S
M
T
W
T
F
S
30
69°
51°
31
70°
54°
1
69°
53°
2
71°
54°
3
70°
49°
4
70°
50°
5
69°
55°
6
70°
53°
7
71°
53°
8
68°
45°
9
63°
51°
10
66°
47°
11
69°
46°
12
68°
45°
13
62°
48°
14
63°
45°
15
62°
43°
16
64°
45°
17
63°
49°
18
61°
44°
19
62°
45°
20
62°
50°
21
65°
48°
22
68°
44°
23
67°
46°
24
Hist. Avg.
66°
49°
25
Hist. Avg.
66°
49°
26
Hist. Avg.
66°
49°
27
Hist. Avg.
66°
49°
28
Hist. Avg.
65°
48°
29
Hist. Avg.
65°
48°
30
Hist. Avg.
65°
48°
1
Hist. Avg.
65°
48°
2
Hist. Avg.
64°
48°
3
Hist. Avg.
64°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Loomis
Loomis's September 2026 forecast shows daily high temperatures ranging from 61° to 71°, with overnight lows between 43° and 55°. The average high for September is 66° with an average low of 49°. 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 Loomis. See also: October | November | December.
