September weather forecastAngical do Piauí, Brazil

September

Weather in September

September, the first month of the spring in Angical do Piauí, is still a torrid month, with an average temperature fluctuating between 23.5°C (74.3°F) and 36.5°C (97.7°F).

Temperature

The warmest period falls in September and October, when the average high-temperature reaches 36.5°C (97.7°F).

Humidity

The least humid month in Angical do Piauí, Brazil, is September, with an average relative humidity of 39%.

Rainfall

Months with rainfall are January through July, September through December. September is the first month it rains. Throughout September, in the average 2.5 rainfall days, it receives 3mm (0.12") of precipitation. Throughout the year, in Angical do Piauí, Brazil, there are 157.4 rainfall days, and 636mm (25.04") of precipitation is accumulated.

Daylight

In Angical do Piauí, Brazil, the average length of the day in September is 12h and 5min.
On the first day of the month, sunrise is at 05:50 and sunset at 17:50. On the last day of September, in Angical do Piauí, sunrise is at 05:35 and sunset at 17:45 -03.

Sunshine

With an average of 9.9h of sunshine, September has the most sunshine of the year.

UV index

The month with the highest UV index in Angical do Piauí is September, with an average maximum UV index of 8. A UV Index estimate of 8 to 10 represents a very high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 8 during September morphs into the following directions:
Be proactive in protecting yourself; skin and eyes can be harmed if left unprotected. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Angical do Piauí, Brazil, the months of September and October are known for the peak temperatures, reaching an average high of 36.5°C (97.7°F).

In September, in Angical do Piauí, the average high-temperature is 36.5°C (97.7°F), and the average low-temperature is 23.5°C (74.3°F). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 39°C (102.2°F).

September is the least humid month, with an average relative humidity of 39%.

In September, the average relative humidity in Angical do Piauí, Brazil, is 39%.

September is the first month it rains in Angical do Piauí. Throughout September, in the average 2.5 rainfall days, it receives 3mm (0.12") of precipitation.

In September, the average day length in Angical do Piauí is 12h and 5min.

In September, on the first day of the month, sunrise is at 05:50 and sunset at 17:50. On the last day of the month, in Angical do Piauí, Brazil, sunrise is at 05:35 and sunset at 17:45 -03.

The month with the most sunshine is September, with an average of 9.9h of sunshine.

In September, the average sunshine duration in Angical do Piauí, Brazil, is 9.9h.

The month with the highest UV index in Angical do Piauí is September, with an average maximum UV index of 8.

In September, the average daily maximum UV index is 8. A UV Index reading of 8 to 10 represents a very high health risk from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Aug

September

Oct

Average high temperature

35.2°C

36.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

16.4km/h

14.7km/h

12.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

30.2

27.2

20.2

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Angical do Piauí, Brazil

Average high temperature in September: 36.5°C

The warmest months (with the highest average high temperature) are September and October (36.5°C).
The months with the lowest average high temperature are March and April (31.4°C).

Average low temperature in September: 23.5°C

The month with the highest average low temperature is October (25°C).
The coldest month (with the lowest average low temperature) is July (21.8°C).

Average pressure in September
Angical do Piauí, Brazil

Average pressure in September: 1011.8mbar

The month with the highest atmospheric pressure is July (1013.9mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).

Average wind speed in September
Angical do Piauí, Brazil

Average wind speed in September: 14.2km/h

The windiest month (with the highest average wind speed) is July (15.9km/h).
The calmest month (with the lowest average wind speed) is March (7.3km/h).

Average humidity in September
Angical do Piauí, Brazil

Average humidity in September: 39%

The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is September (39%).

Average rainfall in September
Angical do Piauí, Brazil

Average rainfall in September: 3mm

The wettest month (with the highest rainfall) is March (137mm).
The driest month (with the least rainfall) is August (0mm).

Average rainfall days in September
Angical do Piauí, Brazil

Average rainfall days in September: 2.5 days

The month with the highest number of rainy days is March (26.8 days).
The month with the least rainy days is August (0.5 days).

Average daylight in September /
Average sunshine in September
Angical do Piauí, Brazil

Average daylight in September: 12h and 6min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).

Average sunshine in September: 9h and 54min

The month with the most sunshine is September (Average sunshine: 9h and 54min).
The month with the least sunshine is April (Average sunshine: 7h and 24min).

Average sunshine days in September
Angical do Piauí, Brazil

Average sunshine days in September: 27.2 days

The month with the most sunshine days is August (30.2 days).
The month with the least sunshine days is March (3.1 days).

Average UV index in September
Angical do Piauí, Brazil

Average UV index in September: 8

The month with the highest UV index is September (UV index 8).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 7).

Average cloud cover in September
Angical do Piauí, Brazil

Average cloud cover in September: 17

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in September
Angical do Piauí, Brazil

Average visibility in September: 10km

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