S
M
T
W
T
F
S
30
91°
70°
31
91°
69°
1
89°
68°
2
87°
68°
3
88°
67°
4
87°
68°
5
85°
68°
6
85°
67°
7
84°
67°
8
85°
66°
9
86°
65°
10
84°
67°
11
84°
64°
12
86°
67°
13
89°
67°
14
87°
60°
15
84°
60°
16
83°
61°
17
82°
60°
18
85°
61°
19
87°
60°
20
87°
64°
21
86°
64°
22
83°
63°
23
84°
63°
24
84°
59°
25
82°
59°
26
85°
58°
27
84°
58°
28
84°
60°
29
85°
61°
30
86°
61°
1
85°
60°
2
85°
61°
3
83°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Preston
Preston's September 2026 forecast shows daily high temperatures ranging from 82° to 91°, with overnight lows between 58° and 70°. The average high for September is 85° with an average low of 63°. 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 Preston. See also: October | November | December.
