September weather forecast
Guajará-Mirim, Brazil

The first month of the spring, September, is also a fiery hot month in Guajará-Mirim, Brazil, with an average temperature ranging between min 22.7°C (72.9°F) and max 36°C (96.8°F).

Temperature

In Guajará-Mirim, the month of September is known for its highest average temperatures, reaching a high of 36°C (96.8°F) and a low of 22.7°C (72.9°F).

Heat index

The heat index value for September is computed to be a life-threatening hot 46°C (114.8°F). On guard: Heat exhaustion and heat cramps are predicted. Heatstroke is a potential hazard with continuous physical effort.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

The average relative humidity in September in Guajará-Mirim is 55%.

Rainfall

In September, the rain falls for 11.6 days. Throughout September, 27mm (1.06") of precipitation is accumulated. In Guajará-Mirim, during the entire year, the rain falls for 228.5 days and collects up to 1170mm (46.06") of precipitation.

Daylight

The average length of the day in September is 12h and 3min.
On the first day of September, sunrise is at 06:23 and sunset at 18:18. On the last day of the month, sunrise is at 06:05 and sunset at 18:16 -04.

Sunshine

In Guajará-Mirim, the average sunshine in September is 9.3h.

UV index

The months with the highest UV index are July through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A typical high UV index of 7 in September suggests the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.