September weather forecastPassos, Brazil
September
Weather in September
The first month of the spring, September, is still a warm month in Passos, Brazil, with an average temperature varying between 15.3°C (59.5°F) and 28.5°C (83.3°F).Temperature
During the warmest month, September, temperatures average a high of 28.5°C (83.3°F) and a low of 15.3°C (59.5°F).Heat index
Throughout September, the heat index is calculated to be a tropical 30°C (86°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.Heat index specifics point out values are for conditions of shade and a slight breeze. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
The least humid month is September, with an average relative humidity of 61%.Rainfall
In September, the rain falls for 10 days. Throughout September, 50mm (1.97") of precipitation is accumulated. In Passos, during the entire year, the rain falls for 233 days and collects up to 1446mm (56.93") of precipitation.Daylight
In September, the average length of the day in Passos is 11h and 59min.On the first day of the month, sunrise is at 06:14 and sunset at 17:57. On the last day of September, in Passos, sunrise is at 05:47 and sunset at 18:04 -03.
Sunshine
The month with the most sunshine is September, with an average of 9.4h of sunshine.UV index
The months with the lowest UV index in Passos are January through July, September through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Passos, Brazil
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is September (28.5°C).
The month with the lowest average high temperature is June (22.3°C).
- Average low temperature in September: 15.3°C
The month with the highest average low temperature is December (18.1°C).
The coldest month (with the lowest average low temperature) is July (12.2°C).
Average pressure in September
Passos, Brazil
- Average pressure in September: 1016.3mbar
The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1012.1mbar).
Average wind speed in September
Passos, Brazil
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is September (8.4km/h).
The calmest month (with the lowest average wind speed) is February (6.2km/h).
Average humidity in September
Passos, Brazil
- Average humidity in September: 61%
The months with the highest relative humidity are March and April (89%).
The month with the lowest relative humidity is September (61%).
Average rainfall in September
Passos, Brazil
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is January (249mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in September
Passos, Brazil
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is December (30.7 days).
The month with the least rainy days is August (4.7 days).
Average daylight in September /
Average sunshine in September
Passos, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is September (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).
Average sunshine days in September
Passos, Brazil
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is August (25.1 days).
The month with the least sunshine days is December (0.3 days).
Average UV index in September
Passos, Brazil
- Average UV index in September: 5
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, September, October, November and December (UV index 5).
Average cloud cover in September
Passos, Brazil
- Average cloud cover in September: 22
The months with the most cloud cover are January and March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Passos, Brazil
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are April and May (6km).
