Weather in Brownsville, Texas, United States in September
In an average September, Brownsville sees a daily high around 91°F and a low around 77°F, based on 1981–2026 of local climate records.
| Average high | 91°F |
|---|---|
| Typical high range | 85°F to 96°F |
| Average low | 77°F |
| Typical low range | 74°F to 80°F |
| Average daily precipitation | 0.20 in |
September records
The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
104°F
2005-09-24
Lowest
73°F
1984-09-30
Low
Highest
85°F
2023-09-05
Lowest
60°F
2020-09-30
Feels-like
Highest
144°F
2023-09-08
Lowest
73°F
1984-09-30
Humidity
Highest
25.1 g/m³
2020-09-01
Lowest
9.4 g/m³
2020-09-29
Wind
Highest
40 mph
1988-09-16
Lowest
4 mph
2024-09-04
Precip
Wettest
12.34 in
1984
Driest
0.53 in
2011
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