September Weather in Alfenas, Brazil

Last updated: August 22, 2025

In Alfenas, Brazil, the average temperature in September hovers around 23°C (73°F). Expect a minimum of 10°C (50°F) and a maximum of 35°C (96°F), offering a pleasant range for outdoor activities. With an average precipitation of 29 mm (1.1 in) over just 3 days, and a comfortable humidity level of 49%, it's a great time to enjoy the beautiful surroundings!

September Temperature in Alfenas

In September in Alfenas, the average temperature is 23°C (73°F), with maximums reaching up to 35°C (96°F) and minimums dipping as low as 10°C (50°F). It's a great time to travel here, offering warm days and cool nights that make for perfect exploration and relaxation.

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

The chart illustrates September temperature patterns in Alfenas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alfenas, September typically has an average temperature of 23°C (73°F), with highs reaching up to 35°C (96°F) and lows dropping to around 10°C (50°F).

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

September Precipitation in Alfenas

In Alfenas in September, the precipitation amount is 29 mm (1.1 in) over the course of 3 days.

September Precipitation Trends in Alfenas

The chart displays monthly precipitation patterns in Alfenas, 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 Alfenas, September typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 3 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 Alfenas

In Alfenas in September, humidity is 49%. With an average temperature of 23°C (73°F), this humidity feels like a pleasant, slightly refreshing embrace that makes outdoor activities enjoyable without being overwhelming, perfect for exploring local attractions and indulging in leisurely strolls.

September Average Humidity in Alfenas

This chart illustrates the average monthly humidity levels in Alfenas, 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 Alfenas is approximately 49%, 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 Alfenas

In Alfenas 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 Alfenas.

Maximum UV Index Levels in Alfenas for September

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

Data source: Alfenas 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 Alfenas Compares to Other Months

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

This table compares monthly weather conditions in Alfenas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	151 mm (5.9 inches)	85%	extreme
February Weather	23°C (74°F)	173 mm (6.8 inches)	87%	extreme
March Weather	23°C (74°F)	112 mm (4.4 inches)	87%	extreme
April Weather	22°C (71°F)	43 mm (1.7 inches)	80%	extreme
May Weather	19°C (67°F)	35 mm (1.4 inches)	74%	very high
June Weather	18°C (66°F)	12 mm (0.5 inches)	72%	high
July Weather	17°C (63°F)	6 mm (0.2 inches)	67%	very high
August Weather	19°C (66°F)	22 mm (0.9 inches)	58%	very high
September Weather	23°C (73°F)	29 mm (1.1 inches)	49%	extreme
October Weather	23°C (74°F)	98 mm (3.9 inches)	36%	extreme
November Weather	23°C (73°F)	167 mm (6.6 inches)	65%	extreme
December Weather	23°C (74°F)	176 mm (6.9 inches)	72%	extreme