September weather forecastIbiracatu, Brazil
September
Weather in September
The first month of the spring, September, is still a tropical month in Ibiracatu, Brazil, with an average temperature ranging between max 32.9°C (91.2°F) and min 18.7°C (65.7°F).Temperature
September is the month when Ibiracatu sees the highest average temperatures, with a high of 32.9°C (91.2°F) and a low of 18.7°C (65.7°F).Heat index
In September, the average heat index is appraised at a very hot 35°C (95°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.Be informed that the heat index values are oriented around shady conditions and gentle breezes. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for 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.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
September is the least humid month in Ibiracatu, with an average relative humidity of 46%.Rainfall
In Ibiracatu, during September, the rain falls for 3.1 days and regularly aggregates up to 6mm (0.24") of precipitation. In Ibiracatu, during the entire year, the rain falls for 145.3 days and collects up to 689mm (27.13") of precipitation.Daylight
In September, the average length of the day is 12h and 1min.On the first day of the month, sunrise is at 06:01 and sunset at 17:51. On the last day of September, in Ibiracatu, Brazil, sunrise is at 05:39 and sunset at 17:53 -03.
Sunshine
The month with the most sunshine in Ibiracatu is September, with an average of 9.8h of sunshine.UV index
August and September, with an average maximum UV index of 7, are months with the highest UV index in Ibiracatu, Brazil. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: During September, 7 as the daily maximum UV index converts into the following advice:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ibiracatu, Brazil
- Average high temperature in September: 32.9°C
The warmest month (with the highest average high temperature) is September (32.9°C).
The month with the lowest average high temperature is June (27.9°C).
- Average low temperature in September: 18.7°C
The month with the highest average low temperature is October (20.5°C).
The coldest month (with the lowest average low temperature) is July (15.8°C).
Average pressure in September
Ibiracatu, Brazil
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is July (1018.4mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).
Average wind speed in September
Ibiracatu, Brazil
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is September (9.7km/h).
The calmest month (with the lowest average wind speed) is March (6km/h).
Average humidity in September
Ibiracatu, Brazil
- Average humidity in September: 46%
The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is September (46%).
Average rainfall in September
Ibiracatu, Brazil
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is December (120mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Ibiracatu, Brazil
- Average rainfall days in September: 3.1 days
The month with the highest number of rainy days is November (21.7 days).
The month with the least rainy days is July (1.4 days).
Average daylight in September /
Average sunshine in September
Ibiracatu, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is September (Average sunshine: 9h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).
Average sunshine days in September
Ibiracatu, Brazil
- Average sunshine days in September: 26.4 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is November (7 days).
Average UV index in September
Ibiracatu, Brazil
- Average UV index in September: 7
The months with the highest UV index are August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, October, November and December (UV index 6).
Average cloud cover in September
Ibiracatu, Brazil
- Average cloud cover in September: 14
The month with the most cloud cover is November (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in September
Ibiracatu, Brazil
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (8km).





