Brownsville Weather in September

September in Brownsville brings high temperatures, with highs of 29°C (84°F) and nights dropping to 17°C (63°F). Rainfall is on the higher side this month, averaging around 92 mm (3.6 in), so keep a rain jacket handy.

Rainfall in Brownsville in September

You can expect rain on around 8 days based on historical patterns, with 92 mm (3.6 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Brownsville in September

September in Brownsville is generally excellent, with days reaching 29°C (84°F) and nights settling around 17°C (63°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 17°C (63°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Brownsville.