September Weather in Irara, Brazil

Last updated: August 22, 2025

In September, the average temperature in Irara, Brazil hovers around 24°C (75°F). Expect a comfortable low of 16°C (61°F) and a warm high of 35°C (96°F). With an average humidity of 75%, the climate can feel quite humid. Additionally, prepare for 39 mm (1.5 in) of precipitation spread over 14 days, making for a refreshing but slightly wet experience.

September Temperature in Irara

In September in Irara, the average temperature is 24°C (75°F). Maximums can reach 35°C (96°F) and minimums can be as low as 16°C (61°F). This makes Irara an ideal destination for travelers seeking warm weather and comfortable outdoor activities.

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

The chart illustrates September temperature patterns in Irara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Irara, September typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 16°C (61°F).

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

September Precipitation in Irara

In Irara in September, the precipitation amount is 39 mm (1.5 in) during 14 days, indicating a relatively wet period for this time of year.

September Precipitation Trends in Irara

The chart displays monthly precipitation patterns in Irara, 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 Irara, September typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Irara

In Irara in September humidity is 75%. With average temperature 24°C (75°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel especially stifling and leaving you yearning for cool breezes and refreshingly cold drinks.

September Average Humidity in Irara

This chart illustrates the average monthly humidity levels in Irara, 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 Irara is approximately 75%, 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 Irara

In Irara in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Irara.

Maximum UV Index Levels in Irara for September

The chart shows the monthly maximum UV Index (UVI) for Irara 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 Irara typically reaches 13, which falls under the extreme exposure category.

Data source: Irara 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 Irara Compares to Other Months

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

This table compares monthly weather conditions in Irara, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	25 mm (1.0 inches)	76%	extreme
February Weather	27°C (82°F)	34 mm (1.3 inches)	81%	extreme
March Weather	27°C (81°F)	65 mm (2.6 inches)	86%	extreme
April Weather	26°C (79°F)	92 mm (3.6 inches)	87%	extreme
May Weather	24°C (76°F)	77 mm (3.0 inches)	86%	extreme
June Weather	23°C (74°F)	76 mm (3.0 inches)	84%	very high
July Weather	22°C (72°F)	60 mm (2.4 inches)	80%	very high
August Weather	22°C (73°F)	50 mm (2.0 inches)	77%	extreme
September Weather	24°C (75°F)	39 mm (1.5 inches)	75%	extreme
October Weather	26°C (79°F)	29 mm (1.1 inches)	72%	extreme
November Weather	26°C (79°F)	63 mm (2.5 inches)	71%	extreme
December Weather	26°C (80°F)	52 mm (2.0 inches)	70%	extreme