S
M
T
W
T
F
S
30
64°
58°
31
67°
59°
1
67°
60°
2
68°
59°
3
68°
59°
4
67°
58°
5
68°
58°
6
66°
56°
7
67°
57°
8
65°
56°
9
64°
53°
10
63°
54°
11
63°
56°
12
66°
58°
13
64°
59°
14
Hist. Avg.
62°
52°
15
Hist. Avg.
62°
52°
16
Hist. Avg.
62°
52°
17
Hist. Avg.
62°
52°
18
Hist. Avg.
61°
51°
19
Hist. Avg.
61°
51°
20
Hist. Avg.
61°
51°
21
Hist. Avg.
61°
51°
22
Hist. Avg.
61°
51°
23
Hist. Avg.
61°
51°
24
Hist. Avg.
61°
51°
25
Hist. Avg.
60°
51°
26
Hist. Avg.
60°
50°
27
Hist. Avg.
60°
50°
28
Hist. Avg.
60°
50°
29
Hist. Avg.
60°
50°
30
Hist. Avg.
60°
50°
1
Hist. Avg.
59°
50°
2
Hist. Avg.
59°
50°
3
Hist. Avg.
59°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Newquay
Newquay's September 2026 forecast shows daily high temperatures ranging from 63° to 68°, with overnight lows between 53° and 60°. The average high for September is 66° with an average low of 57°. 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 Newquay. See also: October | November | December.
