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
With average high temperatures of 31°C (87.8°F) and lows of 17.5°C (63.5°F), September is the warmest month.Heat index
The average heat index in September is calculated to be a tropical 33°C (91.4°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.One should consider that heat index numbers are for shaded settings and light wind. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
The least humid month is September, with an average relative humidity of 54%.Rainfall
In Morro da Garça, during September, the rain falls for 7.7 days and regularly aggregates up to 22mm (0.87") of precipitation. In Morro da Garça, during the entire year, the rain falls for 194.1 days and collects up to 1211mm (47.68") of precipitation.Daylight
The average length of the day in September is 12h and 0min.On the first day of September, sunrise is at 06:05 and sunset at 17:51. On the last day of the month, sunrise is at 05:40 and sunset at 17:56 -03.
Sunshine
With an average of 9.7h of sunshine, September has the most sunshine of the year.UV index
The months with the highest UV index are January, March, April, June through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 6 in September translates into these instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month?
How hot is it in September?
What is the least humid month?
What is the average humidity in September?
How many days does it rain in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
What month has the most sunshine?
How long on average sun shines in September?
What are the months with the highest UV index in Morro da Garça?
What is the UV index reading in September?
Average temperature in September
Morro da Garça, Brazil
- Average high temperature in September: 31°C
The warmest month (with the highest average high temperature) is September (31°C).
The month with the lowest average high temperature is June (25.7°C).
- Average low temperature in September: 17.5°C
The months with the highest average low temperature are November and December (19.8°C).
The coldest month (with the lowest average low temperature) is July (14.3°C).
Average pressure in September
Morro da Garça, Brazil
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1012.5mbar).
Average wind speed in September
Morro da Garça, Brazil
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is September (9.3km/h).
The calmest months (with the lowest average wind speed) are March, April and May (6.3km/h).
Average humidity in September
Morro da Garça, Brazil
- Average humidity in September: 54%
The month with the highest relative humidity is March (84%).
The month with the lowest relative humidity is September (54%).
Average rainfall in September
Morro da Garça, Brazil
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is December (245mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in September
Morro da Garça, Brazil
- Average rainfall days in September: 7.7 days
The month with the highest number of rainy days is December (27.3 days).
The month with the least rainy days is August (2.6 days).
Average daylight in September /
Average sunshine in September
Morro da Garça, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 0min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is September (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 7h and 54min).
Average sunshine days in September
Morro da Garça, Brazil
- Average sunshine days in September: 20.7 days
The month with the most sunshine days is August (27.4 days).
The month with the least sunshine days is December (3.2 days).
Average UV index in September
Morro da Garça, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, March, April, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are February and May (UV index 5).
Average cloud cover in September
Morro da Garça, Brazil
- Average cloud cover in September: 17
The months with the most cloud cover are March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Morro da Garça, Brazil
- Average visibility in September: 10km
The months with the highest visibility are August and September (10km).
The months with the lowest visibility are January, February, March, April, May and December (8km).
