September weather forecast
Mongaguá, Brazil

September

Weather in September

September, the first month of the spring in Mongaguá, is still a pleasant month, with an average temperature ranging between max 22.5°C (72.5°F) and min 17.5°C (63.5°F).

Temperature

Mongaguá's weather in September displays an average high-temperature of a still agreeable 22.5°C (72.5°F), showing minor disparity from August's 21.6°C (70.9°F). Mongaguá's nighttime temperature in September shows a minor descent, with a steady average of 17.5°C (63.5°F).

Humidity

The average relative humidity in September in Mongaguá is 83%.

Rainfall

In Mongaguá, Brazil, in September, during 13.5 rainfall days, 47mm (1.85") of precipitation is typically accumulated. In Mongaguá, during the entire year, the rain falls for 205.3 days and collects up to 750mm (29.53") of precipitation.

Daylight

In September, the average length of the day is 11h and 58min.
On the first day of the month, sunrise is at 06:17 and sunset at 17:55. On the last day of September, sunrise is at 05:47 and sunset at 18:05 -03.

Sunshine

In September, the average sunshine is 7.1h.

UV index

April, May, July through November, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

What is the usual temperature for Mongaguá in September?
In September, in Mongaguá, the average high-temperature is 22.5°C (72.5°F), and the average low-temperature is 17.5°C (63.5°F). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in February is appraised at 32°C (89.6°F).
What is the average humidity in September in Mongaguá?
The average relative humidity in September is 83%.
How much does it rain in Mongaguá in September?
In Mongaguá, Brazil, in September, it is raining for 13.5 days, with typically 47mm (1.85") of accumulated precipitation.
What is the average length of the day in September in Mongaguá?
In Mongaguá, the average day length in September is 11h and 58min.
When is the sunrise / sunset in September in Mongaguá?
On the first day of September in Mongaguá, sunrise is at 06:17 and sunset at 17:55. On the last day of the month, sunrise is at 05:47 and sunset at 18:05 -03.
How many hours of sunshine does Mongaguá have in September?
In September, the average sunshine duration is 7.1h.
What are the months with the lowest UV index in Mongaguá?
April, May, July through November, with an average maximum UV index of 5, are months with the lowest UV index in Mongaguá.
What is the UV index reading in September in Mongaguá?
The average daily maximum UV index in September in Mongaguá, Brazil, is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Mongaguá, Brazil
Average temperature in September
Mongaguá, Brazil
  • Average high temperature in September: 22.5°C

The warmest month (with the highest average high temperature) is February (27.6°C).
The month with the lowest average high temperature is July (21.4°C).

  • Average low temperature in September: 17.5°C

The months with the highest average low temperature are January and February (22.5°C).
The coldest month (with the lowest average low temperature) is August (16.3°C).

Average pressure in September - Mongaguá, Brazil
Average pressure in September
Mongaguá, Brazil
  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1011.5mbar).

Average wind speed in September - Mongaguá, Brazil
Average wind speed in September
Mongaguá, Brazil
  • Average wind speed in September: 10.6km/h

The windiest month (with the highest average wind speed) is November (11.2km/h).
The calmest month (with the lowest average wind speed) is February (9.4km/h).

Average humidity in September - Mongaguá, Brazil
Average humidity in September
Mongaguá, Brazil
  • Average humidity in September: 83%

The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is August (81%).

Average rainfall in September - Mongaguá, Brazil
Average rainfall in September
Mongaguá, Brazil
  • Average rainfall in September: 47mm

The wettest month (with the highest rainfall) is January (112mm).
The driest month (with the least rainfall) is August (35mm).

Average rainfall days in September - Mongaguá, Brazil
Average rainfall days in September
Mongaguá, Brazil
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is January (23.7 days).
The month with the least rainy days is August (10.4 days).

Average daylight in September / Average sunshine in September - Mongaguá, Brazil
Average daylight in September /
Average sunshine in September
Mongaguá, Brazil
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).

  • Average sunshine in September: 7h and 1min

The months with the most sunshine are February and April (Average sunshine: 7h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 30min).

Average sunshine days in September - Mongaguá, Brazil
Average sunshine days in September
Mongaguá, Brazil
  • Average sunshine days in September: 12 days

The month with the most sunshine days is August (18.1 days).
The month with the least sunshine days is February (4 days).

Average UV index in September - Mongaguá, Brazil
Average UV index in September
Mongaguá, Brazil
  • Average UV index in September: 5

The months with the highest UV index are January, February, March, June and December (UV index 6).
The months with the lowest UV index are April, May, July, August, September, October and November (UV index 5).

Average cloud cover in September - Mongaguá, Brazil
Average cloud cover in September
Mongaguá, Brazil
  • Average cloud cover in September: 45

The month with the most cloud cover is November (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in September - Mongaguá, Brazil
Average visibility in September
Mongaguá, Brazil
  • Average visibility in September: 9km

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

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