September Weather in Itanhem, Brazil

Last updated: August 22, 2025

In September, the average temperature in Itanhem, Brazil is a pleasant 23°C (74°F), making it an ideal time for outdoor activities. However, be prepared for a range, as temperatures can drop to a minimum of 13°C (55°F) and soar to a maximum of 36°C (97°F). Expect a total precipitation of 30 mm (1.2 in) over about 6 days, contributing to an average humidity of 68%. Whether you're exploring or relaxing, it's wise to plan accordingly!

September Temperature in Itanhem

In September in Itanhem, the average temperature is 23°C (74°F). The maximum can reach 36°C (97°F) and the minimum can be as low as 13°C (55°F). This makes it an ideal time for travelers to enjoy outdoor activities while being prepared for varying weather conditions.

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

The chart illustrates September temperature patterns in Itanhem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Itanhem, September typically has an average temperature of 23°C (74°F), with highs reaching up to 36°C (97°F) and lows dropping to around 13°C (55°F).

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

September Precipitation in Itanhem

In Itanhem in September, the total precipitation amount is 30 mm (1.2 in) spread across 6 days.

September Precipitation Trends in Itanhem

The chart displays monthly precipitation patterns in Itanhem, 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 Itanhem, September typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 6 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 Itanhem

In Itanhem in September, humidity is 68%. With an average temperature of 23°C (74°F), this humidity feels like a warm embrace, making traveling quite uncomfortable if you're not prepared. The air is thick and muggy, leaving you yearning for a cool breeze and frequent breaks in the shade.

September Average Humidity in Itanhem

This chart illustrates the average monthly humidity levels in Itanhem, 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 Itanhem is approximately 68%, 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 Itanhem

In Itanhem in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Itanhem.

Maximum UV Index Levels in Itanhem for September

The chart shows the monthly maximum UV Index (UVI) for Itanhem 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 Itanhem typically reaches 12, which falls under the extreme exposure category.

Data source: Itanhem 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 Itanhem Compares to Other Months

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

This table compares monthly weather conditions in Itanhem, 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 (80°F)	40 mm (1.6 inches)	69%	extreme
February Weather	27°C (80°F)	86 mm (3.4 inches)	80%	extreme
March Weather	26°C (80°F)	98 mm (3.9 inches)	86%	extreme
April Weather	25°C (77°F)	81 mm (3.2 inches)	86%	extreme
May Weather	23°C (73°F)	63 mm (2.5 inches)	83%	very high
June Weather	22°C (72°F)	36 mm (1.4 inches)	81%	very high
July Weather	21°C (70°F)	31 mm (1.2 inches)	79%	very high
August Weather	21°C (71°F)	37 mm (1.5 inches)	76%	extreme
September Weather	23°C (74°F)	30 mm (1.2 inches)	68%	extreme
October Weather	25°C (77°F)	75 mm (2.9 inches)	60%	extreme
November Weather	24°C (76°F)	153 mm (6.0 inches)	55%	extreme
December Weather	25°C (78°F)	181 mm (7.1 inches)	59%	extreme