September weather forecastSanto Anastácio, Brazil
September
Weather in September
The first month of the spring, September, is a hot month in Santo Anastácio, Brazil, with an average temperature ranging between max 30.8°C (87.4°F) and min 18.6°C (65.5°F).Temperature
The arrival of September is marked by an average high-temperature of a tropical 30.8°C (87.4°F), bearing a close resemblance to August. Santo Anastácio anticipates a considerable daily temperature fluctuation in September, with low temperatures averaging a comfortable 18.6°C (65.5°F).Heat index
For most parts of September, the heat index is calculated to be a tropical 34°C (93.2°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 58%.Rainfall
In September, in Santo Anastácio, the rain falls for 10.5 days. Throughout September, 51mm (2.01") of precipitation is accumulated. In Santo Anastácio, during the entire year, the rain falls for 190.4 days and collects up to 1184mm (46.61") of precipitation.Daylight
In Santo Anastácio, the average length of the day in September is 11h and 59min.On the first day of September, sunrise is at 06:35 and sunset at 18:17. On the last day of the month, sunrise is at 06:07 and sunset at 18:25 -03.
Sunshine
The average sunshine in September in Santo Anastácio, Brazil, is 9.1h.UV index
In September, the average daily maximum UV index in Santo Anastácio is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Santo Anastácio, Brazil
- Average high temperature in September: 30.8°C
The warmest month (with the highest average high temperature) is October (31.8°C).
The month with the lowest average high temperature is June (24.7°C).
- Average low temperature in September: 18.6°C
The month with the highest average low temperature is January (21.8°C).
The coldest months (with the lowest average low temperature) are June and July (15.6°C).
Average pressure in September
Santo Anastácio, Brazil
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is July (1017.9mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).
Average wind speed in September
Santo Anastácio, Brazil
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is August (10.7km/h).
The calmest months (with the lowest average wind speed) are February and March (7.3km/h).
Average humidity in September
Santo Anastácio, Brazil
- Average humidity in September: 58%
The month with the highest relative humidity is March (84%).
The months with the lowest relative humidity are August and September (58%).
Average rainfall in September
Santo Anastácio, Brazil
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is January (211mm).
The driest month (with the least rainfall) is July (29mm).
Average rainfall days in September
Santo Anastácio, Brazil
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is January (26.7 days).
The month with the least rainy days is August (5.8 days).
Average daylight in September /
Average sunshine in September
Santo Anastácio, 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 6min
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 30min).
Average sunshine days in September
Santo Anastácio, Brazil
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is February (3.4 days).
Average UV index in September
Santo Anastácio, Brazil
- Average UV index in September: 6
The month with the highest UV index is August (UV index 7).
The month with the lowest UV index is May (UV index 5).
Average cloud cover in September
Santo Anastácio, Brazil
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Santo Anastácio, Brazil
- Average visibility in September: 10km
The months with the highest visibility are August and September (10km).
The months with the lowest visibility are January, February, March, April and May (8km).
