September Weather in Simmesport, United States

Last updated: June 24, 2025

In Simmesport, United States, the average temperature in September is a warm 26°C (80°F). While you can expect the minimum to drop to 12°C (54°F), the maximum can soar up to a scorching 38°C (100°F). During this month, anticipate 125 mm (4.9 in) of precipitation over 12 days, contributing to an average humidity of 79%. Stay prepared for a mix of warmth and moisture!

September Temperature in Simmesport

In September in Simmesport, the average temperature is 26°C (80°F). Maximums can reach 38°C (100°F), while minimums can drop as low as 12°C (54°F). This makes it an ideal time to enjoy a variety of outdoor activities while ensuring you're prepared for both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Simmesport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Simmesport, September typically has an average temperature of 26°C (80°F), with highs reaching up to 38°C (100°F) and lows dropping to around 12°C (54°F).

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

September Precipitation in Simmesport

In Simmesport in September, the total precipitation amount is 125 mm (4.9 in) spread over 12 days.

September Precipitation Trends in Simmesport

The chart displays monthly precipitation patterns in Simmesport, 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 Simmesport, September typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 12 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 Simmesport

In Simmesport 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 Simmesport

This chart illustrates the average monthly humidity levels in Simmesport, 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 Simmesport 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 Simmesport

In Simmesport 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 Simmesport.

Maximum UV Index Levels in Simmesport for September

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

Data source: Simmesport 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 Simmesport Compares to Other Months

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

This table compares monthly weather conditions in Simmesport, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	115 mm (4.5 inches)	83%	moderate
February Weather	14°C (57°F)	122 mm (4.8 inches)	83%	very high
March Weather	18°C (64°F)	99 mm (3.9 inches)	80%	very high
April Weather	20°C (67°F)	165 mm (6.5 inches)	81%	extreme
May Weather	24°C (76°F)	175 mm (6.9 inches)	81%	extreme
June Weather	27°C (81°F)	160 mm (6.3 inches)	78%	extreme
July Weather	28°C (82°F)	159 mm (6.2 inches)	79%	extreme
August Weather	28°C (82°F)	133 mm (5.2 inches)	79%	extreme
September Weather	26°C (80°F)	125 mm (4.9 inches)	79%	very high
October Weather	22°C (72°F)	119 mm (4.7 inches)	77%	very high
November Weather	15°C (59°F)	82 mm (3.2 inches)	85%	high
December Weather	13°C (55°F)	121 mm (4.8 inches)	88%	moderate