September weather forecastObiro, Gabon

Weather in September

September, the first month of the spring in Obiro, is still a hot month, with temperature in the range of an average low of 22.2°C (72°F) and an average high of 30.7°C (87.3°F).

Temperature

September commences with an average high-temperature of a still hot 30.7°C (87.3°F), showing little deviation from August's tropical 30.7°C (87.3°F). An average nighttime temperature of 22.2°C (72°F) is witnessed in Obiro, Gabon throughout September.

Heat index

For September, the heat index is estimated at a blistering 40°C (104°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

The average relative humidity in September in Obiro, Gabon, is 80%.

Rainfall

In Obiro, in September, it is raining for 19.2 days, with typically 62mm (2.44") of accumulated precipitation. Throughout the year, in Obiro, there are 263 rainfall days, and 1311mm (51.61") of precipitation is accumulated.

Daylight

The average length of the day in September in Obiro is 12h and 6min.
On the first day of September, sunrise is at 06:19 and sunset at 18:24. On the last day of the month, sunrise is at 06:07 and sunset at 18:15 WAT.

Sunshine

With an average of 5.2h of sunshine, September has the least sunshine of the year in Obiro.

UV index

March, May through November, with an average maximum UV index of 6, are months with the lowest UV index in Obiro. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 6 during September morphs into the following directions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.