September weather forecastIrituia, Brazil
September
Weather in September
The first month of the spring, September, is still a hot month in Irituia, Brazil, with an average temperature ranging between max 32.5°C (90.5°F) and min 21.5°C (70.7°F).Temperature
In September, Irituia experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 32.2°C (90°F) in August to a still tropical 32.5°C (90.5°F). During the month of September, Irituia's nighttime temperature lowers to an average of 21.5°C (70.7°F).Heat index
The heat index value for September is evaluated at a blazing hot 46°C (114.8°F). Be wary: Heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.Given the heat index, its values are aligned with shaded sites and gentle winds. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
In September, the average relative humidity is 79%.Rainfall
September is the month with the least rainfall in Irituia. Rain falls for 19.4 days and accumulates 30mm (1.18") of precipitation.Daylight
The average length of the day in September is 12h and 6min.On the first day of the month, sunrise is at 06:07 and sunset at 18:12. On the last day of September, in Irituia, sunrise is at 05:55 and sunset at 18:03 -03.
Sunshine
In Irituia, the average sunshine in September is 7.6h.UV index
The months with the highest UV index are July, September through November, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Irituia, Brazil
- Average high temperature in September: 32.5°C
The warmest month (with the highest average high temperature) is November (33.6°C).
The months with the lowest average high temperature are March and April (29.8°C).
- Average low temperature in September: 21.5°C
The month with the highest average low temperature is December (22.6°C).
The coldest month (with the lowest average low temperature) is July (20.9°C).
Average pressure in September
Irituia, Brazil
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is July (1012.8mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).
Average wind speed in September
Irituia, Brazil
- Average wind speed in September: 7.3km/h
The windiest months (with the highest average wind speed) are September and November (7.3km/h).
The calmest month (with the lowest average wind speed) is April (4.8km/h).
Average humidity in September
Irituia, Brazil
- Average humidity in September: 79%
The month with the highest relative humidity is April (92%).
The month with the lowest relative humidity is November (74%).
Average rainfall in September
Irituia, Brazil
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is March (228mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in September
Irituia, Brazil
- Average rainfall days in September: 19.4 days
The month with the highest number of rainy days is March (30.3 days).
The month with the least rainy days is November (16.5 days).
Average daylight in September /
Average sunshine in September
Irituia, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 0min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is August (Average sunshine: 8h and 6min).
The month with the least sunshine is March (Average sunshine: 5h and 12min).
Average sunshine days in September
Irituia, Brazil
- Average sunshine days in September: 7.8 days
The month with the most sunshine days is November (11.7 days).
The month with the least sunshine days is April (0.3 days).
Average UV index in September
Irituia, Brazil
- Average UV index in September: 7
The months with the highest UV index are July, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, August and December (UV index 6).
Average cloud cover in September
Irituia, Brazil
- Average cloud cover in September: 53
The months with the most cloud cover are March and April (Cloud cover 76).
The month with the least cloud cover is November (Cloud cover 49).
Average visibility in September
Irituia, Brazil
- Average visibility in September: 7km
The month with the highest visibility is November (8km).
The months with the lowest visibility are February, March, April and May (5km).
