Brownsville weather in September 2025

The weather in Brownsville in September is very hot. The average temperatures are between 26°C and 33°C, drinking water regularly is advisable.

You can expect about 3 to 8 days of rain in Brownsville during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Brownsville in September 2025.

If you’re planning to visit Brownsville in the near future, we highly recommend that you review the 14 day weather forecast for Brownsville before you arrive.

Temperatures

33° / 26°

Rainy Days

Snowy Days

Dry Days

Rainfall

119

Sun Hours

11.3

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
	1 34° /27°	2 34° /27°	3 33° /26°	4 33° /27°	5 32° /27°	6 32° /26°
7 33° /26°	8 32° /26°	9 33° /26°	10 32° /26°	11 33° /26°	12 32° /25°	13 32° /26°
14 33° /26°	15 33° /26°	16 32° /26°	17 32° /26°	18 32° /26°	19 31° /26°	20 32° /25°
21 33° /26°	22 33° /25°	23 33° /26°	24 33° /25°	25 33° /25°	26 31° /25°	27 33° /24°
28 33° /25°	29 32° /24°	30 32° /24°

Explore the weather in Brownsville in other months

Brownsville annual weather

Month	Temperatures	Rainy Days	Dry Days	Rainfall	Weather	More details
January	21° / 14°	4	27	54 mm	Good	Brownsville in January
February	23° / 16°	2	26	31 mm	Perfect	Brownsville in February
March	26° / 19°	2	29	28 mm	Perfect	Brownsville in March
April	29° / 21°	3	28	31 mm	Good	Brownsville in April
May	31° / 24°	3	28	53 mm	Good	Brownsville in May
June	33° / 26°	5	25	96 mm	Good	Brownsville in June
July	34° / 26°	3	28	72 mm	Ok	Brownsville in July
August	35° / 27°	3	28	40 mm	Ok	Brownsville in August
September	33° / 26°	6	24	119 mm	Good	Brownsville in September
October	30° / 23°	3	28	53 mm	Good	Brownsville in October
November	25° / 19°	2	28	40 mm	Perfect	Brownsville in November
December	22° / 16°	3	28	48 mm	Good	Brownsville in December