September weather forecastCortês, Brazil

September

Weather in September

The first month of the spring, September, is still a warm month in Cortês, Brazil, with an average temperature ranging between min 18.8°C (65.8°F) and max 26.8°C (80.2°F).

Temperature

September denotes a minimal variation in the average high-temperature to a still warm 26.8°C (80.2°F) from August's 25.9°C (78.6°F). The mean low-temperature during September nights is an enjoyable 18.8°C (65.8°F).

Humidity

The average relative humidity in September in Cortês is 85%.

Rainfall

In Cortês, Brazil, in September, during 20.2 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, in Cortês, there are 200.6 rainfall days, and 433mm (17.05") of precipitation is accumulated.

Daylight

In Cortês, the average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:23 and sunset at 17:20. On the last day of September, sunrise is at 05:06 and sunset at 17:17 -03.

Sunshine

In September, the average sunshine is 6.5h.

UV index

January through May, September through December, with an average maximum UV index of 6, are months with the highest UV index in Cortês. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 6 in September leads to these recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

September temperatures in Cortês, Brazil, vary between a high-temperature of 26.8°C (80.2°F) and a low-temperature of 18.8°C (65.8°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in May is computed to be 34°C (93.2°F).

The average relative humidity in September in Cortês is 85%.

In September, the rain falls for 20.2 days. Throughout September, 34mm (1.34") of precipitation is accumulated.

In September, the average day length in Cortês is 12h and 4min.

In September, on the first day of the month, sunrise is at 05:23 and sunset at 17:20. On the last day of the month, sunrise is at 05:06 and sunset at 17:17 -03.

The average sunshine duration in September in Cortês is 6.5h.

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

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

  • Average high temperature in September: 26.8°C

The warmest month (with the highest average high temperature) is March (31°C).
The month with the lowest average high temperature is July (25.3°C).

  • Average low temperature in September: 18.8°C

The month with the highest average low temperature is March (21.8°C).
The coldest month (with the lowest average low temperature) is August (18.6°C).

Average pressure in September
Cortês, Brazil

  • Average pressure in September: 1016.2mbar

The month with the highest atmospheric pressure is August (1016.9mbar).
The months with the lowest atmospheric pressure are February and March (1012.2mbar).

Average wind speed in September
Cortês, Brazil

  • Average wind speed in September: 10.1km/h

The windiest month (with the highest average wind speed) is October (10.4km/h).
The calmest month (with the lowest average wind speed) is April (7.7km/h).

Average humidity in September
Cortês, Brazil

  • Average humidity in September: 85%

The month with the highest relative humidity is July (90%).
The month with the lowest relative humidity is December (77%).

Average rainfall in September
Cortês, Brazil

  • Average rainfall in September: 34mm

The wettest month (with the highest rainfall) is July (84mm).
The driest months (with the least rainfall) are November and December (13mm).

Average rainfall days in September
Cortês, Brazil

  • Average rainfall days in September: 20.2 days

The month with the highest number of rainy days is July (26.2 days).
The month with the least rainy days is March (11 days).

Average daylight in September /
Average sunshine in September
Cortês, 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 36min).

  • Average sunshine in September: 6h and 30min

The month with the most sunshine is March (Average sunshine: 7h and 18min).
The month with the least sunshine is July (Average sunshine: 5h and 12min).

Average sunshine days in September
Cortês, Brazil

  • Average sunshine days in September: 4.6 days

The month with the most sunshine days is March (19.1 days).
The month with the least sunshine days is August (2 days).

Average UV index in September
Cortês, Brazil

  • Average UV index in September: 6

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

Average cloud cover in September
Cortês, Brazil

  • Average cloud cover in September: 60

The month with the most cloud cover is July (Cloud cover 68).
The months with the least cloud cover are March, November and December (Cloud cover 50).

Average visibility in September
Cortês, Brazil

  • Average visibility in September: 7km

The months with the highest visibility are February and December (9km).
The months with the lowest visibility are May, June and July (6km).