September weather forecastSerrania, Brazil
September
Weather in September
The first month of the spring, September, is still a warm month in Serrania, Brazil, with an average temperature varying between 27.5°C (81.5°F) and 14.4°C (57.9°F).Temperature
August's transformation into September witnesses an average high-temperature of a still warm 27.5°C (81.5°F), noting a minor change from the preceding month. In Serrania, the September nights descend to a significantly cooler average of 14.4°C (57.9°F) compared to daytime highs.Heat index
The average heat index in September is evaluated at 29°C (84.2°F). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.For clarity, heat index numbers account for light winds and areas under shade. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
The least humid month is September, with an average relative humidity of 66%.Rainfall
In Serrania, in September, during 9.6 rainfall days, 45mm (1.77") of precipitation is typically accumulated. In Serrania, during the entire year, the rain falls for 213.8 days and collects up to 1252mm (49.29") of precipitation.Daylight
In September, the average length of the day is 11h and 59min.On the first day of September, sunrise is at 06:12 and sunset at 17:55. On the last day of the month, sunrise is at 05:45 and sunset at 18:02 -03.
Sunshine
August and September, with an average of 9.1h of sunshine, are months with the most sunshine in Serrania.UV index
January through July, September through December, with an average maximum UV index of 5, are months with the lowest UV index in Serrania. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Serrania, Brazil
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is October (27.6°C).
The month with the lowest average high temperature is June (21.8°C).
- Average low temperature in September: 14.4°C
The month with the highest average low temperature is December (17.9°C).
The coldest month (with the lowest average low temperature) is July (11.3°C).
Average pressure in September
Serrania, Brazil
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is December (1012.7mbar).
Average wind speed in September
Serrania, Brazil
- Average wind speed in September: 7.7km/h
The windiest months (with the highest average wind speed) are September and October (7.7km/h).
The calmest month (with the lowest average wind speed) is April (5.9km/h).
Average humidity in September
Serrania, Brazil
- Average humidity in September: 66%
The months with the highest relative humidity are January, March and April (89%).
The month with the lowest relative humidity is September (66%).
Average rainfall in September
Serrania, Brazil
- Average rainfall in September: 45mm
The wettest month (with the highest rainfall) is January (240mm).
The driest month (with the least rainfall) is July (13mm).
Average rainfall days in September
Serrania, Brazil
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is December (28.9 days).
The month with the least rainy days is August (5.2 days).
Average daylight in September /
Average sunshine in September
Serrania, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 9h and 6min
The months with the most sunshine are August and September (Average sunshine: 9h and 6min).
The months with the least sunshine are January and December (Average sunshine: 6h and 48min).
Average sunshine days in September
Serrania, Brazil
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is December (1.1 days).
Average UV index in September
Serrania, Brazil
- Average UV index in September: 5
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, September, October, November and December (UV index 5).
Average cloud cover in September
Serrania, Brazil
- Average cloud cover in September: 26
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Serrania, Brazil
- Average visibility in September: 9km
The months with the highest visibility are August and September (9km).
The months with the lowest visibility are January, March, April and May (6km).
