September weather forecastGuanacés, Brazil
September
Weather in September
September, the first month of the spring in Guanacés, is still a warm month, with an average temperature fluctuating between 24.1°C (75.4°F) and 29.8°C (85.6°F).Temperature
The transition into September marks the average high-temperature at a still warm 29.8°C (85.6°F), identical to August. Guanacés, in September, experiences an average temperature of 24.1°C (75.4°F) at night.Heat index
For September, the heat index is evaluated at a very hot 35°C (95°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.
Humidity
September is the least humid month in Guanacés, with an average relative humidity of 71%.Rainfall
September and October are months with the least rain in Guanacés when the rain falls for 5.8 days and typically aggregates up to 5mm (0.2") of rain.Daylight
In September, the average length of the day in Guanacés is 12h and 5min.On the first day of the month, sunrise is at 05:32 and sunset at 17:34. On the last day of September, in Guanacés, sunrise is at 05:18 and sunset at 17:27 -03.
Sunshine
In Guanacés, the average sunshine in September is 9h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 7 during September translates into the following directions:
Shield from overexposure. Defense against sun-related harm is required. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Guanacés, Brazil
- Average high temperature in September: 29.8°C
The warmest months (with the highest average high temperature) are October and November (30.1°C).
The month with the lowest average high temperature is July (29°C).
- Average low temperature in September: 24.1°C
The months with the highest average low temperature are January, March and December (25.8°C).
The coldest month (with the lowest average low temperature) is August (23.5°C).
Average pressure in September
Guanacés, Brazil
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is July (1013.9mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in September
Guanacés, Brazil
- Average wind speed in September: 26.2km/h
The windiest month (with the highest average wind speed) is September (26.2km/h).
The calmest month (with the lowest average wind speed) is April (15.7km/h).
Average humidity in September
Guanacés, Brazil
- Average humidity in September: 71%
The months with the highest relative humidity are April and May (79%).
The month with the lowest relative humidity is September (71%).
Average rainfall in September
Guanacés, Brazil
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is April (143mm).
The driest months (with the least rainfall) are September and October (5mm).
Average rainfall days in September
Guanacés, Brazil
- Average rainfall days in September: 5.8 days
The month with the highest number of rainy days is April (23.9 days).
The month with the least rainy days is September (5.8 days).
Average daylight in September /
Average sunshine in September
Guanacés, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The months with the least sunshine are January and December (Average sunshine: 7h and 54min).
Average sunshine days in September
Guanacés, Brazil
- Average sunshine days in September: 20.3 days
The month with the most sunshine days is September (20.3 days).
The month with the least sunshine days is April (5.2 days).
Average UV index in September
Guanacés, Brazil
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Guanacés, Brazil
- Average cloud cover in September: 22
The month with the most cloud cover is April (Cloud cover 40).
The months with the least cloud cover are August and September (Cloud cover 22).
Average visibility in September
Guanacés, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
