September weather forecastIrecê, Brazil

September

Weather in September

September, the first month of the spring in Irecê, is a hot month, with an average temperature varying between 18.2°C (64.8°F) and 30.6°C (87.1°F).

Temperature

The arrival of September marks a slight shift to an average high-temperature of a tropical 30.6°C (87.1°F) from August's 28.4°C (83.1°F). Despite the hot September days, Irecê's nights see an average temperature plunge to a comfortable 18.2°C (64.8°F).

Heat index

For September, the heat index is calculated to be a hot 33°C (91.4°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
In reference to the heat index, it's for places in shade and with a slight wind. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

September and October, with an average relative humidity of 56%, are the least humid months in Irecê.

Rainfall

In September, in Irecê, Brazil, the rain falls for 2.1 days. Throughout September, 3mm (0.12") of precipitation is accumulated. In Irecê, during the entire year, the rain falls for 110.5 days and collects up to 525mm (20.67") of precipitation.

Daylight

The average length of the day in September in Irecê is 12h and 2min.
On the first day of the month, sunrise is at 05:50 and sunset at 17:44. On the last day of September, in Irecê, sunrise is at 05:31 and sunset at 17:43 -03.

Sunshine

The average sunshine in September is 9.4h.

UV index

September through November, with an average maximum UV index of 7, are months with the highest UV index in Irecê. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 7 in September translates into these instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

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

Frequently asked questions

An average high-temperature, in September, in Irecê, is 30.6°C (87.1°F) and the average low-temperature is 18.2°C (64.8°F). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 33°C (91.4°F).

The months with the lowest humidity are September and October, with an average relative humidity of 56%.

In Irecê, the average relative humidity in September is 56%.

In Irecê, in September, during 2.1 rainfall days, 3mm (0.12") of precipitation is typically accumulated.

The average day length in September in Irecê is 12h and 2min.

In September, on the first day of the month, sunrise is at 05:50 and sunset at 17:44. On the last day of the month, sunrise is at 05:31 and sunset at 17:43 -03.

The average sunshine duration in September in Irecê is 9.4h.

September through November, with an average maximum UV index of 7, are months with the highest UV index in Irecê.

In Irecê, Brazil, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health threat 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

28.4°C

30.6°C

31.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

22.2km/h

21.8km/h

20.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

24.2

22.3

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Irecê, Brazil

Average high temperature in September: 30.6°C

The warmest month (with the highest average high temperature) is October (31.5°C).
The month with the lowest average high temperature is July (27.2°C).

Average low temperature in September: 18.2°C

The month with the highest average low temperature is November (20.7°C).
The coldest month (with the lowest average low temperature) is July (17.2°C).

Average pressure in September
Irecê, Brazil

Average pressure in September: 1015.7mbar

The month with the highest atmospheric pressure is July (1017.6mbar).
The month with the lowest atmospheric pressure is November (1011.7mbar).

Average wind speed in September
Irecê, Brazil

Average wind speed in September: 21.3km/h

The windiest months (with the highest average wind speed) are August and September (21.3km/h).
The calmest month (with the lowest average wind speed) is March (13.6km/h).

Average humidity in September
Irecê, Brazil

Average humidity in September: 56%

The month with the highest relative humidity is April (71%).
The months with the lowest relative humidity are September and October (56%).

Average rainfall in September
Irecê, Brazil

Average rainfall in September: 3mm

The wettest month (with the highest rainfall) is February (90mm).
The driest months (with the least rainfall) are June, July and August (2mm).

Average rainfall days in September
Irecê, Brazil

Average rainfall days in September: 2.1 days

The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (1.7 days).

Average daylight in September /
Average sunshine in September
Irecê, Brazil

Average daylight in September: 12h and 0min

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

Average sunshine in September: 9h and 24min

The months with the most sunshine are January and February (Average sunshine: 10h and 30min).
The month with the least sunshine is July (Average sunshine: 6h and 42min).

Average sunshine days in September
Irecê, Brazil

Average sunshine days in September: 24.2 days

The month with the most sunshine days is September (24.2 days).
The month with the least sunshine days is February (10.3 days).

Average UV index in September
Irecê, Brazil

Average UV index in September: 7

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

Average cloud cover in September
Irecê, Brazil

Average cloud cover in September: 21

The month with the most cloud cover is April (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 21).

Average visibility in September
Irecê, Brazil

Average visibility in September: 10km

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