September weather forecastTremembé, Brazil

September

Weather in September

The first month of the spring, September, is also a moderately hot month in Tremembé, Brazil, with an average temperature ranging between min 14.3°C (57.7°F) and max 26.5°C (79.7°F).

Temperature

September registers an average high-temperature of a still moderately hot 26.5°C (79.7°F), slightly varied from August's 24.2°C (75.6°F). With the onset of night in September, Tremembé reveals a significant decrease in temperature, averaging at a refreshing 14.3°C (57.7°F).

Humidity

The least humid month in Tremembé is September, with an average relative humidity of 73%.

Rainfall

In Tremembé, in September, it is raining for 11 days, with typically 33mm (1.3") of accumulated precipitation. Throughout the year, in Tremembé, there are 196.6 rainfall days, and 835mm (32.87") of precipitation is accumulated.

Daylight

In September, the average length of the day is 11h and 58min.
On the first day of September, sunrise is at 06:11 and sunset at 17:52. On the last day of the month, sunrise is at 05:42 and sunset at 18:01 -03.

Sunshine

September has the most sunshine of the year in Tremembé, Brazil, with an average of 8.8h of sunshine.

UV index

February through September, November and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. To protect against the Sun's most potent rays, avoid direct exposure around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

Tremembé in September has an average high-temperature of 26.5°C (79.7°F) and an average low-temperature of 14.3°C (57.7°F). In February, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is estimated at 32°C (89.6°F).

September is the least humid month, with an average relative humidity of 73%.

The average relative humidity in September is 73%.

In Tremembé, in September, it is raining for 11 days, with typically 33mm (1.3") of accumulated precipitation.

In September, the average day length in Tremembé is 11h and 58min.

In September, on the first day of the month, sunrise is at 06:11 and sunset at 17:52. On the last day of the month, in Tremembé, Brazil, sunrise is at 05:42 and sunset at 18:01 -03.

The month with the most sunshine is September, with an average of 8.8h of sunshine.

In Tremembé, the average sunshine duration in September is 8.8h.

February through September, November and December, with an average maximum UV index of 5, are months with the lowest UV index in Tremembé, Brazil.

In September, the average daily maximum UV index in Tremembé, Brazil, is 5. A UV Index of 3 to 5 symbolizes a medium health risk 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Tremembé, Brazil

  • Average high temperature in September: 26.5°C

The warmest month (with the highest average high temperature) is February (27.8°C).
The month with the lowest average high temperature is June (21.9°C).

  • Average low temperature in September: 14.3°C

The month with the highest average low temperature is January (17.8°C).
The coldest month (with the lowest average low temperature) is July (11.7°C).

Average pressure in September
Tremembé, Brazil

  • Average pressure in September: 1017.5mbar

The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is December (1012.2mbar).

Average wind speed in September
Tremembé, Brazil

  • Average wind speed in September: 7.1km/h

The windiest months (with the highest average wind speed) are September and October (7.1km/h).
The calmest months (with the lowest average wind speed) are February, March and April (5.6km/h).

Average humidity in September
Tremembé, Brazil

  • Average humidity in September: 73%

The months with the highest relative humidity are March and April (87%).
The month with the lowest relative humidity is September (73%).

Average rainfall in September
Tremembé, Brazil

  • Average rainfall in September: 33mm

The wettest month (with the highest rainfall) is January (162mm).
The driest month (with the least rainfall) is August (17mm).

Average rainfall days in September
Tremembé, Brazil

  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is March (25.6 days).
The month with the least rainy days is August (5.9 days).

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

  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 42min).

  • Average sunshine in September: 8h and 48min

The month with the most sunshine is September (Average sunshine: 8h and 48min).
The month with the least sunshine is April (Average sunshine: 7h and 30min).

Average sunshine days in September
Tremembé, Brazil

  • Average sunshine days in September: 16.4 days

The month with the most sunshine days is August (23.1 days).
The month with the least sunshine days is December (3.7 days).

Average UV index in September
Tremembé, Brazil

  • Average UV index in September: 5

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

Average cloud cover in September
Tremembé, Brazil

  • Average cloud cover in September: 33

The months with the most cloud cover are March and April (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Tremembé, Brazil

  • Average visibility in September: 8km

The months with the highest visibility are July, August, September and October (8km).
The months with the lowest visibility are March, April and May (6km).