September Weather in Macau, Brazil

Last updated: August 22, 2025

In Macau, Brazil, the average temperature in September is a warm 27°C (80°F), making it a pleasant time to visit. Expect minimums around 23°C (74°F) and maximums reaching 30°C (87°F). With only 1 mm (0.0 in) of precipitation over 0 days, you can look forward to mostly dry weather. Don’t forget to stay hydrated, as the average humidity hovers at 71%!

September Temperature in Macau

In September in Macau, the average temperature is 27°C (80°F). Maximums can reach 30°C (87°F), and minimums can be as low as 23°C (74°F). This weather makes it an ideal time for travelers seeking warm and enjoyable conditions.

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

The chart illustrates September temperature patterns in Macau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Macau, September typically has an average temperature of 27°C (80°F), with highs reaching up to 30°C (87°F) and lows dropping to around 23°C (74°F).

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

September Precipitation in Macau

In Macau in September, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

September Precipitation Trends in Macau

The chart displays monthly precipitation patterns in Macau, 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 Macau, September typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 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 Macau

In Macau in September, humidity is 71%. With an average temperature of 27°C (80°F), this humidity feels like a warm, thick blanket enveloping you, making outdoor activities more challenging and requiring frequent breaks to stay hydrated.

September Average Humidity in Macau

This chart illustrates the average monthly humidity levels in Macau, 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 Macau is approximately 71%, 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 Macau

In Macau 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 Macau.

Maximum UV Index Levels in Macau for September

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

Data source: Macau 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 Macau Compares to Other Months

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

This table compares monthly weather conditions in Macau, 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 (82°F)	46 mm (1.8 inches)	84%	extreme
February Weather	27°C (82°F)	145 mm (5.7 inches)	85%	extreme
March Weather	27°C (81°F)	169 mm (6.7 inches)	86%	extreme
April Weather	27°C (81°F)	138 mm (5.4 inches)	85%	extreme
May Weather	27°C (81°F)	86 mm (3.4 inches)	86%	extreme
June Weather	27°C (81°F)	49 mm (1.9 inches)	82%	extreme
July Weather	26°C (79°F)	53 mm (2.1 inches)	75%	extreme
August Weather	26°C (80°F)	1 mm (0.1 inches)	73%	extreme
September Weather	27°C (80°F)	1 mm (0.0 inches)	71%	extreme
October Weather	27°C (81°F)	3 mm (0.1 inches)	70%	extreme
November Weather	28°C (82°F)	3 mm (0.1 inches)	71%	extreme
December Weather	28°C (82°F)	17 mm (0.7 inches)	76%	extreme