September weather forecastSoniké, Guinea
September
Weather in September
September, the first month of the autumn in Soniké, is still a warm month, with an average temperature ranging between max 27.9°C (82.2°F) and min 24.1°C (75.4°F).Temperature
The transition into September marks the average high-temperature at a still warm 27.9°C (82.2°F), differing minimally from August's 27°C (80.6°F). An average nighttime temperature of 24.1°C (75.4°F) marks September.Heat index
The heat index for September is estimated at a hot 33°C (91.4°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
The average relative humidity in September is 85%.Rainfall
In Soniké, in September, it is raining for 24.7 days, with typically 181mm (7.13") of accumulated precipitation. Throughout the year, there are 172.9 rainfall days, and 1410mm (55.51") of precipitation is accumulated.Daylight
In Soniké, the average length of the day in September is 12h and 11min.On the first day of the month, sunrise is at 06:45 and sunset at 19:03. On the last day of September, sunrise is at 06:42 and sunset at 18:45 GMT.
Sunshine
The average sunshine in September in Soniké, Guinea, is 6.5h.UV index
January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index in Soniké. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 7 leads to the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Soniké, Guinea
- Average high temperature in September: 27.9°C
The warmest month (with the highest average high temperature) is December (31.1°C).
The month with the lowest average high temperature is August (27°C).
- Average low temperature in September: 24.1°C
The months with the highest average low temperature are May and June (25.4°C).
The coldest month (with the lowest average low temperature) is February (22.8°C).
Average pressure in September
Soniké, Guinea
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is July (1013.7mbar).
The months with the lowest atmospheric pressure are February and March (1010.5mbar).
Average wind speed in September
Soniké, Guinea
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is August (11.5km/h).
The calmest month (with the lowest average wind speed) is November (7.1km/h).
Average humidity in September
Soniké, Guinea
- Average humidity in September: 85%
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is January (63%).
Average rainfall in September
Soniké, Guinea
- Average rainfall in September: 181mm
The wettest month (with the highest rainfall) is August (478mm).
The driest month (with the least rainfall) is February (1mm).
Average rainfall days in September
Soniké, Guinea
- Average rainfall days in September: 24.7 days
The month with the highest number of rainy days is August (28.3 days).
The month with the least rainy days is January (1 days).
Average daylight in September /
Average sunshine in September
Soniké, Guinea
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in September: 6h and 30min
The months with the most sunshine are February and March (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 4h and 30min).
Average sunshine days in September
Soniké, Guinea
- Average sunshine days in September: 4.3 days
The month with the most sunshine days is January (29.7 days).
The month with the least sunshine days is August (2.3 days).
Average UV index in September
Soniké, Guinea
- 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
Soniké, Guinea
- Average cloud cover in September: 57
The month with the most cloud cover is August (Cloud cover 71).
The month with the least cloud cover is February (Cloud cover 9).
Average visibility in September
Soniké, Guinea
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).





