S
M
T
W
T
F
S
30
64°
54°
31
63°
48°
1
59°
48°
2
61°
55°
3
63°
54°
4
59°
52°
5
59°
46°
6
64°
45°
7
61°
52°
8
57°
46°
9
61°
43°
10
57°
45°
11
61°
43°
12
63°
43°
13
63°
48°
14
66°
52°
15
61°
52°
16
57°
46°
17
55°
48°
18
59°
48°
19
59°
50°
20
59°
48°
21
59°
46°
22
69°
53°
23
60°
43°
24
61°
54°
25
58°
45°
26
61°
51°
27
60°
47°
28
57°
49°
29
61°
51°
30
59°
47°
1
55°
44°
2
58°
41°
3
53°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Penrith
Penrith's September 2026 forecast shows daily high temperatures ranging from 53° to 69°, with overnight lows between 41° and 54°. The average high for September is 59° with an average low of 47°. 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 Penrith. See also: October | November | December.
