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 snowfall 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
September experiences an average high-temperature of a still pleasant 22.3°C (72.1°F), barely different from August's 20.5°C (68.9°F). Três Arroios experiences an average temperature drop to a cool 11.6°C (52.9°F) during September nights.Humidity
The average relative humidity in September is 82%.Rainfall
In Três Arroios, during September, the rain falls for 13.2 days and regularly aggregates up to 78mm (3.07") of precipitation. In Três Arroios, during the entire year, the rain falls for 208.2 days and collects up to 1438mm (56.61") of precipitation.Snowfall
In Três Arroios, snow does not fall in January through June, September through December.Daylight
In Três Arroios, the average length of the day in September is 11h and 56min.On the first day of September in Três Arroios, sunrise is at 06:41 and sunset at 18:15. On the last day of the month, sunrise is at 06:07 and sunset at 18:28 -03.
Sunshine
The average sunshine in September is 8h.UV index
In Três Arroios, Brazil, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 5 in September transforms into this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What is the average September temperature in Três Arroios?
What is the average humidity in September in Três Arroios?
How much does it rain in Três Arroios in September?
When it does not snow in Três Arroios?
Does it snow in Três Arroios in September?
How many hours of daylight does Três Arroios have in September?
What time are sunrise and sunset in September in Três Arroios?
How long on average sun shines in September in Três Arroios?
What is the UV index intensity in September in Três Arroios?
Average temperature in September
Três Arroios, Brazil
- Average high temperature in September: 22.3°C
The warmest months (with the highest average high temperature) are January and December (27.3°C).
The month with the lowest average high temperature is June (17.8°C).
- Average low temperature in September: 11.6°C
The months with the highest average low temperature are January and February (16.9°C).
The coldest month (with the lowest average low temperature) is July (9.1°C).
Average pressure in September
Três Arroios, Brazil
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is July (1019.9mbar).
The month with the lowest atmospheric pressure is December (1011.4mbar).
Average wind speed in September
Três Arroios, Brazil
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is October (10km/h).
The calmest month (with the lowest average wind speed) is February (8.3km/h).
Average humidity in September
Três Arroios, Brazil
- Average humidity in September: 82%
The month with the highest relative humidity is June (88%).
The months with the lowest relative humidity are November and December (81%).
Average rainfall in September
Três Arroios, Brazil
- Average rainfall in September: 78mm
The wettest month (with the highest rainfall) is October (160mm).
The driest month (with the least rainfall) is August (77mm).
Average rainfall days in September
Três Arroios, Brazil
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is January (24.3 days).
The month with the least rainy days is August (11.9 days).
Average snowfall days in September
Três Arroios, Brazil
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are July and August (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Três Arroios, Brazil
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is November (Average sunshine: 8h and 24min).
The month with the least sunshine is June (Average sunshine: 7h and 12min).
Average sunshine days in September
Três Arroios, Brazil
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is August (17.2 days).
The month with the least sunshine days is February (4.5 days).
Average UV index in September
Três Arroios, Brazil
- Average UV index in September: 5
The months with the highest UV index are January and December (UV index 6).
The months with the lowest UV index are April, May, June and July (UV index 4).
Average cloud cover in September
Três Arroios, Brazil
- Average cloud cover in September: 38
The months with the most cloud cover are January and February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Três Arroios, Brazil
- Average visibility in September: 8km
The months with the highest visibility are April, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March and May (7km).
Três Arroios, Brazil
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