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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).





