September weather forecastQuartel Geral, Brazil

September

Weather in September

The first month of the spring, September, is a hot month in Quartel Geral, Brazil, with an average temperature ranging between min 16.6°C (61.9°F) and max 30.1°C (86.2°F).

Temperature

September is the month when Quartel Geral experiences its warmest temperatures, averaging a high of 30.1°C (86.2°F) and a low of 16.6°C (61.9°F).

Heat index

The heat index value for September is computed to be a tropical 33°C (91.4°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
Note that heat index values are valued for light wind and location in the shade. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

September is the least humid month in Quartel Geral, with an average relative humidity of 58%.

Rainfall

In Quartel Geral, in September, it is raining for 10.2 days, with typically 27mm (1.06") of accumulated precipitation. In Quartel Geral, Brazil, during the entire year, the rain falls for 222.7 days and collects up to 1373mm (54.06") of precipitation.

Daylight

The average length of the day in September is 12h and 0min.
On the first day of September, sunrise is at 06:09 and sunset at 17:54. On the last day of the month, sunrise is at 05:43 and sunset at 18:00 -03.

Sunshine

September has the most sunshine of the year, with an average of 9.5h of sunshine.

UV index

The months with the highest UV index are January, August through October, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 6 during September leads to these instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

The average temperatures reach their apex in September, averaging 30.1°C (86.2°F) at the high end and 16.6°C (61.9°F) at the low end.

September temperatures vary between a high-temperature of 30.1°C (86.2°F) and a low-temperature of 16.6°C (61.9°F). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in September is computed to be 33°C (91.4°F).

With an average relative humidity of 58%, September is the least humid month.

In Quartel Geral, the average relative humidity in September is 58%.

In Quartel Geral, Brazil, in September, it is raining for 10.2 days, with typically 27mm (1.06") of accumulated precipitation.

In Quartel Geral, the average day length in September is 12h and 0min.

In September, on the first day of the month, sunrise is at 06:09 and sunset at 17:54. On the last day of the month, sunrise is at 05:43 and sunset at 18:00 -03.

With an average of 9.5h of sunshine, September has the most sunshine of the year.

In Quartel Geral, the average sunshine duration in September is 9.5h.

January, August through October, with an average maximum UV index of 6, are months with the highest UV index.

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
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
Quartel Geral, Brazil

  • Average high temperature in September: 30.1°C

The warmest month (with the highest average high temperature) is September (30.1°C).
The month with the lowest average high temperature is June (23.8°C).

  • Average low temperature in September: 16.6°C

The month with the highest average low temperature is December (18.9°C).
The coldest month (with the lowest average low temperature) is July (13.4°C).

Average pressure in September
Quartel Geral, Brazil

  • Average pressure in September: 1016.8mbar

The month with the highest atmospheric pressure is July (1020.2mbar).
The month with the lowest atmospheric pressure is December (1012.5mbar).

Average wind speed in September
Quartel Geral, Brazil

  • Average wind speed in September: 8.9km/h

The windiest month (with the highest average wind speed) is September (8.9km/h).
The calmest months (with the lowest average wind speed) are March and April (6.3km/h).

Average humidity in September
Quartel Geral, Brazil

  • Average humidity in September: 58%

The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is September (58%).

Average rainfall in September
Quartel Geral, Brazil

  • Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is December (247mm).
The driest months (with the least rainfall) are July and August (8mm).

Average rainfall days in September
Quartel Geral, Brazil

  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is March (28.8 days).
The month with the least rainy days is August (4.8 days).

Average daylight in September /
Average sunshine in September
Quartel Geral, Brazil

  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 11h and 0min).

  • Average sunshine in September: 9h and 30min

The month with the most sunshine is September (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in September
Quartel Geral, Brazil

  • Average sunshine days in September: 18.4 days

The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is December (1.4 days).

Average UV index in September
Quartel Geral, Brazil

  • Average UV index in September: 6

The months with the highest UV index are January, August, September and October (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, November and December (UV index 5).

Average cloud cover in September
Quartel Geral, Brazil

  • Average cloud cover in September: 20

The months with the most cloud cover are March and December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in September
Quartel Geral, Brazil

  • Average visibility in September: 10km

The months with the highest visibility are August and September (10km).
The months with the lowest visibility are January, February, March, April, May and December (7km).