September Weather in New Iberia, United States

Last updated: June 24, 2025

In New Iberia, United States, the average temperature in September is a warm 27°C (80°F). Expect minimums around 15°C (59°F) and maximums soaring to 35°C (95°F). Be prepared for some rain, as precipitation averages 134 mm (5.3 in) over about 15 days. With an average humidity of 79%, the climate is sure to feel quite tropical!

September Temperature in New Iberia

In September, in New Iberia, the average temperature is 27°C (80°F). Maximums can reach 35°C (95°F), while minimums can drop as low as 15°C (59°F). This makes New Iberia an ideal destination for travelers seeking warm weather with comfortable evenings.

September Weather in New Iberia: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in New Iberia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Iberia, September typically has an average temperature of 27°C (80°F), with highs reaching up to 35°C (95°F) and lows dropping to around 15°C (59°F).

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

September Precipitation in New Iberia

In New Iberia in September, the total precipitation amount is 134 mm (5.3 in) spread over a period of 15 days.

September Precipitation Trends in New Iberia

The chart displays monthly precipitation patterns in New Iberia, 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 New Iberia, September typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 15 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 New Iberia

In New Iberia 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 New Iberia

This chart illustrates the average monthly humidity levels in New Iberia, 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 New Iberia 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 New Iberia

In New Iberia in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in New Iberia.

Maximum UV Index Levels in New Iberia for September

The chart shows the monthly maximum UV Index (UVI) for New Iberia 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 New Iberia typically reaches 11, which falls under the extreme exposure category.

Data source: New Iberia 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 New Iberia Compares to Other Months

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

This table compares monthly weather conditions in New Iberia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	95 mm (3.7 inches)	81%	moderate
February Weather	15°C (59°F)	100 mm (3.9 inches)	81%	very high
March Weather	18°C (65°F)	66 mm (2.6 inches)	79%	very high
April Weather	21°C (69°F)	124 mm (4.9 inches)	81%	extreme
May Weather	25°C (77°F)	136 mm (5.3 inches)	77%	extreme
June Weather	27°C (82°F)	172 mm (6.8 inches)	74%	extreme
July Weather	28°C (83°F)	197 mm (7.8 inches)	74%	extreme
August Weather	28°C (83°F)	170 mm (6.7 inches)	73%	extreme
September Weather	27°C (80°F)	134 mm (5.3 inches)	79%	extreme
October Weather	23°C (73°F)	99 mm (3.9 inches)	77%	very high
November Weather	16°C (61°F)	78 mm (3.1 inches)	81%	high
December Weather	14°C (58°F)	102 mm (4.0 inches)	84%	moderate