September weather forecastAdustina, Brazil

September

Weather in September

The first month of the spring, September, is still a warm month in Adustina, Brazil, with an average temperature ranging between min 18.5°C (65.3°F) and max 29.5°C (85.1°F).

Temperature

September's climate shows a minor adjustment in average high-temperatures to a still warm 29.5°C (85.1°F) from August's 27.9°C (82.2°F). Throughout September, a steady low-temperature average of 18.5°C (65.3°F) is noted.

Heat index

For most parts of September, the heat index is appraised at a very hot 35°C (95°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. 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 extremely significant for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

The average relative humidity in September is 74%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.9 days and accumulates 10mm (0.39") of precipitation.

Daylight

The average length of the day in September is 12h and 3min.
On the first day of September in Adustina, sunrise is at 05:34 and sunset at 17:29. On the last day of the month, sunrise is at 05:16 and sunset at 17:28 -03.

Sunshine

In Adustina, the average sunshine in September is 6.5h.

UV index

In Adustina, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

September temperatures vary between a high-temperature of 29.5°C (85.1°F) and a low-temperature of 18.5°C (65.3°F). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 35°C (95°F).

In September, the average relative humidity in Adustina, Brazil, is 74%.

The month with the least rainfall is September, when the rain falls for 11.9 days and typically collects 10mm (0.39") of precipitation.

In Adustina, Brazil, during September, the rain falls for 11.9 days and regularly aggregates up to 10mm (0.39") of precipitation.

The average day length in September is 12h and 3min.

In September, on the first day of the month, sunrise is at 05:34 and sunset at 17:29. On the last day of the month, sunrise is at 05:16 and sunset at 17:28 -03.

The average sunshine duration in September is 6.5h.

The average daily maximum UV index in September in Adustina is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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
Adustina, Brazil

  • Average high temperature in September: 29.5°C

The warmest month (with the highest average high temperature) is March (33.3°C).
The month with the lowest average high temperature is July (26.9°C).

  • Average low temperature in September: 18.5°C

The month with the highest average low temperature is March (22°C).
The coldest month (with the lowest average low temperature) is August (17.8°C).

Average pressure in September
Adustina, Brazil

  • Average pressure in September: 1016.4mbar

The month with the highest atmospheric pressure is July (1017.7mbar).
The months with the lowest atmospheric pressure are November and December (1011.8mbar).

Average wind speed in September
Adustina, Brazil

  • Average wind speed in September: 15.6km/h

The windiest month (with the highest average wind speed) is November (16.4km/h).
The calmest month (with the lowest average wind speed) is April (12.2km/h).

Average humidity in September
Adustina, Brazil

  • Average humidity in September: 74%

The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are February, March, November and December (67%).

Average rainfall in September
Adustina, Brazil

  • Average rainfall in September: 10mm

The wettest month (with the highest rainfall) is May (39mm).
The driest month (with the least rainfall) is September (10mm).

Average rainfall days in September
Adustina, Brazil

  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is November (8.5 days).

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

  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 30min).

  • Average sunshine in September: 6h and 30min

The month with the most sunshine is January (Average sunshine: 9h and 48min).
The month with the least sunshine is July (Average sunshine: 4h and 42min).

Average sunshine days in September
Adustina, Brazil

  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is December (18.3 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in September
Adustina, Brazil

  • Average UV index in September: 6

The months with the highest UV index are January, February, March, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).

Average cloud cover in September
Adustina, Brazil

  • Average cloud cover in September: 50

The month with the most cloud cover is July (Cloud cover 65).
The month with the least cloud cover is December (Cloud cover 38).

Average visibility in September
Adustina, Brazil

  • Average visibility in September: 8km

The months with the highest visibility are February, November and December (10km).
The months with the lowest visibility are May, June, July and August (7km).