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
September
Weather in September
Temperature
September's advent denotes a minor fluctuation in the average high-temperature to a still warm 29.4°C (84.9°F) from August's 27.3°C (81.1°F). Manari, during September nights, observes an average temperature of 17.5°C (63.5°F).Heat index
The average heat index in September is calculated to be a tropical 33°C (91.4°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. 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. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
In September, the average relative humidity is 69%.Rainfall
The month with the least rainfall is September, when the rain falls for 6 days and typically collects 5mm (0.2") of precipitation.Daylight
In September, the average length of the day is 12h and 4min.On the first day of the month, sunrise is at 05:31 and sunset at 17:28. On the last day of September, sunrise is at 05:14 and sunset at 17:25 -03.
Sunshine
In Manari, the average sunshine in September is 8.7h.UV index
In Manari, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily UV index of 6 turns into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. 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. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Manari?
What is the average humidity in September in Manari?
What is the driest month in Manari?
How much does it rain in Manari in September?
How many hours of daylight does Manari have in September?
When is the sunrise / sunset in September in Manari?
How many hours of sunshine does Manari have in September?
What is the UV index reading in September in Manari?
Average temperature in September
Manari, Brazil
- Average high temperature in September: 29.4°C
The warmest month (with the highest average high temperature) is November (32.3°C).
The month with the lowest average high temperature is July (26.2°C).
- Average low temperature in September: 17.5°C
The month with the highest average low temperature is March (20.4°C).
The coldest month (with the lowest average low temperature) is August (16.9°C).
Average pressure in September
Manari, Brazil
- Average pressure in September: 1015.8mbar
The month with the highest atmospheric pressure is July (1016.9mbar).
The month with the lowest atmospheric pressure is November (1011.7mbar).
Average wind speed in September
Manari, Brazil
- Average wind speed in September: 17.6km/h
The windiest month (with the highest average wind speed) is October (17.7km/h).
The calmest month (with the lowest average wind speed) is April (11.9km/h).
Average humidity in September
Manari, Brazil
- Average humidity in September: 69%
The months with the highest relative humidity are May, June and July (79%).
The month with the lowest relative humidity is November (60%).
Average rainfall in September
Manari, Brazil
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is March (106mm).
The driest month (with the least rainfall) is September (5mm).
Average rainfall days in September
Manari, Brazil
- Average rainfall days in September: 6 days
The month with the highest number of rainy days is April (19.2 days).
The month with the least rainy days is September (6 days).
Average daylight in September /
Average sunshine in September
Manari, 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 36min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is November (Average sunshine: 9h and 36min).
The month with the least sunshine is July (Average sunshine: 6h and 30min).
Average sunshine days in September
Manari, Brazil
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is April (8.5 days).
Average UV index in September
Manari, Brazil
- Average UV index in September: 6
The months with the highest UV index are February, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in September
Manari, Brazil
- Average cloud cover in September: 32
The month with the most cloud cover is July (Cloud cover 53).
The month with the least cloud cover is November (Cloud cover 21).
Average visibility in September
Manari, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (8km).
