September weather forecastRifaina, Brazil
September
Weather in September
The first month of the spring, September, is a tropical month in Rifaina, Brazil, with an average temperature fluctuating between 31.5°C (88.7°F) and 18.8°C (65.8°F).Temperature
September tends to be the warmest month, with temperatures averaging a daily high of 31.5°C (88.7°F) and a low of 18.8°C (65.8°F).Heat index
The heat index value for September is calculated to be a tropical 33°C (91.4°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
September is the least humid month in Rifaina, with an average relative humidity of 49%.Rainfall
In Rifaina, during September, the rain falls for 9.1 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, there are 219 rainfall days, and 1265mm (49.8") of precipitation is accumulated.Daylight
In Rifaina, the average length of the day in September is 11h and 59min.On the first day of September in Rifaina, sunrise is at 06:17 and sunset at 18:01. On the last day of the month, sunrise is at 05:51 and sunset at 18:07 -03.
Sunshine
The months with the most sunshine in Rifaina are August and September, with an average of 9.5h of sunshine.UV index
The months with the highest UV index are July through October, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 6 in September leads to these guidelines:
Fend off overexposure. Sun protection is vital. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rifaina, Brazil
- Average high temperature in September: 31.5°C
The warmest month (with the highest average high temperature) is September (31.5°C).
The month with the lowest average high temperature is June (24.7°C).
- Average low temperature in September: 18.8°C
The month with the highest average low temperature is October (19.9°C).
The coldest months (with the lowest average low temperature) are June and July (14.8°C).
Average pressure in September
Rifaina, Brazil
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is July (1019mbar).
The months with the lowest atmospheric pressure are November and December (1011.2mbar).
Average wind speed in September
Rifaina, Brazil
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is August (9.5km/h).
The calmest month (with the lowest average wind speed) is February (6.3km/h).
Average humidity in September
Rifaina, Brazil
- Average humidity in September: 49%
The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is September (49%).
Average rainfall in September
Rifaina, Brazil
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is January (221mm).
The driest month (with the least rainfall) is August (7mm).
Average rainfall days in September
Rifaina, Brazil
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is December (29.6 days).
The month with the least rainy days is August (3.8 days).
Average daylight in September /
Average sunshine in September
Rifaina, 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: 10h and 54min).
- Average sunshine in September: 9h and 30min
The months with the most sunshine are August and September (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).
Average sunshine days in September
Rifaina, Brazil
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is December (0.8 days).
Average UV index in September
Rifaina, Brazil
- Average UV index in September: 6
The months with the highest UV index are July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 5).
Average cloud cover in September
Rifaina, Brazil
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Rifaina, Brazil
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May and December (7km).
