September weather forecastCatas Altas, Brazil

September

Weather in September

The first month of the spring, September, is still a warm month in Catas Altas, Brazil, with an average temperature varying between 14.4°C (57.9°F) and 25.1°C (77.2°F).

Temperature

Upon the onset of September, Catas Altas witnesses an average high-temperature of a still moderately hot 25.1°C (77.2°F), showing a close resemblance to the prior month. Catas Altas's average low-temperature is measured at a refreshing 14.4°C (57.9°F) during September.

Humidity

With an average relative humidity of 75%, September is the least humid month.

Rainfall

In Catas Altas, in September, during 12.7 rainfall days, 44mm (1.73") of precipitation is typically accumulated. Throughout the year, there are 225.6 rainfall days, and 1112mm (43.78") of precipitation is accumulated.

Daylight

The average length of the day in September is 11h and 59min.
On the first day of September, sunrise is at 06:01 and sunset at 17:45. On the last day of the month, sunrise is at 05:35 and sunset at 17:51 -03.

Sunshine

With an average of 8.3h of sunshine, September has the most sunshine of the year.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 5. The months with the lowest UV index in Catas Altas are January through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 5 in September translates into these instructions:
Take necessary precautions - Defending against sun damage is advocated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Updated: Aug 21, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

September temperatures vary between a high-temperature of 25.1°C (77.2°F) and a low-temperature of 14.4°C (57.9°F).

With an average relative humidity of 75%, September is the least humid month.

The average relative humidity in September is 75%.

In Catas Altas, in September, it is raining for 12.7 days, with typically 44mm (1.73") of accumulated precipitation.

The average day length in September is 11h and 59min.

On the first day of September, sunrise is at 06:01 and sunset at 17:45. On the last day of the month, sunrise is at 05:35 and sunset at 17:51 -03.

September has the most sunshine of the year in Catas Altas, with an average of 8.3h of sunshine.

In September, the average sunshine duration is 8.3h.

January through December, with an average maximum UV index of 5, are months with the highest UV index.

The months with the lowest UV index are January through December, with an average maximum UV index of 5.

In Catas Altas, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

23.2°C

25.1°C

25.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.6km/h

8.1km/h

8.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

16.9

11.9

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Catas Altas, Brazil

Average high temperature in September: 25.1°C

The warmest months (with the highest average high temperature) are January and February (25.6°C).
The month with the lowest average high temperature is June (21.4°C).

Average low temperature in September: 14.4°C

The month with the highest average low temperature is December (17.6°C).
The coldest month (with the lowest average low temperature) is August (12.1°C).

Average pressure in September
Catas Altas, Brazil

Average pressure in September: 1018.1mbar

The month with the highest atmospheric pressure is July (1021.1mbar).
The month with the lowest atmospheric pressure is December (1013mbar).

Average wind speed in September
Catas Altas, Brazil

Average wind speed in September: 7.8km/h

The windiest month (with the highest average wind speed) is September (7.8km/h).
The calmest months (with the lowest average wind speed) are April and May (5.6km/h).

Average humidity in September
Catas Altas, Brazil

Average humidity in September: 75%

The month with the highest relative humidity is March (91%).
The month with the lowest relative humidity is September (75%).

Average rainfall in September
Catas Altas, Brazil

Average rainfall in September: 44mm

The wettest month (with the highest rainfall) is December (193mm).
The driest month (with the least rainfall) is July (13mm).

Average rainfall days in September
Catas Altas, Brazil

Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is December (26.8 days).
The month with the least rainy days is August (8.9 days).

Average daylight in September /
Average sunshine in September
Catas Altas, 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: 10h and 54min).

Average sunshine in September: 8h and 18min

The month with the most sunshine is September (Average sunshine: 8h and 18min).
The month with the least sunshine is November (Average sunshine: 5h and 30min).

Average sunshine days in September
Catas Altas, Brazil

Average sunshine days in September: 11.9 days

The month with the most sunshine days is August (16.9 days).
The month with the least sunshine days is December (2.1 days).

Average UV index in September
Catas Altas, Brazil

Average UV index in September: 5

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