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
With the onset of September, the average high-temperature stands at a still moderately hot 26.2°C (79.2°F), closely aligned with August's 23.8°C (74.8°F). The average low-temperature, in September, in Arapeí, is a moderate 14.6°C (58.3°F).Humidity
With an average relative humidity of 75%, September is the least humid month.Rainfall
In September, in Arapeí, the rain falls for 14.6 days. Throughout September, 40mm (1.57") of precipitation is accumulated. Throughout the year, there are 234.4 rainfall days, and 1133mm (44.61") of precipitation is accumulated.Daylight
In September, the average length of the day is 11h and 59min.On the first day of the month, sunrise is at 06:07 and sunset at 17:47. On the last day of September, in Arapeí, Brazil, sunrise is at 05:38 and sunset at 17:56 -03.
Sunshine
September has the most sunshine of the year, with an average of 8.5h of sunshine.UV index
February through July, September, November and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 5 during September translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What are the temperatures in Arapeí in September?
What is the least humid month in Arapeí?
What is the average humidity in September in Arapeí?
How much does it rain in Arapeí in September?
What is the average length of the day in September in Arapeí?
What time are sunrise and sunset in September in Arapeí?
What month has the most sunshine in Arapeí?
How long on average sun shines in September in Arapeí?
What are the months with the lowest UV index in Arapeí?
What is the UV index intensity in September in Arapeí?
Average temperature in September
Arapeí, Brazil
- Average high temperature in September: 26.2°C
The warmest month (with the highest average high temperature) is February (28.3°C).
The month with the lowest average high temperature is July (22.3°C).
- Average low temperature in September: 14.6°C
The month with the highest average low temperature is January (18.4°C).
The coldest month (with the lowest average low temperature) is July (12.3°C).
Average pressure in September
Arapeí, Brazil
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is July (1020.7mbar).
The month with the lowest atmospheric pressure is December (1012.5mbar).
Average wind speed in September
Arapeí, Brazil
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is September (6.3km/h).
The calmest month (with the lowest average wind speed) is March (4.9km/h).
Average humidity in September
Arapeí, Brazil
- Average humidity in September: 75%
The month with the highest relative humidity is April (88%).
The month with the lowest relative humidity is September (75%).
Average rainfall in September
Arapeí, Brazil
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is January (194mm).
The driest month (with the least rainfall) is June (20mm).
Average rainfall days in September
Arapeí, Brazil
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is January (27.8 days).
The month with the least rainy days is August (9.8 days).
Average daylight in September /
Average sunshine in September
Arapeí, 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: 8h and 3min
The month with the most sunshine is September (Average sunshine: 8h and 30min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).
Average sunshine days in September
Arapeí, Brazil
- Average sunshine days in September: 11.7 days
The month with the most sunshine days is August (18.8 days).
The month with the least sunshine days is December (1.1 days).
Average UV index in September
Arapeí, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, August and October (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, September, November and December (UV index 5).
Average cloud cover in September
Arapeí, Brazil
- Average cloud cover in September: 35
The month with the most cloud cover is November (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Arapeí, Brazil
- Average visibility in September: 8km
The months with the highest visibility are August, September and October (8km).
The months with the lowest visibility are April and May (6km).
Arapeí, Brazil
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