September weather forecastCaiabu, Brazil
September
Weather in September
The first month of the spring, September, is a hot month in Caiabu, Brazil, with an average temperature fluctuating between 18.3°C (64.9°F) and 30.4°C (86.7°F).Temperature
Caiabu's shift from August to September is accompanied by an average high-temperature of a hot 30.4°C (86.7°F), a slight deviation from 27.8°C (82°F). Caiabu's average nighttime temperature descends significantly from the day's peak in September, settling at a comfortable 18.3°C (64.9°F).Heat index
In September, the heat index is evaluated at a tropical 33°C (91.4°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
The months with the lowest humidity in Caiabu are August and September, with an average relative humidity of 59%.Rainfall
In Caiabu, in September, during 9.6 rainfall days, 50mm (1.97") of precipitation is typically accumulated. In Caiabu, during the entire year, the rain falls for 196.8 days and collects up to 1260mm (49.61") of precipitation.Daylight
In September, the average length of the day in Caiabu, Brazil, is 11h and 59min.On the first day of the month, sunrise is at 06:33 and sunset at 18:15. On the last day of September, sunrise is at 06:05 and sunset at 18:23 -03.
Sunshine
The average sunshine in September in Caiabu, Brazil, is 9.1h.UV index
January through March, June through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. 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. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Caiabu, Brazil
- Average high temperature in September: 30.4°C
The warmest month (with the highest average high temperature) is October (30.9°C).
The month with the lowest average high temperature is June (24.1°C).
- Average low temperature in September: 18.3°C
The months with the highest average low temperature are January and December (21.3°C).
The coldest months (with the lowest average low temperature) are June and July (15.3°C).
Average pressure in September
Caiabu, Brazil
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is July (1018.1mbar).
The month with the lowest atmospheric pressure is December (1009.6mbar).
Average wind speed in September
Caiabu, Brazil
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is August (11.1km/h).
The calmest months (with the lowest average wind speed) are February and March (7.8km/h).
Average humidity in September
Caiabu, Brazil
- Average humidity in September: 59%
The months with the highest relative humidity are February and March (84%).
The months with the lowest relative humidity are August and September (59%).
Average rainfall in September
Caiabu, Brazil
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is January (233mm).
The driest month (with the least rainfall) is July (29mm).
Average rainfall days in September
Caiabu, Brazil
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is January (28.5 days).
The month with the least rainy days is August (5.3 days).
Average daylight in September /
Average sunshine in September
Caiabu, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).
Average sunshine days in September
Caiabu, Brazil
- Average sunshine days in September: 19.1 days
The month with the most sunshine days is August (25.1 days).
The month with the least sunshine days is January (2 days).
Average UV index in September
Caiabu, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are April and May (UV index 5).
Average cloud cover in September
Caiabu, Brazil
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Caiabu, Brazil
- Average visibility in September: 10km
The months with the highest visibility are August and September (10km).
The months with the lowest visibility are January, February, March, April, May and June (8km).
