September Weather in Olla, United States

Last updated: June 24, 2025

In September, the average temperature in Olla, United States hovers around 26°C (79°F). However, be prepared for a range, as temperatures can drop as low as 12°C (54°F) and soar to a sweltering 40°C (104°F). During this time, precipitation averages 101 mm (4.0 in) over 9 days, contributing to an average humidity of 79%.

September Temperature in Olla

In September in Olla, the average temperature is 26°C (79°F). Maximums can reach 40°C (104°F), and minimums can be as low as 12°C (54°F). Be sure to pack appropriately for varying temperatures during your travels.

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

The chart illustrates September temperature patterns in Olla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olla, September typically has an average temperature of 26°C (79°F), with highs reaching up to 40°C (104°F) and lows dropping to around 12°C (54°F).

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

September Precipitation in Olla

In Olla in September, the total precipitation amount is 101 mm (4.0 in), occurring over a span of 9 days.

September Precipitation Trends in Olla

The chart displays monthly precipitation patterns in Olla, 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 Olla, September typically receives around 101 mm (4.0 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 Olla

In Olla in September humidity is 79%. With an average temperature of 26°C (79°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel exhausting. Travelers should be prepared for a heavy air that clings to the skin, making hydration essential while navigating the sights and sounds of the city.

September Average Humidity in Olla

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

In Olla 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 Olla.

Maximum UV Index Levels in Olla for September

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

Data source: Olla 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 Olla Compares to Other Months

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

This table compares monthly weather conditions in Olla, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (49°F)	110 mm (4.3 inches)	83%	moderate
February Weather	12°C (54°F)	170 mm (6.7 inches)	83%	high
March Weather	17°C (62°F)	115 mm (4.5 inches)	80%	very high
April Weather	19°C (66°F)	145 mm (5.7 inches)	81%	extreme
May Weather	24°C (75°F)	150 mm (5.9 inches)	81%	extreme
June Weather	27°C (80°F)	131 mm (5.2 inches)	78%	extreme
July Weather	28°C (83°F)	112 mm (4.4 inches)	79%	extreme
August Weather	28°C (83°F)	129 mm (5.1 inches)	79%	extreme
September Weather	26°C (79°F)	101 mm (4.0 inches)	79%	very high
October Weather	21°C (69°F)	118 mm (4.7 inches)	77%	very high
November Weather	13°C (57°F)	79 mm (3.1 inches)	85%	high
December Weather	12°C (53°F)	124 mm (4.9 inches)	88%	moderate