September weather forecastPraça Seca, Brazil

September

Weather in September

September, the first month of the spring in Praça Seca, is still a warm month, with an average temperature varying between 19.2°C (66.6°F) and 25.6°C (78.1°F).

Temperature

With the start of September, Praça Seca measures an average high-temperature of a still warm 25.6°C (78.1°F), not significantly differing from August's 24.8°C (76.6°F). In September, Praça Seca encounters an average low-temperature of 19.2°C (66.6°F) during the night.

Humidity

In September, the average relative humidity is 78%.

Rainfall

In September, the rain falls for 13.4 days. Throughout September, 28mm (1.1") of precipitation is accumulated. In Praça Seca, during the entire year, the rain falls for 172 days and collects up to 543mm (21.38") of precipitation.

Daylight

In September, the average length of the day is 11h and 58min.
On the first day of September, sunrise is at 06:03 and sunset at 17:43. On the last day of the month, sunrise is at 05:34 and sunset at 17:52 -03.

Sunshine

In September, the average sunshine is 7.5h.

UV index

The months with the lowest UV index are February through November, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 6 in September transforms into the following instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

In September, in Praça Seca, the average high-temperature is 25.6°C (78.1°F), and the average low-temperature is 19.2°C (66.6°F). In April, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is appraised at 31°C (87.8°F).

The average relative humidity in September is 78%.

In Praça Seca, in September, during 13.4 rainfall days, 28mm (1.1") of precipitation is typically accumulated.

In September, the average day length is 11h and 58min.

In September, on the first day of the month, sunrise is at 06:03 and sunset at 17:43. On the last day of the month, in Praça Seca, sunrise is at 05:34 and sunset at 17:52 -03.

In Praça Seca, the average sunshine duration in September is 7.5h.

February through November, with an average maximum UV index of 6, are months with the lowest UV index.

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Praça Seca, Brazil

  • Average high temperature in September: 25.6°C

The warmest month (with the highest average high temperature) is February (30.6°C).
The month with the lowest average high temperature is July (24.5°C).

  • Average low temperature in September: 19.2°C

The month with the highest average low temperature is January (23.3°C).
The coldest month (with the lowest average low temperature) is August (18°C).

Average pressure in September
Praça Seca, Brazil

  • Average pressure in September: 1017.8mbar

The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).

Average wind speed in September
Praça Seca, Brazil

  • Average wind speed in September: 10.2km/h

The windiest months (with the highest average wind speed) are August and September (10.2km/h).
The calmest month (with the lowest average wind speed) is March (8km/h).

Average humidity in September
Praça Seca, Brazil

  • Average humidity in September: 78%

The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is August (77%).

Average rainfall in September
Praça Seca, Brazil

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is February (75mm).
The driest months (with the least rainfall) are June and August (23mm).

Average rainfall days in September
Praça Seca, Brazil

  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is March (19.9 days).
The month with the least rainy days is August (9.4 days).

Average daylight in September /
Average sunshine in September
Praça Seca, Brazil

  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).

  • Average sunshine in September: 7h and 30min

The month with the most sunshine is February (Average sunshine: 8h and 36min).
The months with the least sunshine are October and November (Average sunshine: 7h and 12min).

Average sunshine days in September
Praça Seca, Brazil

  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is August (19.2 days).
The month with the least sunshine days is March (8.2 days).

Average UV index in September
Praça Seca, Brazil

  • Average UV index in September: 6

The months with the highest UV index are January and December (UV index 7).
The months with the lowest UV index are February, March, April, May, June, July, August, September, October and November (UV index 6).

Average cloud cover in September
Praça Seca, Brazil

  • Average cloud cover in September: 38

The month with the most cloud cover is November (Cloud cover 49).
The month with the least cloud cover is February (Cloud cover 31).

Average visibility in September
Praça Seca, Brazil

  • Average visibility in September: 9km

The months with the highest visibility are February, May, June and August (10km).
The months with the lowest visibility are January, March, April, July, September, October, November and December (9km).