September weather forecast
Britânia, Brazil

The first month of the spring, September, is also a hot month in Britânia, Brazil, with temperature in the range of an average high of 34.1°C (93.4°F) and an average low of 21°C (69.8°F).

Temperature

September, with its average high-temperature of 34.1°C (93.4°F) and an average low-temperature of 21°C (69.8°F), holds the record as the warmest month.

Heat index

September's heat index is appraised at a torrid 36°C (96.8°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

The average relative humidity in September is 40%.

Rainfall

In Britânia, Brazil, in September, it is raining for 6.1 days, with typically 16mm (0.63") of accumulated precipitation. In Britânia, during the entire year, the rain falls for 205.3 days and collects up to 1139mm (44.84") of precipitation.

Daylight

The average length of the day in September is 12h and 1min.
On the first day of September in Britânia, Brazil, sunrise is at 06:29 and sunset at 18:19. On the last day of the month, sunrise is at 06:07 and sunset at 18:21 -03.

Sunshine

The average sunshine in September is 9.7h.

UV index

The months with the highest UV index are August and September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 7 suggests this advice:
Resist overexposure. Safeguarding from solar damage is indispensable. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.