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
The shift from August to September is characterized by an average high-temperature of a still moderately hot 29.5°C (85.1°F), not significantly different from the 27.3°C (81.1°F) of August. During September in Alpercata, the average low-temperature is recorded at an enjoyable 18.3°C (64.9°F).Heat index
The heat index in September is calculated to be a hot 33°C (91.4°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Heat index's context suggests values are appropriate for shady areas and slight breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
With an average relative humidity of 66%, September is the least humid month.Rainfall
In Alpercata, during September, the rain falls for 7.4 days and regularly aggregates up to 20mm (0.79") of precipitation. Throughout the year, in Alpercata, there are 184.4 rainfall days, and 899mm (35.39") of precipitation is accumulated.Daylight
In Alpercata, the average length of the day in September is 12h and 0min.On the first day of the month, sunrise is at 05:55 and sunset at 17:40. On the last day of September, in Alpercata, sunrise is at 05:29 and sunset at 17:45 -03.
Sunshine
With an average of 8.1h of sunshine, September has the most sunshine of the year in Alpercata.UV index
January through May, August through December, with an average maximum UV index of 6, are months with the highest UV index. 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 maximum UV index of 6 during September translates into these guidelines:
Avoid overexposure. Fair-skinned individuals can burn in under 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. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Alpercata during September?
What is the least humid month in Alpercata?
What is the average humidity in September in Alpercata?
How many days does it rain in September in Alpercata?
How many hours of daylight does Alpercata have in September?
What time are sunrise and sunset in September in Alpercata?
What month has the most sunshine in Alpercata?
How many hours of sunshine does Alpercata have in September?
What are the months with the highest UV index in Alpercata?
What is the UV index reading in September in Alpercata?
Average temperature in September
Alpercata, Brazil
- Average high temperature in September: 29.5°C
The warmest month (with the highest average high temperature) is October (30°C).
The month with the lowest average high temperature is June (25.8°C).
- Average low temperature in September: 18.3°C
The month with the highest average low temperature is December (20.5°C).
The coldest month (with the lowest average low temperature) is July (15.8°C).
Average pressure in September
Alpercata, Brazil
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is July (1021mbar).
The month with the lowest atmospheric pressure is December (1013mbar).
Average wind speed in September
Alpercata, Brazil
- Average wind speed in September: 7.6km/h
The windiest month (with the highest average wind speed) is October (7.8km/h).
The calmest month (with the lowest average wind speed) is May (4.4km/h).
Average humidity in September
Alpercata, Brazil
- Average humidity in September: 66%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is September (66%).
Average rainfall in September
Alpercata, Brazil
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is December (185mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in September
Alpercata, Brazil
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is December (23.4 days).
The month with the least rainy days is August (6.7 days).
Average daylight in September /
Average sunshine in September
Alpercata, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 11h and 0min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is September (Average sunshine: 8h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 30min).
Average sunshine days in September
Alpercata, Brazil
- Average sunshine days in September: 19.3 days
The month with the most sunshine days is August (21.3 days).
The month with the least sunshine days is December (5 days).
Average UV index in September
Alpercata, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 6).
The months with the lowest UV index are June and July (UV index 5).
Average cloud cover in September
Alpercata, Brazil
- Average cloud cover in September: 37
The month with the most cloud cover is November (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in September
Alpercata, Brazil
- Average visibility in September: 10km
The month with the highest visibility is September (10km).
The months with the lowest visibility are January, February, March, April and December (7km).
