S
M
T
W
T
F
S
30
87°
62°
31
84°
62°
1
84°
65°
2
87°
65°
3
89°
63°
4
88°
58°
5
82°
57°
6
80°
58°
7
82°
62°
8
85°
60°
9
85°
56°
10
83°
57°
11
87°
56°
12
81°
54°
13
79°
55°
14
80°
54°
15
81°
55°
16
83°
57°
17
84°
56°
18
84°
59°
19
85°
61°
20
Hist. Avg.
81°
54°
21
Hist. Avg.
80°
53°
22
Hist. Avg.
80°
53°
23
Hist. Avg.
79°
52°
24
Hist. Avg.
79°
52°
25
Hist. Avg.
79°
51°
26
Hist. Avg.
78°
51°
27
Hist. Avg.
78°
50°
28
Hist. Avg.
77°
50°
29
Hist. Avg.
77°
50°
30
Hist. Avg.
76°
49°
1
Hist. Avg.
76°
49°
2
Hist. Avg.
76°
48°
3
Hist. Avg.
75°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Preston
Preston's September 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 54° and 65°. The average high for September is 84° 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 Preston. See also: October | November | December.
