September weather forecast
Satuba, Brazil

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Weather in September

The first month of the spring, September, is also a moderately hot month in Satuba, Brazil, with an average temperature varying between 21.1°C (70°F) and 27.1°C (80.8°F).

Temperature

In Satuba, September's average high-temperature stands at a still warm 27.1°C (80.8°F), closely related to the preceding month. Nighttime temperature dips to a mean of 21.1°C (70°F) during September.

Heat index

During September, the heat index is calculated to be a tropical 30°C (86°F). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

In September, the average relative humidity in Satuba is 81%.

Rainfall

In Satuba, Brazil, during September, the rain falls for 21.8 days and regularly aggregates up to 37mm (1.46") of precipitation. In Satuba, during the entire year, the rain falls for 256.6 days and collects up to 686mm (27.01") of precipitation.

Daylight

In Satuba, Brazil, the average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:25 and sunset at 17:21. On the last day of September, in Satuba, sunrise is at 05:07 and sunset at 17:18 -03.

Sunshine

The average sunshine in September is 7.3h.

UV index

April through September, with an average maximum UV index of 6, are months with the lowest UV index. 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: A maximum daily UV index of 6 during September morphs into the following directions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Feb 3, 2024 | Published by: Weather Atlas | Resources

Frequently asked questions

What is the usual temperature for Satuba in September?

In Satuba, in September, the average high-temperature is 27.1°C (80.8°F), and the average low-temperature is 21.1°C (70°F). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 30°C (86°F).

What is the average humidity in September in Satuba?

The average relative humidity in September is 81%.

How much does it rain in Satuba in September?

In September, in Satuba, the rain falls for 21.8 days. Throughout September, 37mm (1.46") of precipitation is accumulated.

What is the average length of the day in September in Satuba?

In September, the average day length is 12h and 4min.

What time are sunrise and sunset in September in Satuba?

In September, on the first day of the month, sunrise is at 05:25 and sunset at 17:21. On the last day of the month, in Satuba, sunrise is at 05:07 and sunset at 17:18 -03.

How long on average sun shines in September in Satuba?

In Satuba, Brazil, the average sunshine duration in September is 7.3h.

When is the lowest UV index in Satuba?

April through September, with an average maximum UV index of 6, are months with the lowest UV index in Satuba, Brazil.

How high is the UV index in September in Satuba?

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.

Average temperature in September
Satuba, Brazil

Average temperature in September - Satuba, Brazil
  • Average high temperature in September: 27.1°C

The warmest month (with the highest average high temperature) is March (31.3°C).
The months with the lowest average high temperature are July and August (26.3°C).

  • Average low temperature in September: 21.1°C

The month with the highest average low temperature is March (24°C).
The coldest month (with the lowest average low temperature) is August (20.8°C).

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Average pressure in September
Satuba, Brazil

Average pressure in September - Satuba, Brazil
  • Average pressure in September: 1016.4mbar

The month with the highest atmospheric pressure is August (1017.2mbar).
The month with the lowest atmospheric pressure is March (1012.2mbar).

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Average wind speed in September
Satuba, Brazil

Average wind speed in September - Satuba, Brazil
  • Average wind speed in September: 12.1km/h

The windiest month (with the highest average wind speed) is November (13.4km/h).
The calmest month (with the lowest average wind speed) is May (8.9km/h).

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Average humidity in September
Satuba, Brazil

Average humidity in September - Satuba, Brazil
  • Average humidity in September: 81%

The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are March and December (74%).

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Average rainfall in September
Satuba, Brazil

Average rainfall in September - Satuba, Brazil
  • Average rainfall in September: 37mm

The wettest month (with the highest rainfall) is July (105mm).
The driest month (with the least rainfall) is November (21mm).

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Average rainfall days in September
Satuba, Brazil

Average rainfall days in September - Satuba, Brazil
  • Average rainfall days in September: 21.8 days

The month with the highest number of rainy days is July (26.5 days).
The month with the least rainy days is November (15.3 days).

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Average daylight in September /
Average sunshine in September
Satuba, Brazil

Average daylight in September / Average sunshine in September - Satuba, Brazil
  • Average daylight in September: 12h and 1min

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 36min).

  • Average sunshine in September: 7h and 2min

The month with the most sunshine is March (Average sunshine: 8h and 6min).
The month with the least sunshine is July (Average sunshine: 6h and 54min).

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Average sunshine days in September
Satuba, Brazil

Average sunshine days in September - Satuba, Brazil
  • Average sunshine days in September: 5.1 days

The month with the most sunshine days is December (7 days).
The month with the least sunshine days is June (2.3 days).

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Average UV index in September
Satuba, Brazil

Average UV index in September - Satuba, Brazil
  • Average UV index in September: 6

The months with the highest UV index are January, February, March, October, November and December (UV index 7).
The months with the lowest UV index are April, May, June, July, August and September (UV index 6).

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Average cloud cover in September
Satuba, Brazil

Average cloud cover in September - Satuba, Brazil
  • Average cloud cover in September: 47

The month with the most cloud cover is July (Cloud cover 52).
The month with the least cloud cover is March (Cloud cover 39).

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Average visibility in September
Satuba, Brazil

Average visibility in September - Satuba, Brazil
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (10km).
The months with the lowest visibility are May and July (9km).

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Satuba, Brazil

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