September weather forecastBoca da Mata, Brazil

September

Weather in September

September, the first month of the spring in Boca da Mata, is still a warm month, with temperature in the range of an average high of 27.1°C (80.8°F) and an average low of 19.6°C (67.3°F).

Temperature

The average high-temperature in September, at a still warm 27.1°C (80.8°F), reveals a modest deviation from August's 26.1°C (79°F). September in Boca da Mata sees the temperature falling to a mean low of 19.6°C (67.3°F).

Heat index

The heat index in September is estimated at a hot 30°C (86°F). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', blends air temperature and moisture content to represent the felt temperature to humans. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. 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

In September, the average relative humidity in Boca da Mata is 83%.

Rainfall

In Boca da Mata, in September, during 20.8 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In Boca da Mata, during the entire year, the rain falls for 189 days and collects up to 375mm (14.76") of precipitation.

Daylight

In September, the average length of the day is 12h and 3min.
On the first day of September in Boca da Mata, sunrise is at 05:26 and sunset at 17:22. On the last day of the month, sunrise is at 05:09 and sunset at 17:20 -03.

Sunshine

In September, the average sunshine is 7.3h.

UV index

In Boca da Mata, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A daily maximum UV index of 6 in September translates into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

September temperatures in Boca da Mata, Brazil, vary between a high-temperature of 27.1°C (80.8°F) and a low-temperature of 19.6°C (67.3°F). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 30°C (86°F).

The average relative humidity in September in Boca da Mata is 83%.

In Boca da Mata, during September, the rain falls for 20.8 days and regularly aggregates up to 29mm (1.14") of precipitation.

The average day length in September is 12h and 3min.

In September, on the first day of the month, sunrise is at 05:26 and sunset at 17:22. On the last day of the month, sunrise is at 05:09 and sunset at 17:20 -03.

The average sunshine duration in September in Boca da Mata, Brazil, is 7.3h.

In Boca da Mata, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Boca da Mata, Brazil

  • Average high temperature in September: 27.1°C

The warmest month (with the highest average high temperature) is March (32°C).
The month with the lowest average high temperature is July (25.8°C).

  • Average low temperature in September: 19.6°C

The month with the highest average low temperature is March (22.8°C).
The coldest month (with the lowest average low temperature) is August (19.3°C).

Average pressure in September
Boca da Mata, Brazil

  • Average pressure in September: 1016.5mbar

The month with the highest atmospheric pressure is August (1017.3mbar).
The month with the lowest atmospheric pressure is March (1012.2mbar).

Average wind speed in September
Boca da Mata, Brazil

  • Average wind speed in September: 12km/h

The windiest month (with the highest average wind speed) is November (14.2km/h).
The calmest month (with the lowest average wind speed) is May (8.7km/h).

Average humidity in September
Boca da Mata, Brazil

  • Average humidity in September: 83%

The month with the highest relative humidity is July (87%).
The month with the lowest relative humidity is December (73%).

Average rainfall in September
Boca da Mata, Brazil

  • Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is July (66mm).
The driest month (with the least rainfall) is November (11mm).

Average rainfall days in September
Boca da Mata, Brazil

  • Average rainfall days in September: 20.8 days

The month with the highest number of rainy days is August (24.4 days).
The month with the least rainy days is December (9.9 days).

Average daylight in September /
Average sunshine in September
Boca da Mata, Brazil

  • Average daylight in September: 12h and 6min

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 18min

The month with the most sunshine is December (Average sunshine: 8h and 12min).
The month with the least sunshine is July (Average sunshine: 6h and 18min).

Average sunshine days in September
Boca da Mata, Brazil

  • Average sunshine days in September: 5.1 days

The month with the most sunshine days is March (18.1 days).
The month with the least sunshine days is August (3.1 days).

Average UV index in September
Boca da Mata, Brazil

  • Average UV index in September: 6

The months with the highest UV index are January, February, March, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).

Average cloud cover in September
Boca da Mata, Brazil

  • Average cloud cover in September: 48

The month with the most cloud cover is July (Cloud cover 57).
The months with the least cloud cover are November and December (Cloud cover 38).

Average visibility in September
Boca da Mata, Brazil

  • Average visibility in September: 8km

The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are May and June (7km).