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
September's arrival brings an average high-temperature of a still moderately hot 28°C (82.4°F), slightly deviating from August's 27°C (80.6°F). In Esplanada, September nights cool down to an average of 18.8°C (65.8°F).Heat index
September's heat index is calculated to be a tropical 32°C (89.6°F). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
The average relative humidity in September is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 16.7 days and typically collects 22mm (0.87") of precipitation.Daylight
In September, the average length of the day in Esplanada is 12h and 2min.On the first day of the month, sunrise is at 05:34 and sunset at 17:28. On the last day of September, in Esplanada, sunrise is at 05:15 and sunset at 17:27 -03.
Sunshine
In Esplanada, the average sunshine in September is 6.7h.UV index
In Esplanada, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 during September translates into the following guidance:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
Is it hot in Esplanada during September?
What is the average humidity in September in Esplanada?
What is the driest month in Esplanada?
How many days does it rain in September in Esplanada?
How many hours of daylight does Esplanada have in September?
When is the sunrise / sunset in September in Esplanada?
How long on average sun shines in September in Esplanada?
What is the UV index intensity in September in Esplanada?
Average temperature in September
Esplanada, Brazil
- Average high temperature in September: 28°C
The warmest month (with the highest average high temperature) is March (32.1°C).
The month with the lowest average high temperature is July (26.4°C).
- Average low temperature in September: 18.8°C
The month with the highest average low temperature is March (21.8°C).
The coldest month (with the lowest average low temperature) is August (18.1°C).
Average pressure in September
Esplanada, Brazil
- Average pressure in September: 1016.9mbar
The months with the highest atmospheric pressure are July and August (1018mbar).
The months with the lowest atmospheric pressure are March and December (1012.2mbar).
Average wind speed in September
Esplanada, Brazil
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is November (9.7km/h).
The calmest month (with the lowest average wind speed) is April (7.6km/h).
Average humidity in September
Esplanada, Brazil
- Average humidity in September: 80%
The months with the highest relative humidity are May, June and July (86%).
The months with the lowest relative humidity are January, February and December (75%).
Average rainfall in September
Esplanada, Brazil
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is April (83mm).
The driest month (with the least rainfall) is September (22mm).
Average rainfall days in September
Esplanada, Brazil
- Average rainfall days in September: 16.7 days
The month with the highest number of rainy days is May (23.3 days).
The month with the least rainy days is November (14.7 days).
Average daylight in September /
Average sunshine in September
Esplanada, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is January (Average sunshine: 9h and 36min).
The month with the least sunshine is May (Average sunshine: 5h and 24min).
Average sunshine days in September
Esplanada, Brazil
- Average sunshine days in September: 8.5 days
The month with the most sunshine days is December (12.5 days).
The month with the least sunshine days is May (5.3 days).
Average UV index in September
Esplanada, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March and November (UV index 7).
The month with the lowest UV index is June (UV index 5).
Average cloud cover in September
Esplanada, Brazil
- Average cloud cover in September: 54
The month with the most cloud cover is May (Cloud cover 65).
The months with the least cloud cover are January, February and March (Cloud cover 46).
Average visibility in September
Esplanada, Brazil
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, November and December (8km).
The months with the lowest visibility are May, June, July and August (6km).
Esplanada, Brazil
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