September weather forecastMoukoro, Gabon
September
Weather in September
The first month of the spring, September, is still a warm month in Moukoro, Gabon, with an average temperature fluctuating between 21.2°C (70.2°F) and 29.3°C (84.7°F).Temperature
Moukoro observes an average high-temperature of a warm 29.3°C (84.7°F) in September, barely different from 30.2°C (86.4°F) in August. In the month of September, an average of 21.2°C (70.2°F) marks the low-temperature.Heat index
For most parts of September, the heat index is estimated at a fiery hot 35°C (95°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. 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. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
In September, the average relative humidity is 77%.Rainfall
In Moukoro, during September, the rain falls for 18.1 days and regularly aggregates up to 44mm (1.73") of precipitation. In Moukoro, during the entire year, the rain falls for 274.1 days and collects up to 1640mm (64.57") of precipitation.Daylight
The average length of the day in September is 12h and 6min.On the first day of the month, sunrise is at 06:11 and sunset at 18:15. On the last day of September, sunrise is at 05:59 and sunset at 18:07 WAT.
Sunshine
In Moukoro, the average sunshine in September is 4.9h.UV index
January through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 6 suggests this advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. 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. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Moukoro, Gabon
- Average high temperature in September: 29.3°C
The warmest month (with the highest average high temperature) is March (30.6°C).
The month with the lowest average high temperature is November (28.3°C).
- Average low temperature in September: 21.2°C
The month with the highest average low temperature is March (21.9°C).
The coldest month (with the lowest average low temperature) is July (18.6°C).
Average pressure in September
Moukoro, Gabon
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is July (1014.4mbar).
The months with the lowest atmospheric pressure are February and March (1010.3mbar).
Average wind speed in September
Moukoro, Gabon
- Average wind speed in September: 6.1km/h
The windiest month (with the highest average wind speed) is August (6.5km/h).
The calmest months (with the lowest average wind speed) are January and December (4km/h).
Average humidity in September
Moukoro, Gabon
- Average humidity in September: 77%
The month with the highest relative humidity is November (91%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Moukoro, Gabon
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is November (267mm).
The driest month (with the least rainfall) is July (4mm).
Average rainfall days in September
Moukoro, Gabon
- Average rainfall days in September: 18.1 days
The month with the highest number of rainy days is December (30.2 days).
The month with the least rainy days is July (6.3 days).
Average daylight in September /
Average sunshine in September
Moukoro, Gabon
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 12h and 0min).
- Average sunshine in September: 4h and 54min
The month with the most sunshine is July (Average sunshine: 7h and 18min).
The month with the least sunshine is October (Average sunshine: 4h and 42min).
Average sunshine days in September
Moukoro, Gabon
- Average sunshine days in September: 6.9 days
The month with the most sunshine days is July (20.7 days).
The months with the least sunshine days are November and December (0.5 days).
Average UV index in September
Moukoro, Gabon
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, July, August and September (UV index 6).
The months with the lowest UV index are October, November and December (UV index 5).
Average cloud cover in September
Moukoro, Gabon
- Average cloud cover in September: 70
The month with the most cloud cover is October (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 50).
Average visibility in September
Moukoro, Gabon
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is November (5km).





