September weather forecastItabaianinha, Brazil
September
Weather in September
September, the first month of the spring in Itabaianinha, is still a warm month, with an average temperature fluctuating between 18.6°C (65.5°F) and 28.4°C (83.1°F).Temperature
Itabaianinha, Brazil, experiences a subtle adjustment in high-temperatures to a still warm 28.4°C (83.1°F) with the onset of September, maintaining near parity with August's 27.3°C (81.1°F). Itabaianinha records an average temperature drop to an enjoyable 18.6°C (65.5°F) in September.Heat index
The average heat index in September is calculated to be a tropical 33°C (91.4°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.Observations indicate that the heat index values are for shady locations with light wind. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
In Itabaianinha, the average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 17.1 days and accumulates 17mm (0.67") of precipitation.Daylight
In Itabaianinha, the average length of the day in September is 12h and 2min.On the first day of the month, sunrise is at 05:33 and sunset at 17:28. On the last day of September, sunrise is at 05:14 and sunset at 17:26 -03.
Sunshine
In Itabaianinha, Brazil, the average sunshine in September is 6.1h.UV index
In Itabaianinha, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Itabaianinha, Brazil
- Average high temperature in September: 28.4°C
The warmest month (with the highest average high temperature) is March (32.8°C).
The month with the lowest average high temperature is July (26.6°C).
- Average low temperature in September: 18.6°C
The month with the highest average low temperature is March (22.3°C).
The coldest month (with the lowest average low temperature) is August (18.1°C).
Average pressure in September
Itabaianinha, Brazil
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is August (1017.6mbar).
The months with the lowest atmospheric pressure are March and December (1011.9mbar).
Average wind speed in September
Itabaianinha, Brazil
- Average wind speed in September: 13km/h
The windiest month (with the highest average wind speed) is November (14.2km/h).
The calmest months (with the lowest average wind speed) are April and May (10.2km/h).
Average humidity in September
Itabaianinha, Brazil
- Average humidity in September: 79%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are February, March and December (72%).
Average rainfall in September
Itabaianinha, Brazil
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is May (58mm).
The driest month (with the least rainfall) is September (17mm).
Average rainfall days in September
Itabaianinha, Brazil
- Average rainfall days in September: 17.1 days
The months with the highest number of rainy days are May and July (20.2 days).
The months with the least rainy days are November and December (11.6 days).
Average daylight in September /
Average sunshine in September
Itabaianinha, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 30min).
- Average sunshine in September: 6h and 6min
The month with the most sunshine is January (Average sunshine: 8h and 54min).
The month with the least sunshine is May (Average sunshine: 5h and 6min).
Average sunshine days in September
Itabaianinha, Brazil
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is December (15.5 days).
The month with the least sunshine days is August (6.4 days).
Average UV index in September
Itabaianinha, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in September
Itabaianinha, Brazil
- Average cloud cover in September: 57
The month with the most cloud cover is July (Cloud cover 65).
The months with the least cloud cover are March and December (Cloud cover 44).
Average visibility in September
Itabaianinha, Brazil
- Average visibility in September: 7km
The months with the highest visibility are February, March, November and December (9km).
The months with the lowest visibility are May, June, July and August (6km).
