September weather forecast
Dégrad Samson, French Guiana

September, the first month of the autumn in Dégrad Samson, is also a hot month, with an average temperature ranging between max 34.1°C (93.4°F) and min 20.5°C (68.9°F).

Temperature

The average high-temperature for September is a still hot 34.1°C (93.4°F), closely aligning with the temperature of the preceding month. Contrary to the day's heat, an average low-temperature of 20.5°C (68.9°F) is recorded during the nights in September in Dégrad Samson.

Heat index

The heat index value for September is estimated at a blazing hot 49°C (120.2°F). Mind: Heat cramps along with heat exhaustion are anticipated. Heatstroke can develop with continued physical activity.
Understanding the heat index involves considering values for shaded locales with light wind. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

The average relative humidity in September is 74%.

Rainfall

In Dégrad Samson, in September, during 14.3 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, in Dégrad Samson, French Guiana, there are 265.5 rainfall days, and 1078mm (42.44") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 8min.
On the first day of the month, sunrise is at 06:27 and sunset at 18:39. On the last day of September, sunrise is at 06:21 and sunset at 18:26 -03.

Sunshine

September and October, with an average of 8.8h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index in Dégrad Samson are August through November, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 7 in September suggests the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.