S
M
T
W
T
F
S
30
61°
50°
31
60°
46°
1
59°
46°
2
60°
47°
3
59°
46°
4
59°
45°
5
58°
45°
6
58°
46°
7
59°
48°
8
59°
45°
9
58°
44°
10
57°
45°
11
63°
45°
12
60°
44°
13
59°
48°
14
59°
47°
15
58°
44°
16
58°
43°
17
59°
42°
18
58°
42°
19
57°
46°
20
59°
43°
21
57°
44°
22
57°
43°
23
59°
44°
24
57°
47°
25
56°
42°
26
57°
47°
27
59°
47°
28
60°
46°
29
60°
41°
30
59°
46°
1
59°
47°
2
58°
46°
3
59°
46°
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 56° to 63°, with overnight lows between 41° and 50°. The average high for September is 59° with an average low of 45°. 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.
