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, known for its average high temperature of 27.7°C (81.9°F) and an average low temperature of 14.9°C (58.8°F), is the warmest month.Heat index
Throughout September, the heat index is estimated at 29°C (84.2°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Research indicates the heat index considers values in shaded locales and with light winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. 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. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
September is the least humid month in Cristais, with an average relative humidity of 64%.Rainfall
In Cristais, in September, during 10.3 rainfall days, 43mm (1.69") of precipitation is typically accumulated. In Cristais, during the entire year, the rain falls for 228.9 days and collects up to 1400mm (55.12") of precipitation.Daylight
In September, the average length of the day in Cristais is 11h and 59min.On the first day of September, sunrise is at 06:10 and sunset at 17:53. On the last day of the month, sunrise is at 05:43 and sunset at 18:00 -03.
Sunshine
The months with the most sunshine are August and September, with an average of 9.2h of sunshine.UV index
January through July, September through 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 medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the hottest in Cristais?
What is the usual temperature for Cristais in September?
What is the least humid month in Cristais?
What is the average humidity in September in Cristais?
How much does it rain in Cristais in September?
What is the average length of the day in September in Cristais?
When is the sunrise / sunset in September in Cristais?
What is the month with the most sunshine in Cristais?
How long on average sun shines in September in Cristais?
What are the months with the lowest UV index in Cristais?
How high is the UV index in September in Cristais?
Average temperature in September
Cristais, Brazil
- Average high temperature in September: 27.7°C
The warmest month (with the highest average high temperature) is September (27.7°C).
The month with the lowest average high temperature is June (22°C).
- Average low temperature in September: 14.9°C
The month with the highest average low temperature is December (18°C).
The coldest month (with the lowest average low temperature) is July (12.1°C).
Average pressure in September
Cristais, Brazil
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is July (1020.7mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in September
Cristais, Brazil
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is September (9km/h).
The calmest months (with the lowest average wind speed) are April and May (6.8km/h).
Average humidity in September
Cristais, Brazil
- Average humidity in September: 64%
The month with the highest relative humidity is March (90%).
The month with the lowest relative humidity is September (64%).
Average rainfall in September
Cristais, Brazil
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is December (232mm).
The driest month (with the least rainfall) is August (10mm).
Average rainfall days in September
Cristais, Brazil
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is December (30.2 days).
The month with the least rainy days is August (4.4 days).
Average daylight in September /
Average sunshine in September
Cristais, 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 54min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are August and September (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in September
Cristais, Brazil
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is August (24.6 days).
The month with the least sunshine days is December (0.4 days).
Average UV index in September
Cristais, 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
Cristais, Brazil
- Average cloud cover in September: 26
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Cristais, Brazil
- Average visibility in September: 9km
The months with the highest visibility are July, August, September and October (9km).
The month with the lowest visibility is April (6km).
