September weather forecastAllada, Benin
September
Weather in September
September brings an increase in rainfall, moving up to 89mm (3.5") compared to August. The relative humidity remains high, accompanied by a small decrease in cloud cover. Despite the monsoon season coming to an end, the wind speeds continue to soar. As the temperatures begin to drop, the departure of September begins paving the way for drier and cooler months.Temperature
Allada notes an average high-temperature of a still warm 28.2°C (82.8°F) in September, hardly diverging from August. A slight dip in temperature to a still moderately hot 23.9°C (75°F) marks the average nights during September.Heat index
The heat index value for September is appraised at a tropical 33°C (91.4°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.The heat index's values are generally associated with conditions in shade and light breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', quantifies the warmth felt when relative humidity is considered. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
August and September, with an average relative humidity of 84%, are the most humid months.Rainfall
In Allada, in September, during 24.5 rainfall days, 89mm (3.5") of precipitation is typically accumulated. Throughout the year, there are 220.8 rainfall days, and 678mm (26.69") of precipitation is accumulated.Snowfall
September is the only month when snow falls. The month with the most snowfall days is September, when snow falls for 0.1 days.Daylight
In Allada, the average length of the day in September is 12h and 10min.On the first day of the month, sunrise is at 06:44 and sunset at 18:58. On the last day of September, sunrise is at 06:39 and sunset at 18:43 WAT.
Sunshine
The average sunshine in September is 7.3h.UV index
The months with the highest UV index are January through June, September through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 7 in September translates into these instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Allada, Benin
- Average high temperature in September: 28.2°C
The warmest month (with the highest average high temperature) is March (32.2°C).
The month with the lowest average high temperature is August (27.4°C).
- Average low temperature in September: 23.9°C
The month with the highest average low temperature is April (26.9°C).
The coldest month (with the lowest average low temperature) is August (23.3°C).
Average pressure in September
Allada, Benin
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is July (1013.4mbar).
The months with the lowest atmospheric pressure are February and March (1009.4mbar).
Average wind speed in September
Allada, Benin
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is August (15.7km/h).
The calmest month (with the lowest average wind speed) is December (10.5km/h).
Average humidity in September
Allada, Benin
- Average humidity in September: 84%
The months with the highest relative humidity are August and September (84%).
The month with the lowest relative humidity is January (71%).
Average rainfall in September
Allada, Benin
- Average rainfall in September: 89mm
The wettest month (with the highest rainfall) is June (125mm).
The driest months (with the least rainfall) are January and December (16mm).
Average rainfall days in September
Allada, Benin
- Average rainfall days in September: 24.5 days
The months with the highest number of rainy days are June and September (24.5 days).
The month with the least rainy days is January (8.8 days).
Average snowfall days in September
Allada, Benin
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Allada, Benin
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is January (Average sunshine: 9h and 42min).
The month with the least sunshine is July (Average sunshine: 6h and 18min).
Average sunshine days in September
Allada, Benin
- Average sunshine days in September: 2.7 days
The month with the most sunshine days is January (18.4 days).
The month with the least sunshine days is September (2.7 days).
Average UV index in September
Allada, Benin
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover in September
Allada, Benin
- Average cloud cover in September: 51
The month with the most cloud cover is July (Cloud cover 56).
The month with the least cloud cover is December (Cloud cover 14).
Average visibility in September
Allada, Benin
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
