S
M
T
W
T
F
S
30
94°
73°
31
94°
73°
1
93°
72°
2
95°
73°
3
91°
70°
4
88°
68°
5
89°
68°
6
90°
66°
7
93°
70°
8
94°
71°
9
93°
71°
10
94°
70°
11
94°
72°
12
93°
71°
13
92°
71°
14
92°
68°
15
93°
69°
16
93°
67°
17
91°
68°
18
85°
61°
19
91°
62°
20
84°
61°
21
84°
64°
22
86°
64°
23
86°
66°
24
89°
60°
25
89°
61°
26
83°
60°
27
83°
59°
28
87°
62°
29
84°
64°
30
88°
60°
1
85°
63°
2
85°
63°
3
86°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in St. Andrews
St. Andrews's September 2026 forecast shows daily high temperatures ranging from 83° to 95°, with overnight lows between 59° and 73°. The average high for September is 89° with an average low of 66°. 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 St. Andrews. See also: October | November | December.