September weather forecast
Comodoro, Brazil

September, the first month of the spring in Comodoro, is also a hot month, with an average temperature fluctuating between 20.8°C (69.4°F) and 34.1°C (93.4°F).

Temperature

September is the warmest month, with the temperature often reaching an average high of 34.1°C (93.4°F) and an average low of 20.8°C (69.4°F).

Heat index

The average heat index in September is evaluated at an extremely hot 40°C (104°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
In reference to the heat index, it's for places in shade and with a slight wind. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

In Comodoro, the average relative humidity in September is 55%.

Rainfall

In Comodoro, during September, the rain falls for 12.7 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, there are 237.8 rainfall days, and 1557mm (61.3") of precipitation is accumulated.

Daylight

In Comodoro, the average length of the day in September is 12h and 2min.
On the first day of September in Comodoro, sunrise is at 06:03 and sunset at 17:54. On the last day of the month, sunrise is at 05:42 and sunset at 17:55 -04.

Sunshine

The months with the most sunshine in Comodoro are September and October, with an average of 8.6h of sunshine.

UV index

The months with the highest UV index in Comodoro, Brazil, are August and September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 7 during September translates into these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.