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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Brownsville, TX
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Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
37°
3
37°
4
37°
5
37°
6
37°
7
37°
8
37°
9
36°
10
36°
11
37°
12
37°
13
36°
14
36°
15
36°
16
36°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Wednesday, September 2, 2026
Day
37°
Feels 41
Wind
30 km/h S
Gust
45 km/h
Humidity
41%
P.O.P
40%
Rain
<1 mm
Night
28°
Feels 32
Wind
29 km/h SE
Gust
44 km/h
Humidity
86%
P.O.P
0%
Historical Averages
Sep 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
September
Average Temperature
High
32°
Feels 37
Low
24°
Feels 26
Average Precipitation
18 Days
Rain amount
142.3mm
Snow amount
0cm