September Weather in Sao Cristovao, Brazil

Last updated: August 22, 2025

In September, the average temperature in Sao Cristovao, Brazil hovers around 24°C (76°F). Visitors can expect temperatures to range from a comfortable 21°C (70°F) at the minimum to a warm 29°C (85°F) at the maximum. However, be prepared for some rain, as the area sees an average precipitation amount of 77 mm (3.0 in) spread over 22 days. With an average humidity level of 79%, it's a great time to enjoy the climate—but don’t forget your umbrella!

September Temperature in Sao Cristovao

In September in Sao Cristovao, the average temperature is 24°C (76°F). Maximum can reach 29°C (85°F), and the minimum can be as low as 21°C (70°F). This pleasant weather makes it an ideal time for travelers to explore and enjoy the outdoor attractions in Sao Cristovao.

September Weather in Sao Cristovao: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sao Cristovao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Cristovao, September typically has an average temperature of 24°C (76°F), with highs reaching up to 29°C (85°F) and lows dropping to around 21°C (70°F).

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

September Precipitation in Sao Cristovao

In Sao Cristovao in September, the total precipitation amount is 77 mm (3.0 in), spread over 22 days.

September Precipitation Trends in Sao Cristovao

The chart displays monthly precipitation patterns in Sao Cristovao, 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 Sao Cristovao, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 22 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 Sao Cristovao

In Sao Cristovao in September, humidity is 79%. With an average temperature of 24°C (76°F), this humidity feels like a thick blanket wrapped around you, making traveling somewhat uncomfortable and sticky, as you navigate through the warmth while constantly seeking shade and hydration.

September Average Humidity in Sao Cristovao

This chart illustrates the average monthly humidity levels in Sao Cristovao, 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 Sao Cristovao 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 Sao Cristovao

In Sao Cristovao 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 Sao Cristovao.

Maximum UV Index Levels in Sao Cristovao for September

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

Data source: Sao Cristovao 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 Sao Cristovao Compares to Other Months

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

This table compares monthly weather conditions in Sao Cristovao, 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)	42 mm (1.7 inches)	81%	extreme
February Weather	27°C (81°F)	53 mm (2.1 inches)	82%	extreme
March Weather	27°C (81°F)	107 mm (4.2 inches)	84%	extreme
April Weather	27°C (80°F)	125 mm (4.9 inches)	86%	extreme
May Weather	26°C (79°F)	152 mm (6.0 inches)	86%	extreme
June Weather	25°C (77°F)	137 mm (5.4 inches)	83%	very high
July Weather	24°C (75°F)	150 mm (5.9 inches)	81%	very high
August Weather	24°C (75°F)	87 mm (3.4 inches)	80%	extreme
September Weather	24°C (76°F)	77 mm (3.0 inches)	79%	extreme
October Weather	25°C (78°F)	45 mm (1.8 inches)	77%	extreme
November Weather	26°C (79°F)	51 mm (2.0 inches)	76%	extreme
December Weather	26°C (80°F)	48 mm (1.9 inches)	76%	extreme