September weather forecastRigoho, Gabon
September
Weather in September
The first month of the autumn, September, is still a warm month in Rigoho, Gabon, with an average temperature ranging between max 27.8°C (82°F) and min 23.5°C (74.3°F).Temperature
Rigoho starts September with an average high-temperature of a still moderately hot 27.8°C (82°F), hinting at a minimal fluctuation from August. Throughout September nights, Rigoho records a consistent low-temperature averaging a still warm 23.5°C (74.3°F).Heat index
September's heat index is evaluated at a tropical 32°C (89.6°F). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.One should consider that heat index numbers are for shaded settings and light wind. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
In Rigoho, the average relative humidity in September is 83%.Rainfall
In Rigoho, in September, during 17.7 rainfall days, 76mm (2.99") of precipitation is typically accumulated. In Rigoho, during the entire year, the rain falls for 274.1 days and collects up to 1477mm (58.15") of precipitation.Daylight
In Rigoho, the average length of the day in September is 12h and 7min.On the first day of September, sunrise is at 06:17 and sunset at 18:25. On the last day of the month, sunrise is at 06:08 and sunset at 18:14 WAT.
Sunshine
September has the least sunshine of the year, with an average of 5.1h of sunshine.UV index
The months with the lowest UV index are June through October, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily UV index of 6 turns into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rigoho, Gabon
- Average high temperature in September: 27.8°C
The warmest month (with the highest average high temperature) is March (30.1°C).
The month with the lowest average high temperature is July (26.5°C).
- Average low temperature in September: 23.5°C
The month with the highest average low temperature is March (25.3°C).
The coldest month (with the lowest average low temperature) is July (22.5°C).
Average pressure in September
Rigoho, Gabon
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is July (1014mbar).
The months with the lowest atmospheric pressure are February and March (1010mbar).
Average wind speed in September
Rigoho, Gabon
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is August (13.4km/h).
The calmest month (with the lowest average wind speed) is April (8.2km/h).
Average humidity in September
Rigoho, Gabon
- Average humidity in September: 83%
The month with the highest relative humidity is November (86%).
The months with the lowest relative humidity are January, February, March and August (81%).
Average rainfall in September
Rigoho, Gabon
- Average rainfall in September: 76mm
The wettest month (with the highest rainfall) is November (226mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in September
Rigoho, Gabon
- Average rainfall days in September: 17.7 days
The month with the highest number of rainy days is January (30 days).
The month with the least rainy days is July (8.3 days).
Average daylight in September /
Average sunshine in September
Rigoho, Gabon
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are January, November and December (Average daylight: 12h and 6min).
- Average sunshine in September: 5h and 6min
The month with the most sunshine is February (Average sunshine: 8h and 18min).
The month with the least sunshine is September (Average sunshine: 5h and 6min).
Average sunshine days in September
Rigoho, Gabon
- Average sunshine days in September: 9.9 days
The month with the most sunshine days is July (20.7 days).
The month with the least sunshine days is January (0.6 days).
Average UV index in September
Rigoho, Gabon
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, November and December (UV index 7).
The months with the lowest UV index are June, July, August, September and October (UV index 6).
Average cloud cover in September
Rigoho, Gabon
- Average cloud cover in September: 74
The month with the most cloud cover is September (Cloud cover 74).
The month with the least cloud cover is February (Cloud cover 42).
Average visibility in September
Rigoho, Gabon
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, June, July, August and September (10km).
The months with the lowest visibility are April, May, October, November and December (9km).
