September weather forecastAmbinda, Gabon
September
Weather in September
The first month of the spring, September, is still a tropical month in Ambinda, Gabon, with an average temperature fluctuating between 21.3°C (70.3°F) and 30.1°C (86.2°F).Temperature
September's average high-temperature is a still hot 30.1°C (86.2°F), maintaining a close comparison with August's 31.7°C (89.1°F). Nightly temperatures drop to an average low of 21.3°C (70.3°F) in September.Heat index
In September, the heat index is appraised at a torrid 38°C (100.4°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.The heat index's values are generally associated with conditions in shade and light breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
In September, the average relative humidity in Ambinda is 81%.Rainfall
In Ambinda, Gabon, in September, during 26.1 rainfall days, 144mm (5.67") of precipitation is typically accumulated. Throughout the year, in Ambinda, Gabon, there are 293.4 rainfall days, and 1534mm (60.39") of precipitation is accumulated.Daylight
In Ambinda, the average length of the day in September is 12h and 7min.On the first day of the month, sunrise is at 06:00 and sunset at 18:06. On the last day of September, in Ambinda, sunrise is at 05:49 and sunset at 17:56 WAT.
Sunshine
The average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September in Ambinda is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ambinda, Gabon
- Average high temperature in September: 30.1°C
The warmest months (with the highest average high temperature) are February and March (32.1°C).
The month with the lowest average high temperature is October (28.9°C).
- Average low temperature in September: 21.3°C
The month with the highest average low temperature is March (22.1°C).
The coldest month (with the lowest average low temperature) is July (20.9°C).
Average pressure in September
Ambinda, Gabon
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is July (1013.3mbar).
The month with the lowest atmospheric pressure is February (1010.3mbar).
Average wind speed in September
Ambinda, Gabon
- Average wind speed in September: 5.1km/h
The windiest month (with the highest average wind speed) is August (5.5km/h).
The calmest month (with the lowest average wind speed) is November (4.3km/h).
Average humidity in September
Ambinda, Gabon
- Average humidity in September: 81%
The month with the highest relative humidity is October (88%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in September
Ambinda, Gabon
- Average rainfall in September: 144mm
The wettest month (with the highest rainfall) is October (256mm).
The driest month (with the least rainfall) is July (32mm).
Average rainfall days in September
Ambinda, Gabon
- Average rainfall days in September: 26.1 days
The month with the highest number of rainy days is October (29.6 days).
The month with the least rainy days is July (15.4 days).
Average daylight in September /
Average sunshine in September
Ambinda, Gabon
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 6min).
The month with the shortest days is June (Average daylight: 12h and 6min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is December (Average sunshine: 9h and 54min).
The month with the least sunshine is October (Average sunshine: 6h and 12min).
Average sunshine days in September
Ambinda, Gabon
- Average sunshine days in September: 3.4 days
The month with the most sunshine days is July (13 days).
The month with the least sunshine days is October (0.9 days).
Average UV index in September
Ambinda, Gabon
- Average UV index in September: 6
The months with the highest UV index are January, April and July (UV index 7).
The month with the lowest UV index is October (UV index 5).
Average cloud cover in September
Ambinda, Gabon
- Average cloud cover in September: 51
The month with the most cloud cover is October (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Ambinda, Gabon
- Average visibility in September: 8km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are October and November (7km).





