September weather forecastOdimba, Gabon
September
Weather in September
September, the first month of the spring in Odimba, is still a tropical month, with an average temperature fluctuating between 30.5°C (86.9°F) and 21.5°C (70.7°F).Temperature
The arrival of September sees an average high-temperature of a still tropical 30.5°C (86.9°F), hardly diverging from August's 31.4°C (88.5°F). Odimba anticipates an average minimum temperature of 21.5°C (70.7°F) in the month of September.Heat index
The average heat index in September is computed to be a sweltering 39°C (102.2°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
In September, the average relative humidity in Odimba is 78%.Rainfall
In Odimba, in September, it is raining for 22.6 days, with typically 84mm (3.31") of accumulated precipitation. Throughout the year, in Odimba, there are 297.6 rainfall days, and 1831mm (72.09") of precipitation is accumulated.Daylight
The average length of the day in September in Odimba is 12h and 6min.On the first day of the month, sunrise is at 06:19 and sunset at 18:24. On the last day of September, sunrise is at 06:08 and sunset at 18:16 WAT.
Sunshine
With an average of 5.3h of sunshine, September has the least sunshine of the year in Odimba.UV index
The average daily maximum UV index in September in Odimba is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 6 in September leads to these recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Odimba, Gabon
- Average high temperature in September: 30.5°C
The warmest month (with the highest average high temperature) is March (32.1°C).
The month with the lowest average high temperature is October (29.9°C).
- Average low temperature in September: 21.5°C
The month with the highest average low temperature is March (22.2°C).
The coldest month (with the lowest average low temperature) is July (19.7°C).
Average pressure in September
Odimba, Gabon
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is July (1014.2mbar).
The months with the lowest atmospheric pressure are February and March (1010.3mbar).
Average wind speed in September
Odimba, Gabon
- Average wind speed in September: 5.5km/h
The windiest month (with the highest average wind speed) is August (6km/h).
The calmest month (with the lowest average wind speed) is December (3.8km/h).
Average humidity in September
Odimba, Gabon
- Average humidity in September: 78%
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Odimba, Gabon
- Average rainfall in September: 84mm
The wettest month (with the highest rainfall) is October (275mm).
The driest month (with the least rainfall) is July (13mm).
Average rainfall days in September
Odimba, Gabon
- Average rainfall days in September: 22.6 days
The month with the highest number of rainy days is December (30.4 days).
The month with the least rainy days is July (10.3 days).
Average daylight in September /
Average sunshine in September
Odimba, Gabon
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 0min).
- Average sunshine in September: 5h and 18min
The month with the most sunshine is January (Average sunshine: 7h and 24min).
The month with the least sunshine is September (Average sunshine: 5h and 18min).
Average sunshine days in September
Odimba, Gabon
- Average sunshine days in September: 3.7 days
The month with the most sunshine days is July (15 days).
The month with the least sunshine days is October (0.4 days).
Average UV index in September
Odimba, Gabon
- Average UV index in September: 6
The month with the highest UV index is March (UV index 7).
The month with the lowest UV index is October (UV index 5).
Average cloud cover in September
Odimba, Gabon
- Average cloud cover in September: 70
The month with the most cloud cover is October (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 54).
Average visibility in September
Odimba, Gabon
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is November (5km).





