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
The onset of September manifests an average high-temperature of a still moderately hot 28.9°C (84°F), demonstrating a minor variation from the preceding month. An average minimum temperature of 17°C (62.6°F) is recorded during the month of September.Heat index
September's mean heat index is estimated at a hot 32°C (89.6°F). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
With an average relative humidity of 68%, September is the least humid month in Joanésia.Rainfall
In Joanésia, during September, the rain falls for 9.5 days and regularly aggregates up to 26mm (1.02") of precipitation. In Joanésia, during the entire year, the rain falls for 170.4 days and collects up to 754mm (29.69") of precipitation.Daylight
In September, the average length of the day is 12h and 0min.On the first day of September in Joanésia, sunrise is at 05:58 and sunset at 17:43. On the last day of the month, sunrise is at 05:32 and sunset at 17:48 -03.
Sunshine
With an average of 8.4h of sunshine, September has the most sunshine of the year.UV index
January through May, August through October and December, 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 exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 6 during September translates into these guidelines:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Joanésia during September?
What is the least humid month in Joanésia?
What is the average humidity in September in Joanésia?
How much does it rain in Joanésia in September?
How many hours of daylight does Joanésia have in September?
What time are sunrise and sunset in September in Joanésia?
What month has the most sunshine in Joanésia?
How long on average sun shines in September in Joanésia?
What is the month with the highest UV index in Joanésia?
What is the UV index intensity in September in Joanésia?
Average temperature in September
Joanésia, Brazil
- Average high temperature in September: 28.9°C
The warmest month (with the highest average high temperature) is October (29.5°C).
The months with the lowest average high temperature are June and July (25.3°C).
- Average low temperature in September: 17°C
The month with the highest average low temperature is December (19.9°C).
The coldest month (with the lowest average low temperature) is July (14.1°C).
Average pressure in September
Joanésia, Brazil
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is July (1021.1mbar).
The month with the lowest atmospheric pressure is December (1013mbar).
Average wind speed in September
Joanésia, Brazil
- Average wind speed in September: 7km/h
The windiest month (with the highest average wind speed) is October (7.1km/h).
The calmest month (with the lowest average wind speed) is May (4.3km/h).
Average humidity in September
Joanésia, Brazil
- Average humidity in September: 68%
The months with the highest relative humidity are March, April and December (85%).
The month with the lowest relative humidity is September (68%).
Average rainfall in September
Joanésia, Brazil
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is December (154mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in September
Joanésia, Brazil
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is November (21.7 days).
The month with the least rainy days is August (8.1 days).
Average daylight in September /
Average sunshine in September
Joanésia, 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: 11h and 0min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is September (Average sunshine: 8h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).
Average sunshine days in September
Joanésia, Brazil
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is August (18.8 days).
The month with the least sunshine days is November (6.5 days).
Average UV index in September
Joanésia, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, August, September, October and December (UV index 6).
The months with the lowest UV index are June, July and November (UV index 5).
Average cloud cover in September
Joanésia, Brazil
- Average cloud cover in September: 35
The month with the most cloud cover is November (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in September
Joanésia, Brazil
- Average visibility in September: 9km
The months with the highest visibility are August, September and October (9km).
The months with the lowest visibility are January, February, March, April, May and December (7km).
