Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September welcomes an average high-temperature of a still moderately hot 29.2°C (84.6°F), not much different from the preceding month. September in Álvaro de Carvalho, marked by an average low-temperature of 16.6°C (61.9°F), indicates a large temperature drop from the daytime peak.Heat index
For September, the heat index is appraised at a hot 32°C (89.6°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly meaningful for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
The months with the lowest humidity in Álvaro de Carvalho are August and September, with an average relative humidity of 63%.Rainfall
In Álvaro de Carvalho, during September, the rain falls for 10.5 days and regularly aggregates up to 48mm (1.89") of precipitation. Throughout the year, there are 214.4 rainfall days, and 1285mm (50.59") of precipitation is accumulated.Daylight
In September, the average length of the day in Álvaro de Carvalho is 11h and 59min.On the first day of the month, sunrise is at 06:27 and sunset at 18:09. On the last day of September, in Álvaro de Carvalho, sunrise is at 05:59 and sunset at 18:17 -03.
Sunshine
In Álvaro de Carvalho, the average sunshine in September is 9.2h.UV index
April through July, September, November and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. 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
How hot is September in Álvaro de Carvalho?
What are the least humid months in Álvaro de Carvalho?
What is the average humidity in September in Álvaro de Carvalho?
How much does it rain in Álvaro de Carvalho in September?
How many hours of daylight does Álvaro de Carvalho have in September?
When is the sunrise / sunset in September in Álvaro de Carvalho?
How long on average sun shines in September in Álvaro de Carvalho?
What are the months with the lowest UV index in Álvaro de Carvalho?
How high is the UV index in September in Álvaro de Carvalho?
Average temperature in September
Álvaro de Carvalho, Brazil
- Average high temperature in September: 29.2°C
The warmest month (with the highest average high temperature) is October (29.7°C).
The month with the lowest average high temperature is June (23.3°C).
- Average low temperature in September: 16.6°C
The month with the highest average low temperature is January (20.1°C).
The coldest month (with the lowest average low temperature) is June (14°C).
Average pressure in September
Álvaro de Carvalho, Brazil
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is July (1018.5mbar).
The month with the lowest atmospheric pressure is December (1010.5mbar).
Average wind speed in September
Álvaro de Carvalho, Brazil
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is September (10.4km/h).
The calmest month (with the lowest average wind speed) is February (7.4km/h).
Average humidity in September
Álvaro de Carvalho, Brazil
- Average humidity in September: 63%
The months with the highest relative humidity are February and March (86%).
The months with the lowest relative humidity are August and September (63%).
Average rainfall in September
Álvaro de Carvalho, Brazil
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is January (233mm).
The driest month (with the least rainfall) is August (22mm).
Average rainfall days in September
Álvaro de Carvalho, Brazil
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is January (28.9 days).
The month with the least rainy days is August (5.4 days).
Average daylight in September /
Average sunshine in September
Álvaro de Carvalho, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).
Average sunshine days in September
Álvaro de Carvalho, Brazil
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is February (1.1 days).
Average UV index in September
Álvaro de Carvalho, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, February, March, August and October (UV index 6).
The months with the lowest UV index are April, May, June, July, September, November and December (UV index 5).
Average cloud cover in September
Álvaro de Carvalho, Brazil
- Average cloud cover in September: 22
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Álvaro de Carvalho, Brazil
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are March and May (7km).
