September weather forecastChiapeta, Brazil

September

Weather in September

September, the first month of the spring in Chiapeta, is a moderately hot month, with temperature in the range of an average high of 23.5°C (74.3°F) and an average low of 13.1°C (55.6°F).

Temperature

The start of September sees the average high-temperature at a moderately hot 23.5°C (74.3°F), showing little difference from August's 21.4°C (70.5°F). In Chiapeta, an average nighttime temperature of 13.1°C (55.6°F) is expected during September.

Humidity

In September, the average relative humidity is 81%.

Rainfall

In Chiapeta, during September, the rain falls for 11.8 days and regularly aggregates up to 74mm (2.91") of precipitation. In Chiapeta, during the entire year, the rain falls for 165.6 days and collects up to 1213mm (47.76") of precipitation.

Daylight

In September, the average length of the day is 11h and 56min.
On the first day of September, sunrise is at 06:48 and sunset at 18:22. On the last day of the month, sunrise is at 06:15 and sunset at 18:36 -03.

Sunshine

In Chiapeta, the average sunshine in September is 7.8h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

The high-temperature during September is 23.5°C (74.3°F) and the low-temperature is 13.1°C (55.6°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in March is computed to be 33°C (91.4°F).

The average relative humidity in September is 81%.

In Chiapeta, in September, it is raining for 11.8 days, with typically 74mm (2.91") of accumulated precipitation.

In Chiapeta, the average day length in September is 11h and 56min.

In September, on the first day of the month, sunrise is at 06:48 and sunset at 18:22. On the last day of the month, sunrise is at 06:15 and sunset at 18:36 -03.

In Chiapeta, the average sunshine duration in September is 7.8h.

The average daily maximum UV index in September in Chiapeta is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Chiapeta, Brazil

  • Average high temperature in September: 23.5°C

The warmest month (with the highest average high temperature) is January (30.3°C).
The month with the lowest average high temperature is July (18.7°C).

  • Average low temperature in September: 13.1°C

The month with the highest average low temperature is January (19.5°C).
The coldest month (with the lowest average low temperature) is July (10.2°C).

Average pressure in September
Chiapeta, Brazil

  • Average pressure in September: 1015.1mbar

The month with the highest atmospheric pressure is July (1018.5mbar).
The month with the lowest atmospheric pressure is December (1009.6mbar).

Average wind speed in September
Chiapeta, Brazil

  • Average wind speed in September: 9.4km/h

The windiest month (with the highest average wind speed) is August (10km/h).
The calmest month (with the lowest average wind speed) is March (7.7km/h).

Average humidity in September
Chiapeta, Brazil

  • Average humidity in September: 81%

The months with the highest relative humidity are June and July (87%).
The months with the lowest relative humidity are November and December (74%).

Average rainfall in September
Chiapeta, Brazil

  • Average rainfall in September: 74mm

The wettest month (with the highest rainfall) is October (140mm).
The driest month (with the least rainfall) is August (63mm).

Average rainfall days in September
Chiapeta, Brazil

  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is January (17.7 days).
The month with the least rainy days is August (10.9 days).

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

  • Average daylight in September: 11h and 54min

The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).

  • Average sunshine in September: 7h and 48min

The months with the most sunshine are January and November (Average sunshine: 8h and 42min).
The month with the least sunshine is June (Average sunshine: 6h and 54min).

Average sunshine days in September
Chiapeta, Brazil

  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is August (18.5 days).
The month with the least sunshine days is February (10.8 days).

Average UV index in September
Chiapeta, Brazil

  • Average UV index in September: 5

The months with the highest UV index are January, February, March, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).

Average cloud cover in September
Chiapeta, Brazil

  • Average cloud cover in September: 36

The month with the most cloud cover is May (Cloud cover 44).
The month with the least cloud cover is November (Cloud cover 28).

Average visibility in September
Chiapeta, Brazil

  • Average visibility in September: 8km

The months with the highest visibility are November and December (9km).
The months with the lowest visibility are June and July (7km).