S
M
T
W
T
F
S
30
97°
69°
31
94°
70°
1
94°
72°
2
97°
73°
3
100°
71°
4
100°
71°
5
96°
72°
6
94°
71°
7
94°
71°
8
93°
72°
9
95°
71°
10
93°
70°
11
99°
68°
12
101°
71°
13
97°
77°
14
95°
73°
15
95°
67°
16
90°
63°
17
90°
66°
18
93°
65°
19
90°
63°
20
91°
61°
21
87°
61°
22
81°
60°
23
78°
58°
24
79°
59°
25
80°
57°
26
86°
57°
27
86°
58°
28
85°
58°
29
80°
51°
30
74°
57°
1
76°
56°
2
78°
55°
3
83°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Littlefield
Littlefield's September 2026 forecast shows daily high temperatures ranging from 74° to 93°, with overnight lows between 51° and 66°. The average high for September is 84° with an average low of 59°. 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 Littlefield. See also: October | November | December.