S
M
T
W
T
F
S
30
86°
43°
31
88°
44°
1
75°
53°
2
61°
53°
3
68°
45°
4
68°
46°
5
73°
44°
6
78°
47°
7
78°
49°
8
80°
50°
9
83°
51°
10
85°
52°
11
91°
53°
12
88°
52°
13
87°
50°
14
85°
47°
15
87°
51°
16
79°
44°
17
78°
43°
18
78°
44°
19
79°
44°
20
77°
48°
21
77°
42°
22
78°
44°
23
76°
42°
24
73°
42°
25
71°
41°
26
73°
40°
27
74°
44°
28
71°
39°
29
73°
41°
30
73°
44°
1
70°
42°
2
71°
38°
3
71°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Yreka
Yreka's September 2026 forecast shows daily high temperatures ranging from 61° to 91°, with overnight lows between 38° and 53°. The average high for September is 77° with an average low of 46°. 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 Yreka. See also: October | November | December.
