September weather forecastAssis, Brazil
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Assis, Brazil, with an average temperature varying between 16.8°C (62.2°F) and 29.2°C (84.6°F).Temperature
Assis registers an average high-temperature of a still moderately hot 29.2°C (84.6°F) with the arrival of September, showing minor deviation from the preceding month. Assis notes a substantial temperature decline from the daytime peaks throughout September, with an average nighttime temperature of 16.8°C (62.2°F).Heat index
For most parts of September, the heat index is estimated at a hot 32°C (89.6°F). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
September is the least humid month, with an average relative humidity of 62%.Rainfall
In Assis, in September, it is raining for 9 days, with typically 54mm (2.13") of accumulated precipitation. In Assis, during the entire year, the rain falls for 198.9 days and collects up to 1201mm (47.28") of precipitation.Daylight
The average length of the day in September in Assis is 11h and 59min.On the first day of the month, sunrise is at 06:31 and sunset at 18:11. On the last day of September, in Assis, sunrise is at 06:02 and sunset at 18:20 -03.
Sunshine
The average sunshine in September is 9h.UV index
The months with the highest UV index are January through March, August through November, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 6 suggests these recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Assis, Brazil
- Average high temperature in September: 29.2°C
The warmest month (with the highest average high temperature) is October (29.6°C).
The month with the lowest average high temperature is June (22.8°C).
- Average low temperature in September: 16.8°C
The months with the highest average low temperature are January and February (19.8°C).
The coldest month (with the lowest average low temperature) is June (13.8°C).
Average pressure in September
Assis, Brazil
- Average pressure in September: 1014.9mbar
The month with the highest atmospheric pressure is July (1018.7mbar).
The month with the lowest atmospheric pressure is December (1010.4mbar).
Average wind speed in September
Assis, Brazil
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is August (11.1km/h).
The calmest month (with the lowest average wind speed) is February (8km/h).
Average humidity in September
Assis, Brazil
- Average humidity in September: 62%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is September (62%).
Average rainfall in September
Assis, Brazil
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is January (215mm).
The driest month (with the least rainfall) is July (31mm).
Average rainfall days in September
Assis, Brazil
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is January (27.7 days).
The month with the least rainy days is August (5.4 days).
Average daylight in September /
Average sunshine in September
Assis, 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: 9h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in September
Assis, Brazil
- Average sunshine days in September: 19.9 days
The month with the most sunshine days is August (24.8 days).
The month with the least sunshine days is February (2.5 days).
Average UV index in September
Assis, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, August, September, October and November (UV index 6).
The month with the lowest UV index is May (UV index 4).
Average cloud cover in September
Assis, Brazil
- Average cloud cover in September: 23
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Assis, Brazil
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and May (7km).
