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
September's arrival brings an average high-temperature of a moderately hot 23.8°C (74.8°F), slightly deviating from August's 21.5°C (70.7°F). The average low-temperature of 13.4°C (56.1°F) is witnessed during September.Humidity
The average relative humidity in September in Passo is 78%.Rainfall
In September, the rain falls for 10.6 days. Throughout September, 62mm (2.44") of precipitation is accumulated. In Passo, during the entire year, the rain falls for 141.1 days and collects up to 970mm (38.19") of precipitation.Daylight
In Passo, the average length of the day in September is 11h and 56min.On the first day of September, sunrise is at 06:57 and sunset at 18:30. On the last day of the month, sunrise is at 06:23 and sunset at 18:44 -03.
Sunshine
In September, the average sunshine is 7.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Ensure safety - Sun damage prevention is strongly urged. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September?
How many hours of daylight does Passo have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Passo, Brazil
- Average high temperature in September: 23.8°C
The warmest month (with the highest average high temperature) is January (32.3°C).
The month with the lowest average high temperature is July (18.6°C).
- Average low temperature in September: 13.4°C
The month with the highest average low temperature is January (20.8°C).
The coldest month (with the lowest average low temperature) is July (10.2°C).
Average pressure in September
Passo, Brazil
- Average pressure in September: 1015.2mbar
The month with the highest atmospheric pressure is July (1018.5mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in September
Passo, Brazil
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is August (12.1km/h).
The calmest month (with the lowest average wind speed) is April (9.3km/h).
Average humidity in September
Passo, Brazil
- Average humidity in September: 78%
The month with the highest relative humidity is June (86%).
The months with the lowest relative humidity are January and December (69%).
Average rainfall in September
Passo, Brazil
- Average rainfall in September: 62mm
The wettest month (with the highest rainfall) is October (116mm).
The driest month (with the least rainfall) is August (42mm).
Average rainfall days in September
Passo, Brazil
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is January (14.9 days).
The month with the least rainy days is August (9.3 days).
Average daylight in September /
Average sunshine in September
Passo, Brazil
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 18min).
- Average sunshine in September: 7h and 5min
The months with the most sunshine are November and December (Average sunshine: 8h and 54min).
The month with the least sunshine is June (Average sunshine: 6h and 54min).
Average sunshine days in September
Passo, Brazil
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is August (20.7 days).
The month with the least sunshine days is February (14 days).
Average UV index in September
Passo, Brazil
- Average UV index in September: 5
The months with the highest UV index are January and December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in September
Passo, Brazil
- Average cloud cover in September: 34
The month with the most cloud cover is May (Cloud cover 43).
The month with the least cloud cover is November (Cloud cover 25).
Average visibility in September
Passo, Brazil
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, August, September, October, November and December (9km).
The months with the lowest visibility are May, June and July (8km).
