September weather forecastVertentes, Brazil

September

Weather in September

September, the first month of the spring in Vertentes, is also a moderately hot month, with temperature in the range of an average low of 18.2°C (64.8°F) and an average high of 27.9°C (82.2°F).

Temperature

Vertentes notes an average high-temperature of a still moderately hot 27.9°C (82.2°F) in September, hardly diverging from August. In September, Vertentes records an average nighttime temperature of 18.2°C (64.8°F).

Heat index

For September, the heat index is calculated to be a tropical 31°C (87.8°F). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

In Vertentes, the average relative humidity in September is 76%.

Rainfall

The month with the least rainfall in Vertentes is September, when the rain falls for 9.5 days and typically collects 6mm (0.24") of precipitation.

Daylight

In Vertentes, Brazil, the average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:24 and sunset at 17:22. On the last day of September, in Vertentes, sunrise is at 05:08 and sunset at 17:18 -03.

Sunshine

In Vertentes, the average sunshine in September is 7h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 6. The months with the lowest UV index in Vertentes are January through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum daily UV index of 6 during September morphs into the following directions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in September, in Vertentes, is 27.9°C (82.2°F), while the average low-temperature is 18.2°C (64.8°F). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 31°C (87.8°F).

The average relative humidity in September in Vertentes, Brazil, is 76%.

September is the month with the least rainfall in Vertentes, Brazil. Rain falls for 9.5 days and accumulates 6mm (0.24") of precipitation.

In Vertentes, in September, it is raining for 9.5 days, with typically 6mm (0.24") of accumulated precipitation.

The average day length in September is 12h and 4min.

In September, on the first day of the month, sunrise is at 05:24 and sunset at 17:22. On the last day of the month, in Vertentes, sunrise is at 05:08 and sunset at 17:18 -03.

The average sunshine duration in September in Vertentes is 7h.

January through December, with an average maximum UV index of 6, are months with the highest UV index in Vertentes.

The months with the lowest UV index in Vertentes are January through December, with an average maximum UV index of 6.

The average daily maximum UV index in September in Vertentes is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

27.1°C

27.9°C

29.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

16.5km/h

16.9km/h

17.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

13.3

11.2

10.4

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Vertentes, Brazil

Average high temperature in September: 27.9°C

The warmest month (with the highest average high temperature) is March (30.8°C).
The month with the lowest average high temperature is July (26.2°C).

Average low temperature in September: 18.2°C

The months with the highest average low temperature are February and December (20.9°C).
The coldest month (with the lowest average low temperature) is August (17.5°C).

Average pressure in September
Vertentes, Brazil

Average pressure in September: 1015.8mbar

The months with the highest atmospheric pressure are July and August (1016.6mbar).
The months with the lowest atmospheric pressure are February, March and November (1012.1mbar).

Average wind speed in September
Vertentes, Brazil

Average wind speed in September: 16.3km/h

The windiest month (with the highest average wind speed) is October (16.6km/h).
The calmest month (with the lowest average wind speed) is April (10.8km/h).

Average humidity in September
Vertentes, Brazil

Average humidity in September: 76%

The month with the highest relative humidity is May (84%).
The months with the lowest relative humidity are November and December (69%).

Average rainfall in September
Vertentes, Brazil

Average rainfall in September: 6mm

The wettest month (with the highest rainfall) is March (86mm).
The driest month (with the least rainfall) is September (6mm).

Average rainfall days in September
Vertentes, Brazil

Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is April (19.9 days).
The months with the least rainy days are September and November (9.5 days).

Average daylight in September /
Average sunshine in September
Vertentes, Brazil

Average daylight in September: 12h and 6min

The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).

Average sunshine in September: 7h and 0min

The month with the most sunshine is November (Average sunshine: 7h and 48min).
The month with the least sunshine is July (Average sunshine: 5h and 54min).

Average sunshine days in September
Vertentes, Brazil

Average sunshine days in September: 11.2 days

The month with the most sunshine days is June (13.7 days).
The month with the least sunshine days is April (7.1 days).

Average UV index in September
Vertentes, Brazil

Average UV index in September: 6

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).