S
M
T
W
T
F
S
30
96°
80°
31
96°
79°
1
97°
79°
2
98°
78°
3
98°
79°
4
97°
79°
5
97°
78°
6
96°
78°
7
96°
77°
8
97°
78°
9
97°
78°
10
96°
75°
11
97°
77°
12
96°
76°
13
96°
77°
14
95°
77°
15
96°
76°
16
95°
74°
17
91°
75°
18
92°
76°
19
95°
77°
20
95°
76°
21
94°
76°
22
96°
74°
23
94°
74°
24
95°
76°
25
95°
76°
26
94°
75°
27
95°
75°
28
95°
71°
29
91°
72°
30
90°
71°
1
89°
70°
2
88°
71°
3
90°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pharr
Pharr's September 2026 forecast shows daily high temperatures ranging from 88° to 98°, with overnight lows between 69° and 80°. The average high for September is 95° with an average low of 76°. 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 Pharr. See also: October | November | December.