Laredo
Texas, USA
Long-term weather forecast
Long-term weather forecast
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September weather forecast and Climate
Laredo, TX

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September is hot in Laredo with the daily high temperatures mostly above 95°F (35°C). The average temperatures are in the range of 73°F (22.8°C) to 93°F (33.9°C) with a gradual decrease by the third week of September.
The days alternate between sunny and partly cloudy as the daylight lasts for more than 12 hours. September is the wettest month of the year in Laredo with 2.9" (73.7mm) of rainfall. Wind speeds are usually between 10 to 20 miles per hour. Follow the weather forecast to avoid sudden bouts of rain. Expect a few scattered thunderstorms in September.
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  • The average high temperature in September: 93.4°F

The warmest month (with the highest average high temperature) is August (99.9°F).
The month with the lowest average high temperature is January (67°F).

  • The average low temperature in September: 72.7°F

The month with the highest average low temperature is August (77°F).
The coldest month (with the lowest average low temperature) is January (46.1°F).

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  • The average rainfall in September: 2.9"

The wettest month (with the highest rainfall) is September (2.9").
Driest months (with the lowest rainfall) are January, February and December (0.9").

  • The average rainfall days in September: 6.7 days

The month with the highest number of rainy days is September (6.7 days).
The month with the lowest number of rainy days is April (4.2 days).

  • The average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 14h).
Months with shortest days are January and December (Average daylight: 10.5h).

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