September weather forecastFlorestal, Brazil
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Florestal, Brazil, with temperature in the range of an average high of 28.6°C (83.5°F) and an average low of 15.5°C (59.9°F).Temperature
Florestal's warmest weather arrives in September, when temperatures average a high of 28.6°C (83.5°F) and a low of 15.5°C (59.9°F).Heat index
For most parts of September, the heat index is appraised at a tropical 31°C (87.8°F). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
The least humid month is September, with an average relative humidity of 63%.Rainfall
In September, in Florestal, the rain falls for 10.5 days. Throughout September, 35mm (1.38") of precipitation is accumulated. In Florestal, during the entire year, the rain falls for 229.1 days and collects up to 1434mm (56.46") of precipitation.Daylight
In September, the average length of the day in Florestal is 11h and 59min.On the first day of the month, sunrise is at 06:05 and sunset at 17:49. On the last day of September, in Florestal, sunrise is at 05:39 and sunset at 17:55 -03.
Sunshine
July through September, with an average of 9.3h of sunshine, are months with the most sunshine in Florestal.UV index
January, August through October, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 6 during September translates into the following guidance:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Florestal, Brazil
- Average high temperature in September: 28.6°C
The warmest month (with the highest average high temperature) is September (28.6°C).
The month with the lowest average high temperature is June (23°C).
- Average low temperature in September: 15.5°C
The month with the highest average low temperature is December (18.5°C).
The coldest month (with the lowest average low temperature) is July (13°C).
Average pressure in September
Florestal, Brazil
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is December (1012.8mbar).
Average wind speed in September
Florestal, Brazil
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is September (9.3km/h).
The calmest month (with the lowest average wind speed) is March (6.5km/h).
Average humidity in September
Florestal, Brazil
- Average humidity in September: 63%
The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is September (63%).
Average rainfall in September
Florestal, Brazil
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is December (243mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in September
Florestal, Brazil
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is December (29.8 days).
The month with the least rainy days is August (5.3 days).
Average daylight in September /
Average sunshine in September
Florestal, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in September: 9h and 18min
The months with the most sunshine are July, August and September (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Florestal, Brazil
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is August (24 days).
The month with the least sunshine days is December (0.9 days).
Average UV index in September
Florestal, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, August, September and October (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, November and December (UV index 5).
Average cloud cover in September
Florestal, Brazil
- Average cloud cover in September: 23
The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Florestal, Brazil
- Average visibility in September: 9km
The months with the highest visibility are July, August, September and October (9km).
The month with the lowest visibility is April (6km).





