September weather forecastVelha Boipeba, Brazil

September weather for Velha Boipeba, Brazil: On the first day of September in Velha Boipeba, Brazil, sunrise is at 05:39 and sunset at 17:31. September, the first month of the spring in Velha Boipeba, is still a warm month, with an average temperature varying between 23.9°C (75°F) and 25.8°C (78.4°F).

September

Weather in September

September, the first month of the spring in Velha Boipeba, is still a warm month, with an average temperature varying between 23.9°C (75°F) and 25.8°C (78.4°F).

Temperature

September's advent denotes a minor fluctuation in the average high-temperature to a still warm 25.8°C (78.4°F) from August's 25.3°C (77.5°F). Velha Boipeba's September nights witness minimal differential from the daytime temperatures, with averages of 23.9°C (75°F).

Humidity

In Velha Boipeba, the average relative humidity in September is 76%.

Rainfall

In Velha Boipeba, in September, it is raining for 18.8 days, with typically 50mm (1.97") of accumulated precipitation. In Velha Boipeba, Brazil, during the entire year, the rain falls for 241.1 days and collects up to 1213mm (47.76") of precipitation.

Daylight

The average length of the day in September is 12h and 2min.
On the first day of September in Velha Boipeba, sunrise is at 05:39 and sunset at 17:31. On the last day of the month, sunrise is at 05:18 and sunset at 17:32 -03.

Sunshine

In Velha Boipeba, the average sunshine in September is 8.1h.

UV index

January through May, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In September, the maximum UV index of 7 suggests these recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

The average high-temperature, in September, in Velha Boipeba, is 25.8°C (78.4°F), while the average low-temperature is 23.9°C (75°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in May is evaluated at 30°C (86°F).

In Velha Boipeba, the average relative humidity in September is 76%.

In September, the rain falls for 18.8 days. Throughout September, 50mm (1.97") of precipitation is accumulated.

In Velha Boipeba, Brazil, the average day length in September is 12h and 2min.

On the first day of September in Velha Boipeba, Brazil, sunrise is at 05:39 and sunset at 17:31. On the last day of the month, sunrise is at 05:18 and sunset at 17:32 -03.

The average sunshine duration in September in Velha Boipeba, Brazil, is 8.1h.

The months with the highest UV index in Velha Boipeba are January through May, September through December, with an average maximum UV index of 7.

In September, the average daily maximum UV index in Velha Boipeba is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
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
Velha Boipeba, Brazil

  • Average high temperature in September: 25.8°C

The warmest month (with the highest average high temperature) is March (28.9°C).
The month with the lowest average high temperature is August (25.3°C).

  • Average low temperature in September: 23.9°C

The months with the highest average low temperature are February and March (26.2°C).
The coldest month (with the lowest average low temperature) is August (23.5°C).

Average pressure in September
Velha Boipeba, Brazil

  • Average pressure in September: 1017.3mbar

The months with the highest atmospheric pressure are July and August (1018.4mbar).
The month with the lowest atmospheric pressure is March (1012.4mbar).

Average wind speed in September
Velha Boipeba, Brazil

  • Average wind speed in September: 19.4km/h

The windiest month (with the highest average wind speed) is July (19.5km/h).
The calmest month (with the lowest average wind speed) is April (15.7km/h).

Average humidity in September
Velha Boipeba, Brazil

  • Average humidity in September: 76%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is February (75%).

Average rainfall in September
Velha Boipeba, Brazil

  • Average rainfall in September: 50mm

The wettest month (with the highest rainfall) is May (211mm).
The driest month (with the least rainfall) is November (49mm).

Average rainfall days in September
Velha Boipeba, Brazil

  • Average rainfall days in September: 18.8 days

The month with the highest number of rainy days is July (25.8 days).
The month with the least rainy days is November (12.7 days).

Average daylight in September /
Average sunshine in September
Velha Boipeba, Brazil

  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 18min).

  • Average sunshine in September: 8h and 6min

The month with the most sunshine is January (Average sunshine: 10h and 24min).
The month with the least sunshine is May (Average sunshine: 7h and 6min).

Average sunshine days in September
Velha Boipeba, Brazil

  • Average sunshine days in September: 7.6 days

The month with the most sunshine days is November (13.6 days).
The month with the least sunshine days is July (3.1 days).

Average UV index in September
Velha Boipeba, Brazil

  • Average UV index in September: 7

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

Average cloud cover in September
Velha Boipeba, Brazil

  • Average cloud cover in September: 38

The month with the most cloud cover is May (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 35).

Average visibility in September
Velha Boipeba, Brazil

  • Average visibility in September: 10km

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