September weather forecastBibasse, Gabon
September
Weather in September
September, the first month of the autumn in Bibasse, is also a moderately hot month, with an average temperature ranging between min 20.3°C (68.5°F) and max 28.6°C (83.5°F).Temperature
September's weather, recording an average high temperature of a still moderately hot 28.6°C (83.5°F), matches that of August. Bibasse, during September, witnesses an average low-temperature of 20.3°C (68.5°F).Heat index
During September, the heat index is computed to be a torrid 36°C (96.8°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.Remember that heat index calculations are made for conditions in the shade with light wind. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are especially vital to children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.
Humidity
In September, the average relative humidity in Bibasse is 90%.Rainfall
In September, the rain falls for 28.3 days. Throughout September, 164mm (6.46") of precipitation is accumulated. Throughout the year, there are 317.5 rainfall days, and 1608mm (63.31") of precipitation is accumulated.Daylight
In Bibasse, the average length of the day in September is 12h and 7min.On the first day of September, sunrise is at 06:09 and sunset at 18:17. On the last day of the month, sunrise is at 06:00 and sunset at 18:06 WAT.
Sunshine
In September, the average sunshine is 4.7h.UV index
The months with the lowest UV index are June through November, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bibasse, Gabon
- Average high temperature in September: 28.6°C
The warmest month (with the highest average high temperature) is February (32.3°C).
The month with the lowest average high temperature is October (28.5°C).
- Average low temperature in September: 20.3°C
The months with the highest average low temperature are February and April (21.1°C).
The coldest month (with the lowest average low temperature) is July (19.7°C).
Average pressure in September
Bibasse, Gabon
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is July (1013.9mbar).
The month with the lowest atmospheric pressure is February (1010.2mbar).
Average wind speed in September
Bibasse, Gabon
- Average wind speed in September: 4.4km/h
The windiest month (with the highest average wind speed) is August (4.7km/h).
The calmest months (with the lowest average wind speed) are May and November (3.5km/h).
Average humidity in September
Bibasse, Gabon
- Average humidity in September: 90%
The month with the highest relative humidity is October (91%).
The month with the lowest relative humidity is January (78%).
Average rainfall in September
Bibasse, Gabon
- Average rainfall in September: 164mm
The wettest month (with the highest rainfall) is October (227mm).
The driest month (with the least rainfall) is January (37mm).
Average rainfall days in September
Bibasse, Gabon
- Average rainfall days in September: 28.3 days
The month with the highest number of rainy days is October (29.4 days).
The month with the least rainy days is December (20.5 days).
Average daylight in September /
Average sunshine in September
Bibasse, Gabon
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in September: 4h and 42min
The month with the most sunshine is January (Average sunshine: 8h and 18min).
The month with the least sunshine is October (Average sunshine: 4h and 30min).
Average sunshine days in September
Bibasse, Gabon
- Average sunshine days in September: 0.3 days
The month with the most sunshine days is January (8.4 days).
The month with the least sunshine days is September (0.3 days).
Average UV index in September
Bibasse, Gabon
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May and December (UV index 6).
The months with the lowest UV index are June, July, August, September, October and November (UV index 5).
Average cloud cover in September
Bibasse, Gabon
- Average cloud cover in September: 81
The months with the most cloud cover are September and October (Cloud cover 81).
The month with the least cloud cover is January (Cloud cover 54).
Average visibility in September
Bibasse, Gabon
- Average visibility in September: 5km
The month with the highest visibility is January (7km).
The months with the lowest visibility are March, April, May, June, July, August, September, October and November (5km).





