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
Weather in September
Temperature
São João do Oriente marks the arrival of September with an average high-temperature of a still moderately hot 28.9°C (84°F), hardly different from August's 27°C (80.6°F). São João do Oriente's average low-temperature in September is measured at an enjoyable 17°C (62.6°F).Heat index
For most parts of September, the heat index is calculated to be a hot 32°C (89.6°F). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
September is the least humid month in São João do Oriente, with an average relative humidity of 68%.Rainfall
In September, in São João do Oriente, the rain falls for 9.5 days. Throughout September, 26mm (1.02") of precipitation is accumulated. Throughout the year, in São João do Oriente, there are 170.4 rainfall days, and 754mm (29.69") of precipitation is accumulated.Daylight
The average length of the day in September in São João do Oriente is 12h and 0min.On the first day of September, sunrise is at 05:56 and sunset at 17:40. On the last day of the month, sunrise is at 05:30 and sunset at 17:46 -03.
Sunshine
September has the most sunshine of the year, with an average of 8.4h of sunshine.UV index
The months with the highest UV index in São João do Oriente are January through May, August through October and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 6 suggests this advice:
Shun overexposure. Protection from sun ravages is indispensable. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
Is it hot in São João do Oriente during September?
What is the least humid month in São João do Oriente?
What is the average humidity in September in São João do Oriente?
How much does it rain in São João do Oriente in September?
What is the average length of the day in September in São João do Oriente?
When is the sunrise / sunset in September in São João do Oriente?
What month has the most sunshine in São João do Oriente?
How long on average sun shines in September in São João do Oriente?
When is the highest UV index in São João do Oriente?
What is the UV index intensity in September in São João do Oriente?
Average temperature in September
São João do Oriente, 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
São João do Oriente, 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
São João do Oriente, 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
São João do Oriente, 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
São João do Oriente, 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
São João do Oriente, 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
São João do Oriente, 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
São João do Oriente, 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
São João do Oriente, 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
São João do Oriente, 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
São João do Oriente, 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).
São João do Oriente, Brazil
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