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
Piratininga's weather, upon September's arrival, documents an average high-temperature of a still moderately hot 29.1°C (84.4°F), nearly identical to the prior month. A considerable shift from the daytime highs is observed in Piratininga during September nights, with an average low of 16.5°C (61.7°F).Heat index
For most parts of September, the heat index is evaluated at a hot 32°C (89.6°F). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. 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
With an average relative humidity of 64%, September is the least humid month.Rainfall
In Piratininga, in September, it is raining for 10.3 days, with typically 52mm (2.05") of accumulated precipitation. Throughout the year, there are 209.6 rainfall days, and 1278mm (50.31") of precipitation is accumulated.Daylight
In September, the average length of the day in Piratininga is 11h and 59min.On the first day of September, sunrise is at 06:25 and sunset at 18:06. On the last day of the month, sunrise is at 05:57 and sunset at 18:15 -03.
Sunshine
August and September, with an average of 9.2h of sunshine, are months with the most sunshine.UV index
The months with the lowest UV index are February, April through July and September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Piratininga in September?
What is the least humid month in Piratininga?
What is the average humidity in September in Piratininga?
How much does it rain in Piratininga in September?
What is the average length of the day in September in Piratininga?
When is the sunrise / sunset in September in Piratininga?
What are the months with the most sunshine in Piratininga?
How many hours of sunshine does Piratininga have in September?
What is the month with the lowest UV index in Piratininga?
How high is the UV index in September in Piratininga?
Average temperature in September
Piratininga, Brazil
- Average high temperature in September: 29.1°C
The warmest month (with the highest average high temperature) is October (29.7°C).
The month with the lowest average high temperature is June (23°C).
- Average low temperature in September: 16.5°C
The month with the highest average low temperature is January (19.9°C).
The coldest months (with the lowest average low temperature) are June and July (13.8°C).
Average pressure in September
Piratininga, Brazil
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is July (1018.9mbar).
The month with the lowest atmospheric pressure is December (1010.9mbar).
Average wind speed in September
Piratininga, Brazil
- Average wind speed in September: 10.2km/h
The windiest months (with the highest average wind speed) are September and October (10.2km/h).
The calmest month (with the lowest average wind speed) is February (7.4km/h).
Average humidity in September
Piratininga, Brazil
- Average humidity in September: 64%
The month with the highest relative humidity is March (86%).
The month with the lowest relative humidity is September (64%).
Average rainfall in September
Piratininga, Brazil
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is January (238mm).
The driest months (with the least rainfall) are July and August (25mm).
Average rainfall days in September
Piratininga, Brazil
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is January (28.4 days).
The month with the least rainy days is August (5.9 days).
Average daylight in September /
Average sunshine in September
Piratininga, 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 1min
The months with the most sunshine are August and September (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).
Average sunshine days in September
Piratininga, Brazil
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is August (24.9 days).
The month with the least sunshine days is February (2 days).
Average UV index in September
Piratininga, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, March, August, October, November and December (UV index 6).
The months with the lowest UV index are February, April, May, June, July and September (UV index 5).
Average cloud cover in September
Piratininga, Brazil
- Average cloud cover in September: 22
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Piratininga, Brazil
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are March and May (7km).
