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
Weather in September
Temperature
The shift from August to September is characterized by an average high-temperature of a still warm 28.1°C (82.6°F), not significantly different from the 27.3°C (81.1°F) of August. An average minimum temperature of 19.5°C (67.1°F) is recorded during the month of September.Heat index
For September, the heat index is estimated at a tropical 33°C (91.4°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.Note that heat index values are valued for light wind and location in the shade. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
The average relative humidity in September is 81%.Rainfall
In Natuba, Brazil, in September, it is raining for 18.3 days, with typically 16mm (0.63") of accumulated precipitation. Throughout the year, there are 224.2 rainfall days, and 433mm (17.05") of precipitation is accumulated.Daylight
In Natuba, the average length of the day in September is 12h and 4min.On the first day of the month, sunrise is at 05:22 and sunset at 17:21. On the last day of September, in Natuba, sunrise is at 05:06 and sunset at 17:17 -03.
Sunshine
The average sunshine in September in Natuba is 6.8h.UV index
In September, the average daily maximum UV index in Natuba, Brazil, is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. 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
How hot is September in Natuba?
What is the average humidity in September in Natuba?
How much does it rain in Natuba in September?
How many hours of daylight does Natuba have in September?
What time are sunrise and sunset in September in Natuba?
How many hours of sunshine does Natuba have in September?
What is the UV index reading in September in Natuba?
Average temperature in September
Natuba, Brazil
- Average high temperature in September: 28.1°C
The warmest month (with the highest average high temperature) is March (31.3°C).
The month with the lowest average high temperature is July (26.7°C).
- Average low temperature in September: 19.5°C
The month with the highest average low temperature is March (22.5°C).
The coldest month (with the lowest average low temperature) is August (18.9°C).
Average pressure in September
Natuba, Brazil
- Average pressure in September: 1015.8mbar
The month with the highest atmospheric pressure is August (1016.5mbar).
The months with the lowest atmospheric pressure are February and March (1012.1mbar).
Average wind speed in September
Natuba, Brazil
- Average wind speed in September: 11.9km/h
The windiest months (with the highest average wind speed) are August and September (11.9km/h).
The calmest month (with the lowest average wind speed) is April (8.7km/h).
Average humidity in September
Natuba, Brazil
- Average humidity in September: 81%
The month with the highest relative humidity is July (87%).
The month with the lowest relative humidity is December (73%).
Average rainfall in September
Natuba, Brazil
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is April (68mm).
The driest month (with the least rainfall) is November (12mm).
Average rainfall days in September
Natuba, Brazil
- Average rainfall days in September: 18.3 days
The months with the highest number of rainy days are July and August (21.7 days).
The month with the least rainy days is November (14.6 days).
Average daylight in September /
Average sunshine in September
Natuba, Brazil
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is March (Average sunshine: 7h and 6min).
The month with the least sunshine is July (Average sunshine: 5h and 30min).
Average sunshine days in September
Natuba, Brazil
- Average sunshine days in September: 6.8 days
The month with the most sunshine days is December (10.1 days).
The month with the least sunshine days is August (4.7 days).
Average UV index in September
Natuba, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February and March (UV index 7).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in September
Natuba, Brazil
- Average cloud cover in September: 53
The month with the most cloud cover is July (Cloud cover 63).
The month with the least cloud cover is November (Cloud cover 48).
Average visibility in September
Natuba, Brazil
- Average visibility in September: 8km
The month with the highest visibility is December (10km).
The months with the lowest visibility are May and June (6km).
Natuba, Brazil
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