S
M
T
W
T
F
S
31
97°
63°
1
100°
63°
2
102°
63°
3
102°
63°
4
100°
63°
5
90°
63°
6
86°
57°
7
77°
64°
8
79°
63°
9
84°
59°
10
88°
59°
11
84°
59°
12
81°
63°
13
88°
64°
14
72°
63°
15
79°
61°
16
90°
54°
17
90°
59°
18
82°
57°
19
82°
50°
20
82°
63°
21
73°
61°
22
73°
57°
23
86°
54°
24
81°
57°
25
70°
57°
26
66°
57°
27
68°
50°
28
66°
50°
29
68°
55°
30
68°
52°
1
68°
54°
2
68°
54°
3
64°
45°
4
64°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lillooet
Lillooet's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Lillooet. See also: October | November | December.
