September weather forecastBrejinho, Brazil
September
Weather in September
The first month of the spring, September, is still a tropical month in Brejinho, Brazil, with an average temperature ranging between max 32.8°C (91°F) and min 20.3°C (68.5°F).Temperature
Brejinho's shift from August to September is accompanied by an average high-temperature of a still hot 32.8°C (91°F), a slight deviation from 31.7°C (89.1°F). Despite the high peak temperatures, Brejinho witnesses an average nighttime cooling to an agreeable 20.3°C (68.5°F) in September.Heat index
In September, the heat index is computed to be a sweltering 38°C (100.4°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.The metrics for the heat index are tailored for both shady environments and light winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.
Humidity
In September, the average relative humidity in Brejinho is 56%.Rainfall
The months with the least rainfall are August and September Rain falls for 1.2 days and accumulates 1mm (0.04") of rain.Daylight
The average length of the day in September is 12h and 4min.On the first day of the month, sunrise is at 05:29 and sunset at 17:28. On the last day of September, in Brejinho, Brazil, sunrise is at 05:13 and sunset at 17:23 -03.
Sunshine
September has the most sunshine of the year in Brejinho, with an average of 9.9h of sunshine.UV index
The months with the highest UV index are January through March, August through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 7 suggests this advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brejinho, Brazil
- Average high temperature in September: 32.8°C
The warmest month (with the highest average high temperature) is November (34.4°C).
The month with the lowest average high temperature is July (30.3°C).
- Average low temperature in September: 20.3°C
The month with the highest average low temperature is January (22.7°C).
The coldest months (with the lowest average low temperature) are July and August (19.3°C).
Average pressure in September
Brejinho, Brazil
- Average pressure in September: 1014.6mbar
The month with the highest atmospheric pressure is July (1015.8mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).
Average wind speed in September
Brejinho, Brazil
- Average wind speed in September: 22.4km/h
The windiest month (with the highest average wind speed) is September (22.4km/h).
The calmest months (with the lowest average wind speed) are March and April (13.1km/h).
Average humidity in September
Brejinho, Brazil
- Average humidity in September: 56%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is November (53%).
Average rainfall in September
Brejinho, Brazil
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is March (97mm).
The driest months (with the least rainfall) are August and September (1mm).
Average rainfall days in September
Brejinho, Brazil
- Average rainfall days in September: 1.2 days
The month with the highest number of rainy days is March (20.9 days).
The month with the least rainy days is September (1.2 days).
Average daylight in September /
Average sunshine in September
Brejinho, 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: 9h and 54min
The month with the most sunshine is September (Average sunshine: 9h and 54min).
The months with the least sunshine are March, April and May (Average sunshine: 8h and 54min).
Average sunshine days in September
Brejinho, Brazil
- Average sunshine days in September: 28.8 days
The month with the most sunshine days is September (28.8 days).
The month with the least sunshine days is April (8.8 days).
Average UV index in September
Brejinho, Brazil
- Average UV index in September: 7
The months with the highest UV index are January, February, March, August, September, October, November and December (UV index 7).
The months with the lowest UV index are April, May, June and July (UV index 6).
Average cloud cover in September
Brejinho, Brazil
- Average cloud cover in September: 13
The months with the most cloud cover are March and April (Cloud cover 36).
The month with the least cloud cover is September (Cloud cover 13).
Average visibility in September
Brejinho, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is April (9km).
