S
M
T
W
T
F
S
30
99°
64°
31
99°
65°
1
98°
64°
2
98°
64°
3
97°
63°
4
97°
63°
5
96°
58°
6
96°
54°
7
89°
54°
8
89°
55°
9
92°
58°
10
94°
61°
11
95°
57°
12
95°
58°
13
94°
60°
14
94°
58°
15
93°
57°
16
91°
55°
17
90°
58°
18
92°
57°
19
93°
56°
20
91°
53°
21
89°
57°
22
85°
59°
23
83°
53°
24
85°
57°
25
85°
54°
26
87°
50°
27
84°
51°
28
83°
50°
29
83°
49°
30
82°
51°
1
81°
58°
2
89°
57°
3
87°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in McKittrick
McKittrick's September 2026 forecast shows daily high temperatures ranging from 81° to 99°, with overnight lows between 49° and 65°. The average high for September is 91° with an average low of 57°. 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 McKittrick. See also: October | November | December.
