September weather forecastCaçapava, Brazil

September

Weather in September

The first month of the spring, September, is still a warm month in Caçapava, Brazil, with temperature in the range of an average low of 14.2°C (57.6°F) and an average high of 25.5°C (77.9°F).

Temperature

With the onset of September, the average high-temperature stands at a still moderately hot 25.5°C (77.9°F), closely aligned with August's 23.7°C (74.7°F). Caçapava experiences a steady low-temperature of 14.2°C (57.6°F) throughout September.

Humidity

With an average relative humidity of 75%, September is the least humid month.

Rainfall

In Caçapava, Brazil, in September, during 14.2 rainfall days, 43mm (1.69") of precipitation is typically accumulated. Throughout the year, in Caçapava, there are 223.8 rainfall days, and 1014mm (39.92") of precipitation is accumulated.

Daylight

In September, the average length of the day is 11h and 58min.
On the first day of September in Caçapava, Brazil, sunrise is at 06:12 and sunset at 17:52. On the last day of the month, sunrise is at 05:43 and sunset at 18:01 -03.

Sunshine

The month with the most sunshine in Caçapava, Brazil, is September, with an average of 8.6h of sunshine.

UV index

The months with the lowest UV index are February through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 5 suggests this advice:
Take precautions - Protection against sun damage is advised. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

During September, Caçapava experiences an average high-temperature of 25.5°C (77.9°F) and a low-temperature of 14.2°C (57.6°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in February is evaluated at 31°C (87.8°F).

The least humid month in Caçapava, Brazil, is September, with an average relative humidity of 75%.

In Caçapava, Brazil, the average relative humidity in September is 75%.

In Caçapava, in September, during 14.2 rainfall days, 43mm (1.69") of precipitation is typically accumulated.

The average day length in September in Caçapava, Brazil, is 11h and 58min.

In September, on the first day of the month, sunrise is at 06:12 and sunset at 17:52. On the last day of the month, in Caçapava, sunrise is at 05:43 and sunset at 18:01 -03.

The month with the most sunshine in Caçapava, Brazil, is September, with an average of 8.6h of sunshine.

In September, the average sunshine duration in Caçapava is 8.6h.

February through December, with an average maximum UV index of 5, are months with the lowest UV index.

In September, the average daily maximum UV index in Caçapava, Brazil, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe 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
Caçapava, Brazil

  • Average high temperature in September: 25.5°C

The warmest month (with the highest average high temperature) is February (27.3°C).
The month with the lowest average high temperature is June (21.4°C).

  • Average low temperature in September: 14.2°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 (11.8°C).

Average pressure in September
Caçapava, 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
Caçapava, 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 and April (5.7km/h).

Average humidity in September
Caçapava, Brazil

  • Average humidity in September: 75%

The months with the highest relative humidity are March and April (88%).
The month with the lowest relative humidity is September (75%).

Average rainfall in September
Caçapava, Brazil

  • Average rainfall in September: 43mm

The wettest month (with the highest rainfall) is January (195mm).
The driest month (with the least rainfall) is August (24mm).

Average rainfall days in September
Caçapava, Brazil

  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is January (27.9 days).
The month with the least rainy days is August (7.9 days).

Average daylight in September /
Average sunshine in September
Caçapava, 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 36min

The month with the most sunshine is September (Average sunshine: 8h and 36min).
The month with the least sunshine is April (Average sunshine: 7h and 18min).

Average sunshine days in September
Caçapava, Brazil

  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is August (20.4 days).
The month with the least sunshine days is December (1.9 days).

Average UV index in September
Caçapava, Brazil

  • Average UV index in September: 5

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

Average cloud cover in September
Caçapava, Brazil

  • Average cloud cover in September: 35

The months with the most cloud cover are March and April (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Caçapava, 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).