September weather forecastSerraria, Brazil
September
Weather in September
September, the first month of the spring in Serraria, is still a warm month, with an average temperature fluctuating between 19.8°C (67.6°F) and 29.5°C (85.1°F).Temperature
Serraria marks the start of September with an average high-temperature of a still warm 29.5°C (85.1°F), hinting at a slight fluctuation from August's 28.5°C (83.3°F). Throughout the month of September, Serraria observes an average nighttime temperature of 19.8°C (67.6°F).Heat index
The heat index in September is calculated to be a fiery hot 36°C (96.8°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.Heat index details are generally centered around shaded locations and a mild breeze. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. 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 for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
In Serraria, the average relative humidity in September is 78%.Rainfall
In Serraria, Brazil, during September, the rain falls for 15.2 days and regularly aggregates up to 14mm (0.55") of precipitation. Throughout the year, in Serraria, Brazil, there are 205.7 rainfall days, and 444mm (17.48") of precipitation is accumulated.Daylight
In September, the average length of the day in Serraria is 12h and 4min.On the first day of September in Serraria, sunrise is at 05:22 and sunset at 17:21. On the last day of the month, sunrise is at 05:07 and sunset at 17:17 -03.
Sunshine
In Serraria, Brazil, the average sunshine in September is 6.3h.UV index
The months with the lowest UV index in Serraria are March through September, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 6 in September translates into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Serraria, Brazil
- Average high temperature in September: 29.5°C
The warmest month (with the highest average high temperature) is March (32°C).
The month with the lowest average high temperature is July (27.6°C).
- Average low temperature in September: 19.8°C
The month with the highest average low temperature is February (23.1°C).
The coldest month (with the lowest average low temperature) is August (19.2°C).
Average pressure in September
Serraria, Brazil
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is August (1015.8mbar).
The month with the lowest atmospheric pressure is February (1011.6mbar).
Average wind speed in September
Serraria, Brazil
- Average wind speed in September: 15.4km/h
The windiest month (with the highest average wind speed) is September (15.4km/h).
The calmest month (with the lowest average wind speed) is April (11.1km/h).
Average humidity in September
Serraria, Brazil
- Average humidity in September: 78%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is November (71%).
Average rainfall in September
Serraria, Brazil
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is April (72mm).
The driest month (with the least rainfall) is November (8mm).
Average rainfall days in September
Serraria, Brazil
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is July (24.2 days).
The month with the least rainy days is November (11.5 days).
Average daylight in September /
Average sunshine in September
Serraria, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in September: 6h and 18min
The month with the most sunshine is March (Average sunshine: 6h and 42min).
The month with the least sunshine is July (Average sunshine: 5h and 6min).
Average sunshine days in September
Serraria, Brazil
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is July (3.8 days).
Average UV index in September
Serraria, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February and October (UV index 7).
The months with the lowest UV index are March, April, May, June, July, August, September, November and December (UV index 6).
Average cloud cover in September
Serraria, Brazil
- Average cloud cover in September: 53
The month with the most cloud cover is July (Cloud cover 63).
The month with the least cloud cover is November (Cloud cover 48).
Average visibility in September
Serraria, Brazil
- Average visibility in September: 8km
The months with the highest visibility are November and December (10km).
The months with the lowest visibility are May and June (7km).





