September Weather in Jean Lafitte, United States

Last updated: June 24, 2025

In September, the average temperature in Jean Lafitte, United States is a warm 27°C (80°F), with minimums dipping to 15°C (60°F) and highs soaring to 35°C (96°F). Expect a touch of rain, with 167 mm (6.6 in) of precipitation spread over 17 days. The air carries a rich 79% humidity, creating a tropical ambiance that defines this lively month.

September Temperature in Jean Lafitte

In September in Jean Lafitte, the average temperature is 27°C (80°F). Maximum temperatures can reach 35°C (96°F), while the minimum can dip as low as 15°C (60°F). This pleasant climate makes Jean Lafitte an ideal destination for travelers seeking both warmth and comfort.

September Weather in Jean Lafitte: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Jean Lafitte, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jean Lafitte, September typically has an average temperature of 27°C (80°F), with highs reaching up to 35°C (96°F) and lows dropping to around 15°C (60°F).

Data source: Temperature data for Jean Lafitte generated using information from the Copernicus Climate Change Service.

September Precipitation in Jean Lafitte

In Jean Lafitte in September, the precipitation amount is 167 mm (6.6 in) over the course of 17 days.

September Precipitation Trends in Jean Lafitte

The chart displays monthly precipitation patterns in Jean Lafitte, 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 Jean Lafitte, September typically receives around 167 mm (6.6 inches) of precipitation spread over approximately 17 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Jean Lafitte

In Jean Lafitte in September humidity is 79%. With an average temperature of 27°C (80°F), this humidity feels like walking through a warm, dense blanket, making travel feel sluggish and allowing every step to become noticeably heavier.

September Average Humidity in Jean Lafitte

This chart illustrates the average monthly humidity levels in Jean Lafitte, 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 Jean Lafitte is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jean Lafitte

In Jean Lafitte 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 Jean Lafitte.

Maximum UV Index Levels in Jean Lafitte for September

The chart shows the monthly maximum UV Index (UVI) for Jean Lafitte 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 Jean Lafitte typically reaches 10, which falls under the very high exposure category.

Data source: Jean Lafitte 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 Jean Lafitte Compares to Other Months

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

This table compares monthly weather conditions in Jean Lafitte, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	83 mm (3.3 inches)	81%	moderate
February Weather	16°C (61°F)	87 mm (3.4 inches)	81%	very high
March Weather	19°C (66°F)	87 mm (3.4 inches)	79%	very high
April Weather	21°C (70°F)	105 mm (4.1 inches)	81%	extreme
May Weather	25°C (77°F)	147 mm (5.8 inches)	77%	extreme
June Weather	27°C (81°F)	222 mm (8.7 inches)	74%	extreme
July Weather	28°C (83°F)	245 mm (9.7 inches)	74%	extreme
August Weather	28°C (83°F)	276 mm (10.9 inches)	73%	extreme
September Weather	27°C (80°F)	167 mm (6.6 inches)	79%	very high
October Weather	23°C (74°F)	136 mm (5.4 inches)	77%	very high
November Weather	17°C (62°F)	58 mm (2.3 inches)	81%	high
December Weather	15°C (58°F)	94 mm (3.7 inches)	84%	moderate