September Weather in Olanta, United States

Last updated: June 24, 2025

In September, the average temperature in Olanta, United States is a pleasant 25°C (77°F). Temperatures can vary, with a minimum of 10°C (51°F) and a maximum reaching up to 37°C (99°F). Expect about 146 mm (5.7 in) of precipitation spread over 9 days, contributing to an average humidity of 83%.

September Temperature in Olanta

In September in Olanta, the average temperature is 25°C (77°F). Maximum temperatures can reach up to 37°C (99°F), while the minimum can drop as low as 10°C (51°F). Overall, it's a great time to visit Olanta if you enjoy warm weather with a refreshing cooler breeze in the evenings.

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

The chart illustrates September temperature patterns in Olanta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olanta, September typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (99°F) and lows dropping to around 10°C (51°F).

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

September Precipitation in Olanta

In Olanta in September, the precipitation amount is 146 mm (5.7 in) spread over 9 days.

September Precipitation Trends in Olanta

The chart displays monthly precipitation patterns in Olanta, 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 Olanta, September typically receives around 146 mm (5.7 inches) of precipitation spread over approximately 9 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 Olanta

In Olanta in September humidity is 83%. With an average temperature of 25°C (77°F), this humidity feels like a warm, enveloping blanket, making it essential for travelers to stay hydrated and seek shade to enjoy their adventures comfortably.

September Average Humidity in Olanta

This chart illustrates the average monthly humidity levels in Olanta, 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 Olanta is approximately 83%, 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 Olanta

In Olanta in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Olanta.

Maximum UV Index Levels in Olanta for September

The chart shows the monthly maximum UV Index (UVI) for Olanta 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 Olanta typically reaches 9, which falls under the very high exposure category.

Data source: Olanta 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 Olanta Compares to Other Months

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

This table compares monthly weather conditions in Olanta, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	76 mm (3.0 inches)	86%	moderate
February Weather	12°C (54°F)	95 mm (3.7 inches)	81%	high
March Weather	14°C (58°F)	73 mm (2.9 inches)	81%	very high
April Weather	18°C (65°F)	94 mm (3.7 inches)	79%	very high
May Weather	23°C (74°F)	104 mm (4.1 inches)	75%	extreme
June Weather	26°C (79°F)	131 mm (5.2 inches)	75%	extreme
July Weather	27°C (82°F)	154 mm (6.1 inches)	80%	extreme
August Weather	27°C (81°F)	139 mm (5.5 inches)	81%	very high
September Weather	25°C (77°F)	146 mm (5.7 inches)	83%	very high
October Weather	21°C (69°F)	57 mm (2.2 inches)	78%	very high
November Weather	13°C (55°F)	67 mm (2.6 inches)	85%	high
December Weather	10°C (51°F)	139 mm (5.5 inches)	87%	moderate