September weather forecastAliança do Tocantins, Brazil

September

Weather in September

September, the first month of the spring in Aliança do Tocantins, is also a sweltering month, with an average temperature varying between 23.9°C (75°F) and 36.7°C (98.1°F).

Temperature

Aliança do Tocantins's September weather, marked by an average high temperature of 36.7°C (98.1°F) and an average low temperature of 23.9°C (75°F), is the warmest in the year.

Humidity

The least humid month is September, with an average relative humidity of 34%.

Rainfall

January through June, September through December are months with rainfall in Aliança do Tocantins. September is the first month it rains in Aliança do Tocantins. Throughout September, in the average 6.1 rainfall days, it receives 12mm (0.47") of precipitation. In Aliança do Tocantins, during the entire year, the rain falls for 209.6 days and collects up to 1250mm (49.21") of precipitation.

Daylight

In Aliança do Tocantins, Brazil, the average length of the day in September is 12h and 3min.
On the first day of September in Aliança do Tocantins, sunrise is at 06:18 and sunset at 18:12. On the last day of the month, sunrise is at 05:59 and sunset at 18:11 -03.

Sunshine

In September, the average sunshine is 9.7h.

UV index

The months with the highest UV index are August and September, with an average maximum UV index of 8. A UV Index estimate of 8 to 10 represents a very high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a regular UV index of 8 translates into these guidelines:
Take special precautions, as unprotected skin can be damaged and can burn quickly. 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. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

Aliança do Tocantins reaches its average highest temperatures in September, measuring 36.7°C (98.1°F) at the peak and 23.9°C (75°F) at the lowest.

In Aliança do Tocantins, in September, the average high-temperature is 36.7°C (98.1°F), and the average low-temperature is 23.9°C (75°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is estimated at 34°C (93.2°F).

September is the least humid month, with an average relative humidity of 34%.

The average relative humidity in September is 34%.

September is the first month it rains. Throughout September, in the average 6.1 rainfall days, it receives 12mm (0.47") of precipitation.

In September, the average day length in Aliança do Tocantins is 12h and 3min.

On the first day of September, sunrise is at 06:18 and sunset at 18:12. On the last day of the month, sunrise is at 05:59 and sunset at 18:11 -03.

The average sunshine duration in September in Aliança do Tocantins, Brazil, is 9.7h.

August and September, with an average maximum UV index of 8, are months with the highest UV index in Aliança do Tocantins.

In Aliança do Tocantins, the average daily maximum UV index in September is 8. A UV Index value of 8 to 10 symbolizes a very high health threat 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Aliança do Tocantins, Brazil

  • Average high temperature in September: 36.7°C

The warmest month (with the highest average high temperature) is September (36.7°C).
The month with the lowest average high temperature is February (29.2°C).

  • Average low temperature in September: 23.9°C

The month with the highest average low temperature is September (23.9°C).
The coldest month (with the lowest average low temperature) is July (19.8°C).

Average pressure in September
Aliança do Tocantins, Brazil

  • Average pressure in September: 1011mbar

The months with the highest atmospheric pressure are June and July (1014.4mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).

Average wind speed in September
Aliança do Tocantins, Brazil

  • Average wind speed in September: 8.8km/h

The windiest month (with the highest average wind speed) is July (9.6km/h).
The calmest month (with the lowest average wind speed) is March (5km/h).

Average humidity in September
Aliança do Tocantins, Brazil

  • Average humidity in September: 34%

The month with the highest relative humidity is March (86%).
The month with the lowest relative humidity is September (34%).

Average rainfall in September
Aliança do Tocantins, Brazil

  • Average rainfall in September: 12mm

The wettest month (with the highest rainfall) is March (206mm).
The driest months (with the least rainfall) are July and August (0mm).

Average rainfall days in September
Aliança do Tocantins, Brazil

  • Average rainfall days in September: 6.1 days

The month with the highest number of rainy days is March (29.5 days).
The month with the least rainy days is July (0.4 days).

Average daylight in September /
Average sunshine in September
Aliança do Tocantins, Brazil

  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 30min).

  • Average sunshine in September: 9h and 42min

The month with the most sunshine is October (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 7h and 24min).

Average sunshine days in September
Aliança do Tocantins, Brazil

  • Average sunshine days in September: 22.9 days

The month with the most sunshine days is July (30.7 days).
The month with the least sunshine days is March (0.6 days).

Average UV index in September
Aliança do Tocantins, Brazil

  • Average UV index in September: 8

The months with the highest UV index are August and September (UV index 8).
The months with the lowest UV index are February, March, April, May, June, July, October, November and December (UV index 6).

Average cloud cover in September
Aliança do Tocantins, Brazil

  • Average cloud cover in September: 17

The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 10).

Average visibility in September
Aliança do Tocantins, Brazil

  • Average visibility in September: 10km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, November and December (8km).