September weather forecastSanto Augusto, Brazil

September

Weather in September

The first month of the spring, September, is still a pleasant month in Santo Augusto, Brazil, with an average temperature fluctuating between 12.1°C (53.8°F) and 22.1°C (71.8°F).

Temperature

Santo Augusto, Brazil, measures an average high-temperature of a still agreeable 22.1°C (71.8°F) in September, nearly consistent with the preceding month. In Santo Augusto, September nights witness a steady temperature drop to a cool 12.1°C (53.8°F).

Humidity

In Santo Augusto, the average relative humidity in September is 83%.

Rainfall

In Santo Augusto, in September, during 13 rainfall days, 78mm (3.07") of precipitation is typically accumulated. In Santo Augusto, during the entire year, the rain falls for 194.6 days and collects up to 1330mm (52.36") of precipitation.

Snowfall

January through June, August through December are months without snowfall.

Daylight

In September, the average length of the day in Santo Augusto is 11h and 56min.
On the first day of September, sunrise is at 06:47 and sunset at 18:21. On the last day of the month, sunrise is at 06:14 and sunset at 18:35 -03.

Sunshine

The average sunshine in September is 7.9h.

UV index

In Santo Augusto, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, a daily UV index of 5 turns into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

Santo Augusto in September has an average high-temperature of 22.1°C (71.8°F) and an average low-temperature of 12.1°C (53.8°F). In February, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 32°C (89.6°F).

The average relative humidity in September in Santo Augusto is 83%.

In September, in Santo Augusto, the rain falls for 13 days. Throughout September, 78mm (3.07") of precipitation is accumulated.

In Santo Augusto, snow does not fall in January through June, August through December.

In Santo Augusto, Brazil, the average day length in September is 11h and 56min.

In September, on the first day of the month, sunrise is at 06:47 and sunset at 18:21. On the last day of the month, in Santo Augusto, sunrise is at 06:14 and sunset at 18:35 -03.

The average sunshine duration in September in Santo Augusto, Brazil, is 7.9h.

In Santo Augusto, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate 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 snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Santo Augusto, Brazil

  • Average high temperature in September: 22.1°C

The warmest months (with the highest average high temperature) are January and December (28.2°C).
The month with the lowest average high temperature is July (17.7°C).

  • Average low temperature in September: 12.1°C

The month with the highest average low temperature is January (18.1°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).

Average pressure in September
Santo Augusto, Brazil

  • Average pressure in September: 1015.9mbar

The month with the highest atmospheric pressure is July (1019.2mbar).
The month with the lowest atmospheric pressure is December (1010.5mbar).

Average wind speed in September
Santo Augusto, Brazil

  • Average wind speed in September: 11km/h

The windiest month (with the highest average wind speed) is August (11.6km/h).
The calmest month (with the lowest average wind speed) is February (9km/h).

Average humidity in September
Santo Augusto, Brazil

  • Average humidity in September: 83%

The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is November (76%).

Average rainfall in September
Santo Augusto, Brazil

  • Average rainfall in September: 78mm

The wettest month (with the highest rainfall) is October (155mm).
The driest month (with the least rainfall) is August (74mm).

Average rainfall days in September
Santo Augusto, Brazil

  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is January (23.5 days).
The month with the least rainy days is August (11.8 days).

Average snowfall days in September
Santo Augusto, Brazil

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is July (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
Santo Augusto, Brazil

  • Average daylight in September: 11h and 54min

The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).

  • Average sunshine in September: 7h and 54min

The month with the most sunshine is December (Average sunshine: 8h and 36min).
The month with the least sunshine is June (Average sunshine: 7h and 0min).

Average sunshine days in September
Santo Augusto, Brazil

  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is August (17.4 days).
The month with the least sunshine days is February (5.5 days).

Average UV index in September
Santo Augusto, Brazil

  • Average UV index in September: 5

The months with the highest UV index are January, February, November and December (UV index 6).
The month with the lowest UV index is May (UV index 3).

Average cloud cover in September
Santo Augusto, Brazil

  • Average cloud cover in September: 37

The months with the most cloud cover are February and May (Cloud cover 43).
The month with the least cloud cover is November (Cloud cover 32).

Average visibility in September
Santo Augusto, Brazil

  • Average visibility in September: 8km

The months with the highest visibility are November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and October (8km).