September Weather in Broussard, United States

Last updated: June 24, 2025

In Broussard, United States, the average temperature in September hovers around 26°C (80°F), with a comfortable range that can dip as low as 13°C (56°F) and soar up to 36°C (96°F). Expect 117 mm (4.6 in) of precipitation spread over 14 days, contributing to a fairly humid atmosphere with an average humidity of 79%.

September Temperature in Broussard

In September in Broussard, the average temperature is 26°C (80°F), with maximums reaching 36°C (96°F) and minimums dropping to 13°C (56°F). This makes it an ideal time for travelers seeking warm weather and a variety of outdoor activities.

September Weather in Broussard: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Broussard, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Broussard, September typically has an average temperature of 26°C (80°F), with highs reaching up to 36°C (96°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec535865687781828279736057
Data source: Temperature data for Broussard generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Broussard

In Broussard in September, the precipitation amount is 117 mm (4.6 in) spread over 14 days.

September Precipitation Trends in Broussard

The chart displays monthly precipitation patterns in Broussard, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Broussard, September typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec1001047313714715617716311710382109
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Broussard

In Broussard in September, humidity is 79%. With an average temperature of 26°C (80°F), this humidity feels like an enveloping warm blanket, making travel feel slightly sluggish and prompting frequent hydration breaks to stay comfortable while exploring the sights.

September Average Humidity in Broussard

This chart illustrates the average monthly humidity levels in Broussard, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Broussard is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%83%80%81%81%78%79%79%79%77%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Broussard

In Broussard in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Broussard.

Maximum UV Index Levels in Broussard for September

The chart shows the monthly maximum UV Index (UVI) for Broussard in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Broussard typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121210965
Data source: Broussard September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Broussard Compares to Other Months

Weather in Broussard varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Broussard, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Broussard, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (53°F)100 mm (3.9 inches)83%moderate
February Weather15°C (59°F)104 mm (4.1 inches)83%very high
March Weather18°C (65°F)73 mm (2.9 inches)80%very high
April Weather20°C (69°F)137 mm (5.4 inches)81%extreme
May Weather25°C (77°F)147 mm (5.8 inches)81%extreme
June Weather27°C (81°F)156 mm (6.1 inches)78%extreme
July Weather28°C (83°F)177 mm (7.0 inches)79%extreme
August Weather28°C (82°F)163 mm (6.4 inches)79%extreme
September Weather26°C (80°F)117 mm (4.6 inches)79%very high
October Weather23°C (73°F)103 mm (4.1 inches)77%very high
November Weather16°C (60°F)81 mm (3.2 inches)85%high
December Weather14°C (57°F)109 mm (4.3 inches)88%moderate

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