Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Itapecerica's temperatures peak on average in September, reaching 28.2°C (82.8°F) at their highest and 15.4°C (59.7°F) at their lowest.Heat index
In September, the heat index is computed to be a hot 30°C (86°F). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
With an average relative humidity of 62%, September is the least humid month.Rainfall
In Itapecerica, in September, it is raining for 10.9 days, with typically 43mm (1.69") of accumulated precipitation. In Itapecerica, during the entire year, the rain falls for 230.6 days and collects up to 1376mm (54.17") of precipitation.Daylight
In Itapecerica, the average length of the day in September is 11h and 59min.On the first day of September, sunrise is at 06:08 and sunset at 17:52. On the last day of the month, sunrise is at 05:41 and sunset at 17:58 -03.
Sunshine
The months with the most sunshine are July through September, with an average of 9.2h of sunshine.UV index
The months with the lowest UV index are February through July, September through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the hottest in Itapecerica?
How hot does it get in Itapecerica in September?
What is the least humid month in Itapecerica?
What is the average humidity in September in Itapecerica?
How many days does it rain in September in Itapecerica?
What is the average length of the day in September in Itapecerica?
When are sunrise and sunset in September in Itapecerica?
What are the months with the most sunshine in Itapecerica?
How long on average sun shines in September in Itapecerica?
When is the lowest UV index in Itapecerica?
What is the UV index intensity in September in Itapecerica?
Average temperature in September
Itapecerica, Brazil
- Average high temperature in September: 28.2°C
The warmest month (with the highest average high temperature) is September (28.2°C).
The month with the lowest average high temperature is June (22.5°C).
- Average low temperature in September: 15.4°C
The month with the highest average low temperature is December (18.1°C).
The coldest month (with the lowest average low temperature) is July (12.5°C).
Average pressure in September
Itapecerica, Brazil
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is December (1012.7mbar).
Average wind speed in September
Itapecerica, Brazil
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is September (9.4km/h).
The calmest months (with the lowest average wind speed) are April and May (6.9km/h).
Average humidity in September
Itapecerica, Brazil
- Average humidity in September: 62%
The months with the highest relative humidity are March and April (89%).
The month with the lowest relative humidity is September (62%).
Average rainfall in September
Itapecerica, Brazil
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is December (235mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in September
Itapecerica, Brazil
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is December (29.8 days).
The month with the least rainy days is August (4.5 days).
Average daylight in September /
Average sunshine in September
Itapecerica, 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 1min
The months with the most sunshine are July, August and September (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Itapecerica, Brazil
- Average sunshine days in September: 18.2 days
The month with the most sunshine days is August (24.9 days).
The month with the least sunshine days is December (0.5 days).
Average UV index in September
Itapecerica, Brazil
- Average UV index in September: 5
The months with the highest UV index are January and August (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, September, October, November and December (UV index 5).
Average cloud cover in September
Itapecerica, Brazil
- Average cloud cover in September: 25
The months with the most cloud cover are March and December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Itapecerica, Brazil
- Average visibility in September: 9km
The months with the highest visibility are July, August, September and October (9km).
The month with the lowest visibility is April (6km).
