°
51°
25
60°
50°
26
61°
50°
27
61°
49°
28
60°
50°
29
61°
49°
30
58°
46°
1
55°
45°
2
55°
47°
3
56°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Prestwick
Prestwick's September 2026 forecast shows daily high temperatures ranging from 55° to 66°, with overnight lows between 45° and 58°. The average high for September is 61° with an average low of 50°. 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 Prestwick. See also: October | November | December.
