September weather forecastGabriel Monteiro, Brazil

September

Weather in September

The first month of the spring, September, is a hot month in Gabriel Monteiro, Brazil, with temperature in the range of an average high of 31.6°C (88.9°F) and an average low of 18.7°C (65.7°F).

Temperature

The transition into September is marked with an average high-temperature of a tropical 31.6°C (88.9°F), showing an insignificant shift from August's 29.4°C (84.9°F). The month of September sees a significant daily temperature drop, recording an average low-temperature of 18.7°C (65.7°F).

Heat index

The heat index value during September is calculated to be a very hot 35°C (95°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

In Gabriel Monteiro, the average relative humidity in September is 55%.

Rainfall

In September, the rain falls for 9.5 days. Throughout September, 49mm (1.93") of precipitation is accumulated. Throughout the year, in Gabriel Monteiro, Brazil, there are 194.5 rainfall days, and 1131mm (44.53") of precipitation is accumulated.

Daylight

The average length of the day in September is 11h and 59min.
On the first day of September, sunrise is at 06:30 and sunset at 18:13. On the last day of the month, sunrise is at 06:03 and sunset at 18:20 -03.

Sunshine

In September, the average sunshine in Gabriel Monteiro is 9.3h.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index in Gabriel Monteiro. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily maximum UV index of 6 in September translates into the following instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

In Gabriel Monteiro, in September, the average high-temperature is 31.6°C (88.9°F), and the average low-temperature is 18.7°C (65.7°F). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 35°C (95°F).

In September, the average relative humidity is 55%.

In Gabriel Monteiro, Brazil, in September, during 9.5 rainfall days, 49mm (1.93") of precipitation is typically accumulated.

In September, the average day length in Gabriel Monteiro is 11h and 59min.

On the first day of September in Gabriel Monteiro, Brazil, sunrise is at 06:30 and sunset at 18:13. On the last day of the month, sunrise is at 06:03 and sunset at 18:20 -03.

The average sunshine duration in September in Gabriel Monteiro is 9.3h.

The months with the highest UV index in Gabriel Monteiro, Brazil, are January through December, with an average maximum UV index of 6.

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

The average daily maximum UV index in September in Gabriel Monteiro, Brazil, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Gabriel Monteiro, Brazil

  • Average high temperature in September: 31.6°C

The warmest month (with the highest average high temperature) is October (31.7°C).
The month with the lowest average high temperature is June (25°C).

  • Average low temperature in September: 18.7°C

The month with the highest average low temperature is December (21.4°C).
The coldest month (with the lowest average low temperature) is June (15.6°C).

Average pressure in September
Gabriel Monteiro, Brazil

  • Average pressure in September: 1013.8mbar

The month with the highest atmospheric pressure is July (1017.8mbar).
The months with the lowest atmospheric pressure are November and December (1009.7mbar).

Average wind speed in September
Gabriel Monteiro, Brazil

  • Average wind speed in September: 10.7km/h

The windiest month (with the highest average wind speed) is August (10.8km/h).
The calmest month (with the lowest average wind speed) is February (7.2km/h).

Average humidity in September
Gabriel Monteiro, Brazil

  • Average humidity in September: 55%

The month with the highest relative humidity is March (85%).
The month with the lowest relative humidity is August (54%).

Average rainfall in September
Gabriel Monteiro, Brazil

  • Average rainfall in September: 49mm

The wettest month (with the highest rainfall) is January (188mm).
The driest month (with the least rainfall) is August (10mm).

Average rainfall days in September
Gabriel Monteiro, Brazil

  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is January (27.7 days).
The month with the least rainy days is August (4.4 days).

Average daylight in September /
Average sunshine in September
Gabriel Monteiro, Brazil

  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).

  • Average sunshine in September: 9h and 18min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 7h and 18min).

Average sunshine days in September
Gabriel Monteiro, Brazil

  • Average sunshine days in September: 19.2 days

The month with the most sunshine days is August (25.9 days).
The month with the least sunshine days is January (3.3 days).

Average UV index in September
Gabriel Monteiro, 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).

Average cloud cover in September
Gabriel Monteiro, Brazil

  • Average cloud cover in September: 18

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in September
Gabriel Monteiro, Brazil

  • Average visibility in September: 10km

The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May and December (8km).