September weather forecastMarilac, Brazil
September
Weather in September
The first month of the spring, September, is still a warm month in Marilac, Brazil, with an average temperature ranging between min 18.3°C (64.9°F) and max 29.5°C (85.1°F).Temperature
The initiation of September sees an average high-temperature of a still moderately hot 29.5°C (85.1°F), showing minor variations from the previous month. An average low-temperature of 18.3°C (64.9°F) is common during the nights of September.Heat index
In September, the heat index is estimated at a tropical 33°C (91.4°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.Given the heat index, its values are aligned with shaded sites and gentle winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', arises from combining readings of air temperature and relative moisture content. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. 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 are particularly relevant to children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
September is the least humid month, with an average relative humidity of 66%.Rainfall
In September, the rain falls for 7.4 days. Throughout September, 20mm (0.79") of precipitation is accumulated. Throughout the year, there are 184.4 rainfall days, and 899mm (35.39") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 0min.On the first day of the month, sunrise is at 05:55 and sunset at 17:41. On the last day of September, sunrise is at 05:30 and sunset at 17:45 -03.
Sunshine
The month with the most sunshine is September, with an average of 8.1h of sunshine.UV index
The months with the highest UV index are January through May, August through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 6 suggests this advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Marilac, Brazil
- Average high temperature in September: 29.5°C
The warmest month (with the highest average high temperature) is October (30°C).
The month with the lowest average high temperature is June (25.8°C).
- Average low temperature in September: 18.3°C
The month with the highest average low temperature is December (20.5°C).
The coldest month (with the lowest average low temperature) is July (15.8°C).
Average pressure in September
Marilac, Brazil
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is July (1021mbar).
The month with the lowest atmospheric pressure is December (1013mbar).
Average wind speed in September
Marilac, Brazil
- Average wind speed in September: 7.6km/h
The windiest month (with the highest average wind speed) is October (7.8km/h).
The calmest month (with the lowest average wind speed) is May (4.4km/h).
Average humidity in September
Marilac, Brazil
- Average humidity in September: 66%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is September (66%).
Average rainfall in September
Marilac, Brazil
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is December (185mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in September
Marilac, Brazil
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is December (23.4 days).
The month with the least rainy days is August (6.7 days).
Average daylight in September /
Average sunshine in September
Marilac, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 0min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is September (Average sunshine: 8h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 30min).
Average sunshine days in September
Marilac, Brazil
- Average sunshine days in September: 19.3 days
The month with the most sunshine days is August (21.3 days).
The month with the least sunshine days is December (5 days).
Average UV index in September
Marilac, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 6).
The months with the lowest UV index are June and July (UV index 5).
Average cloud cover in September
Marilac, Brazil
- Average cloud cover in September: 37
The month with the most cloud cover is November (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in September
Marilac, Brazil
- Average visibility in September: 10km
The month with the highest visibility is September (10km).
The months with the lowest visibility are January, February, March, April and December (7km).
