September weather forecastCabeceiras, Brazil
September
Weather in September
The first month of the spring, September, is a tropical month in Cabeceiras, Brazil, with an average temperature varying between 31.5°C (88.7°F) and 18.6°C (65.5°F).Temperature
Cabeceiras reaches its highest average temperatures in September, measuring 31.5°C (88.7°F) at the peak and 18.6°C (65.5°F) at the lowest.Heat index
September's heat index is computed to be a tropical 32°C (89.6°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
The least humid month in Cabeceiras is September, with an average relative humidity of 44%.Rainfall
In Cabeceiras, during September, the rain falls for 6.7 days and regularly aggregates up to 15mm (0.59") of precipitation. Throughout the year, in Cabeceiras, there are 216.3 rainfall days, and 1385mm (54.53") of precipitation is accumulated.Daylight
In Cabeceiras, Brazil, the average length of the day in September is 12h and 1min.On the first day of the month, sunrise is at 06:13 and sunset at 18:02. On the last day of September, in Cabeceiras, sunrise is at 05:50 and sunset at 18:04 -03.
Sunshine
The month with the most sunshine is September, with an average of 9.7h of sunshine.UV index
September is the month with the highest UV index, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 7 during September translates into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cabeceiras, Brazil
- Average high temperature in September: 31.5°C
The warmest month (with the highest average high temperature) is September (31.5°C).
The month with the lowest average high temperature is May (25.5°C).
- Average low temperature in September: 18.6°C
The month with the highest average low temperature is October (20.5°C).
The coldest month (with the lowest average low temperature) is July (14.7°C).
Average pressure in September
Cabeceiras, Brazil
- Average pressure in September: 1014.9mbar
The month with the highest atmospheric pressure is July (1018.4mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in September
Cabeceiras, Brazil
- Average wind speed in September: 8.8km/h
The windiest months (with the highest average wind speed) are August and September (8.8km/h).
The calmest month (with the lowest average wind speed) is March (5.9km/h).
Average humidity in September
Cabeceiras, Brazil
- Average humidity in September: 44%
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is September (44%).
Average rainfall in September
Cabeceiras, Brazil
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is November (249mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Cabeceiras, Brazil
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is December (29.1 days).
The month with the least rainy days is August (1.8 days).
Average daylight in September /
Average sunshine in September
Cabeceiras, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in September: 9h and 42min
The month with the most sunshine is September (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).
Average sunshine days in September
Cabeceiras, Brazil
- Average sunshine days in September: 22.1 days
The month with the most sunshine days is August (28.3 days).
The months with the least sunshine days are February and March (1.4 days).
Average UV index in September
Cabeceiras, Brazil
- Average UV index in September: 7
The month with the highest UV index is September (UV index 7).
The months with the lowest UV index are February, April, May, June, November and December (UV index 5).
Average cloud cover in September
Cabeceiras, Brazil
- Average cloud cover in September: 16
The months with the most cloud cover are March, April and November (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Cabeceiras, Brazil
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are March and April (7km).
