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 experiences an average high-temperature of a still moderately hot 28.6°C (83.5°F), barely different from August's 28°C (82.4°F). An average low-temperature of 21.9°C (71.4°F) is noted during the nights in September in Mataraca, Brazil.Heat index
The heat index value for September is calculated to be a tropical 33°C (91.4°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.It is emphasized that the heat index's values are meant for shaded zones with mild winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. 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 highly critical for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
The average relative humidity in September in Mataraca, Brazil, is 77%.Rainfall
In Mataraca, in September, during 17.1 rainfall days, 20mm (0.79") of precipitation is typically accumulated. In Mataraca, during the entire year, the rain falls for 199.6 days and collects up to 460mm (18.11") of precipitation.Daylight
In Mataraca, the average length of the day in September is 12h and 4min.On the first day of September, sunrise is at 05:20 and sunset at 17:19. On the last day of the month, sunrise is at 05:05 and sunset at 17:14 -03.
Sunshine
The average sunshine in September in Mataraca is 7.5h.UV index
The months with the highest UV index are January through March, September through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 7 in September suggests the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Mataraca in September?
What is the average humidity in September in Mataraca?
How many days does it rain in September in Mataraca?
How many hours of daylight does Mataraca have in September?
When is the sunrise / sunset in September in Mataraca?
How many hours of sunshine does Mataraca have in September?
What is the month with the highest UV index in Mataraca?
What is the UV index reading in September in Mataraca?
Average temperature in September
Mataraca, Brazil
- Average high temperature in September: 28.6°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 (27.5°C).
- Average low temperature in September: 21.9°C
The month with the highest average low temperature is February (24.4°C).
The coldest month (with the lowest average low temperature) is August (21.4°C).
Average pressure in September
Mataraca, Brazil
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is August (1015.7mbar).
The month with the lowest atmospheric pressure is February (1011.6mbar).
Average wind speed in September
Mataraca, Brazil
- Average wind speed in September: 17.3km/h
The windiest month (with the highest average wind speed) is September (17.3km/h).
The calmest month (with the lowest average wind speed) is April (12.2km/h).
Average humidity in September
Mataraca, Brazil
- Average humidity in September: 77%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is November (71%).
Average rainfall in September
Mataraca, Brazil
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is July (75mm).
The driest month (with the least rainfall) is November (11mm).
Average rainfall days in September
Mataraca, Brazil
- Average rainfall days in September: 17.1 days
The month with the highest number of rainy days is July (23.8 days).
The month with the least rainy days is November (12.6 days).
Average daylight in September /
Average sunshine in September
Mataraca, Brazil
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in September: 7h and 3min
The months with the most sunshine are January, March and November (Average sunshine: 7h and 48min).
The month with the least sunshine is July (Average sunshine: 6h and 12min).
Average sunshine days in September
Mataraca, Brazil
- Average sunshine days in September: 5.8 days
The month with the most sunshine days is March (14.2 days).
The month with the least sunshine days is July (4.5 days).
Average UV index in September
Mataraca, Brazil
- Average UV index in September: 7
The months with the highest UV index are January, February, March, September, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in September
Mataraca, Brazil
- Average cloud cover in September: 45
The month with the most cloud cover is July (Cloud cover 54).
The month with the least cloud cover is March (Cloud cover 40).
Average visibility in September
Mataraca, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, August, September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (9km).
