September Weather in Monte Alegre, Brazil

Last updated: August 22, 2025

In Monte Alegre, Brazil during the month of September, the average temperature reaches a warm 29°C (85°F), with minimums dipping to 23°C (74°F) and highs soaring to 35°C (95°F). Expect 34 mm (1.4 in) of precipitation over the course of about 6 days, accompanied by an average humidity level of 40%. Enjoy the vibrant climate while making the most of your time outdoors!

September Temperature in Monte Alegre

In September in Monte Alegre, the average temperature is 29°C (85°F). Maximums can reach 35°C (95°F), while minimums can drop to as low as 23°C (74°F). This makes Monte Alegre an ideal destination for travelers seeking warm weather and comfortable conditions during this time of year.

September Weather in Monte Alegre: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Monte Alegre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monte Alegre, September typically has an average temperature of 29°C (85°F), with highs reaching up to 35°C (95°F) and lows dropping to around 23°C (74°F).

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

September Precipitation in Monte Alegre

In Monte Alegre in September, the total precipitation amount is 34 mm (1.4 in) spread over a period of 6 days.

September Precipitation Trends in Monte Alegre

The chart displays monthly precipitation patterns in Monte Alegre, 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 Monte Alegre, September typically receives around 34 mm (1.4 inches) of precipitation spread over approximately 6 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 Monte Alegre

In Monte Alegre in September humidity is 40%. With an average temperature of 29°C (85°F), this humidity feels like a warm embrace, making travel enjoyable as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Monte Alegre

This chart illustrates the average monthly humidity levels in Monte Alegre, 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 Monte Alegre is approximately 40%, 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 Monte Alegre

In Monte Alegre 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 Monte Alegre.

Maximum UV Index Levels in Monte Alegre for September

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

Data source: Monte Alegre 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 Monte Alegre Compares to Other Months

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

This table compares monthly weather conditions in Monte Alegre, 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)	237 mm (9.3 inches)	79%	extreme
February Weather	27°C (80°F)	244 mm (9.6 inches)	65%	extreme
March Weather	27°C (81°F)	257 mm (10.1 inches)	68%	extreme
April Weather	27°C (81°F)	261 mm (10.3 inches)	86%	extreme
May Weather	27°C (81°F)	222 mm (8.7 inches)	90%	extreme
June Weather	27°C (81°F)	138 mm (5.4 inches)	82%	extreme
July Weather	27°C (81°F)	64 mm (2.5 inches)	61%	extreme
August Weather	28°C (83°F)	46 mm (1.8 inches)	46%	extreme
September Weather	29°C (85°F)	34 mm (1.4 inches)	40%	extreme
October Weather	29°C (85°F)	46 mm (1.8 inches)	38%	extreme
November Weather	29°C (84°F)	120 mm (4.7 inches)	39%	extreme
December Weather	28°C (82°F)	185 mm (7.3 inches)	69%	extreme