September weather forecastPasso Fundo, Brazil
September
Weather in September
September witnesses a climatic changeover with temperatures starting to warm up, escalating the high to an average of 21°C (69.8°F). This month experiences a decreased rainfall volume of 77mm (3.03"), marking the end of the winter rainfall in Passo Fundo. As spring progresses, visitors can revel in mild weather conditions, characterized by warming temperatures and declining precipitation. Increasing daylight hours coupled with clear visibility affords an excellent opportunity for experiencing the city's allure. September reveals the essence of Spring, presenting a beautiful melange of clear skies and cooler temperatures.Temperature
September's arrival shows an average high-temperature of an agreeable 21°C (69.8°F), hardly different from the previous month. The mean low-temperature during September nights is a cool 11.3°C (52.3°F).Humidity
In Passo Fundo, the average relative humidity in September is 85%.Rainfall
In Passo Fundo, in September, it is raining for 14 days, with typically 77mm (3.03") of accumulated precipitation. Throughout the year, in Passo Fundo, there are 171.3 rainfall days, and 1098mm (43.23") of precipitation is accumulated.Snowfall
January through June, August through December are months without snowfall.Daylight
In Passo Fundo, the average length of the day in September is 11h and 56min.On the first day of the month, sunrise is at 06:42 and sunset at 18:16. On the last day of September, sunrise is at 06:08 and sunset at 18:30 -03.
Sunshine
In September, the average sunshine in Passo Fundo, Brazil, is 7.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Passo Fundo, Brazil
- Average high temperature in September: 21°C
The warmest months (with the highest average high temperature) are January and December (26.8°C).
The month with the lowest average high temperature is July (16.8°C).
- Average low temperature in September: 11.3°C
The months with the highest average low temperature are January and February (17°C).
The coldest month (with the lowest average low temperature) is July (8.8°C).
Average pressure in September
Passo Fundo, 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 (1011.2mbar).
Average wind speed in September
Passo Fundo, Brazil
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is August (12.2km/h).
The calmest month (with the lowest average wind speed) is February (9.5km/h).
Average humidity in September
Passo Fundo, Brazil
- Average humidity in September: 85%
The month with the highest relative humidity is June (88%).
The months with the lowest relative humidity are November and December (80%).
Average rainfall in September
Passo Fundo, Brazil
- Average rainfall in September: 77mm
The wettest month (with the highest rainfall) is October (133mm).
The driest month (with the least rainfall) is February (58mm).
Average rainfall days in September
Passo Fundo, Brazil
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is January (17.6 days).
The month with the least rainy days is August (12.2 days).
Average snowfall days in September
Passo Fundo, Brazil
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is July (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Passo Fundo, Brazil
- Average daylight in September: 11h and 54min
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 24min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is November (Average sunshine: 8h and 30min).
The month with the least sunshine is June (Average sunshine: 7h and 0min).
Average sunshine days in September
Passo Fundo, Brazil
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is March (17.2 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Passo Fundo, Brazil
- Average UV index in September: 5
The months with the highest UV index are November and December (UV index 6).
The months with the lowest UV index are April, May, June, July and August (UV index 4).
Average cloud cover in September
Passo Fundo, Brazil
- Average cloud cover in September: 43
The month with the most cloud cover is May (Cloud cover 49).
The months with the least cloud cover are August and November (Cloud cover 38).
Average visibility in September
Passo Fundo, Brazil
- Average visibility in September: 8km
The months with the highest visibility are March, April, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February and May (7km).





