September weather forecastIbirá, Brazil

September

Weather in September

September, the first month of the spring in Ibirá, is a tropical month, with an average temperature fluctuating between 18.5°C (65.3°F) and 31.3°C (88.3°F).

Temperature

Transitioning into September, Ibirá experiences an average high-temperature of a hot 31.3°C (88.3°F), marking a minor shift from the preceding month. A marked drop from daytime peak temperatures to an average low-temperature of 18.5°C (65.3°F) is observed during the nights in September in Ibirá.

Heat index

The heat index in September is appraised at a hot 34°C (93.2°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

The months with the lowest humidity in Ibirá are August and September, with an average relative humidity of 54%.

Rainfall

In September, in Ibirá, the rain falls for 8.2 days. Throughout September, 44mm (1.73") of precipitation is accumulated. In Ibirá, during the entire year, the rain falls for 204.1 days and collects up to 1207mm (47.52") of precipitation.

Daylight

In September, the average length of the day is 11h and 59min.
On the first day of September in Ibirá, sunrise is at 06:25 and sunset at 18:08. On the last day of the month, sunrise is at 05:58 and sunset at 18:15 -03.

Sunshine

August and September, with an average of 9.4h of sunshine, are months with the most sunshine in Ibirá.

UV index

January through April, June through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during September translates into the following guidance:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

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

Frequently asked questions

During September, Ibirá experiences an average high-temperature of 31.3°C (88.3°F) and a low-temperature of 18.5°C (65.3°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 appraised at 34°C (93.2°F).

The months with the lowest humidity in Ibirá, Brazil, are August and September, with an average relative humidity of 54%.

In Ibirá, the average relative humidity in September is 54%.

In Ibirá, Brazil, in September, during 8.2 rainfall days, 44mm (1.73") of precipitation is typically accumulated.

In Ibirá, Brazil, the average day length in September is 11h and 59min.

In September, on the first day of the month, sunrise is at 06:25 and sunset at 18:08. On the last day of the month, in Ibirá, Brazil, sunrise is at 05:58 and sunset at 18:15 -03.

The months with the most sunshine are August and September, with an average of 9.4h of sunshine.

In Ibirá, the average sunshine duration in September is 9.4h.

January through April, June through December, with an average maximum UV index of 6, are months with the highest UV index in Ibirá.

In Ibirá, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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

28.8°C

31.3°C

31.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.7km/h

11.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

26.6

20.6

12.3

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Ibirá, Brazil

Average high temperature in September: 31.3°C

The warmest month (with the highest average high temperature) is October (31.4°C).
The month with the lowest average high temperature is June (24.7°C).

Average low temperature in September: 18.5°C

The month with the highest average low temperature is December (21°C).
The coldest month (with the lowest average low temperature) is June (15.3°C).

Average pressure in September
Ibirá, Brazil

Average pressure in September: 1014.4mbar

The month with the highest atmospheric pressure is July (1018.3mbar).
The months with the lowest atmospheric pressure are November and December (1010.4mbar).

Average wind speed in September
Ibirá, Brazil

Average wind speed in September: 10.5km/h

The windiest month (with the highest average wind speed) is August (10.6km/h).
The calmest month (with the lowest average wind speed) is February (7.4km/h).

Average humidity in September
Ibirá, Brazil

Average humidity in September: 54%

The month with the highest relative humidity is March (86%).
The months with the lowest relative humidity are August and September (54%).

Average rainfall in September
Ibirá, Brazil

Average rainfall in September: 44mm

The wettest month (with the highest rainfall) is January (226mm).
The driest month (with the least rainfall) is July (8mm).

Average rainfall days in September
Ibirá, Brazil

Average rainfall days in September: 8.2 days

The month with the highest number of rainy days is January (28.7 days).
The month with the least rainy days is August (3.9 days).

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

Average daylight in September: 12h and 0min

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

Average sunshine in September: 9h and 24min

The months with the most sunshine are August and September (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).

Average sunshine days in September
Ibirá, Brazil

Average sunshine days in September: 20.6 days

The month with the most sunshine days is August (26.6 days).
The month with the least sunshine days is February (1.3 days).

Average UV index in September
Ibirá, Brazil

Average UV index in September: 6

The months with the highest UV index are January, February, March, April, June, July, August, September, October, November and December (UV index 6).
The month with the lowest UV index is May (UV index 5).

Average cloud cover in September
Ibirá, Brazil

Average cloud cover in September: 18

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in September
Ibirá, Brazil

Average visibility in September: 10km

The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May and December (8km).