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
Weather in September
Temperature
Entering September, Piracaia's average high-temperature reads a still warm 26°C (78.8°F), indicating a close resemblance to the previous month's climate. Throughout the month of September, Piracaia expects an average low of 14.3°C (57.7°F).Humidity
With an average relative humidity of 71%, September is the least humid month.Rainfall
In Piracaia, in September, it is raining for 8.1 days, with typically 28mm (1.1") of accumulated precipitation. In Piracaia, during the entire year, the rain falls for 201.9 days and collects up to 947mm (37.28") of precipitation.Daylight
In Piracaia, the average length of the day in September is 11h and 58min.On the first day of September in Piracaia, sunrise is at 06:15 and sunset at 17:55. On the last day of the month, sunrise is at 05:46 and sunset at 18:04 -03.
Sunshine
The month with the most sunshine is September, with an average of 9h of sunshine.UV index
The months with the lowest UV index in Piracaia are February through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 5 in September translates into this advice:
Exercise prevention - Protecting skin and eyes from harm is required. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What are the temperatures in Piracaia in September?
What is the least humid month in Piracaia?
What is the average humidity in September in Piracaia?
How many days does it rain in September in Piracaia?
What is the average length of the day in September in Piracaia?
What time are sunrise and sunset in September in Piracaia?
What month has the most sunshine in Piracaia?
How many hours of sunshine does Piracaia have in September?
What is the month with the lowest UV index in Piracaia?
What is the UV index reading in September in Piracaia?
Average temperature in September
Piracaia, Brazil
- Average high temperature in September: 26°C
The warmest months (with the highest average high temperature) are October and December (26.5°C).
The month with the lowest average high temperature is June (21.2°C).
- Average low temperature in September: 14.3°C
The month with the highest average low temperature is January (17.7°C).
The coldest month (with the lowest average low temperature) is July (11.8°C).
Average pressure in September
Piracaia, Brazil
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is December (1012.1mbar).
Average wind speed in September
Piracaia, Brazil
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is October (10.1km/h).
The calmest month (with the lowest average wind speed) is February (7.7km/h).
Average humidity in September
Piracaia, Brazil
- Average humidity in September: 71%
The month with the highest relative humidity is March (88%).
The month with the lowest relative humidity is September (71%).
Average rainfall in September
Piracaia, Brazil
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is January (204mm).
The driest month (with the least rainfall) is August (17mm).
Average rainfall days in September
Piracaia, Brazil
- Average rainfall days in September: 8.1 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 days).
Average daylight in September /
Average sunshine in September
Piracaia, 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 42min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is September (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 7h and 18min).
Average sunshine days in September
Piracaia, Brazil
- Average sunshine days in September: 20.1 days
The month with the most sunshine days is August (25.5 days).
The months with the least sunshine days are January and February (1.7 days).
Average UV index in September
Piracaia, Brazil
- Average UV index in September: 5
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in September
Piracaia, Brazil
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Piracaia, Brazil
- Average visibility in September: 9km
The months with the highest visibility are August and September (9km).
The months with the lowest visibility are April and May (6km).
Piracaia, Brazil
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