September weather forecastSandiara, Senegal
September
Weather in September
The first month of the autumn, September, is still a hot month in Sandiara, Senegal, with an average temperature varying between 26.5°C (79.7°F) and 34.5°C (94.1°F).Temperature
September's presence records an average high-temperature of a still tropical 34.5°C (94.1°F), closely mirroring August's climate. The low-temperature average for Sandiara during September stands at a moderately hot 26.5°C (79.7°F).Heat index
During September, the heat index is computed to be a life-threatening hot 47°C (116.6°F). Stay on guard: Heat exhaustion and heat cramps are predicted. Ongoing effort can cause heatstroke.For clarity, heat index numbers account for light winds and areas under shade. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.
Humidity
In September, the average relative humidity is 67%.Rainfall
In September, the rain falls for 12.9 days. Throughout September, 47mm (1.85") of precipitation is accumulated. Throughout the year, in Sandiara, there are 46.6 rainfall days, and 168mm (6.61") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 13min.On the first day of the month, sunrise is at 06:55 and sunset at 19:18. On the last day of September, sunrise is at 06:56 and sunset at 18:57 GMT.
Sunshine
In September, the average sunshine is 9.3h.UV index
September and October, with an average maximum UV index of 8, are months with the highest UV index in Sandiara. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily UV index of 8 turns into the following recommendations:
With the absence of protection, damage to skin and eyes can occur instantly. Ensure precautions are taken. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sandiara, Senegal
- Average high temperature in September: 34.5°C
The warmest month (with the highest average high temperature) is October (37.2°C).
The month with the lowest average high temperature is January (32.8°C).
- Average low temperature in September: 26.5°C
The month with the highest average low temperature is September (26.5°C).
The coldest month (with the lowest average low temperature) is January (18.2°C).
Average pressure in September
Sandiara, Senegal
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is January (1013.8mbar).
The months with the lowest atmospheric pressure are April and May (1010.7mbar).
Average wind speed in September
Sandiara, Senegal
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is April (18.1km/h).
The calmest month (with the lowest average wind speed) is September (11.9km/h).
Average humidity in September
Sandiara, Senegal
- Average humidity in September: 67%
The month with the highest relative humidity is August (68%).
The month with the lowest relative humidity is January (22%).
Average rainfall in September
Sandiara, Senegal
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is August (68mm).
The driest months (with the least rainfall) are January, February, May and December (0mm).
Average rainfall days in September
Sandiara, Senegal
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is August (13.6 days).
The month with the least rainy days is January (0.2 days).
Average daylight in September /
Average sunshine in September
Sandiara, Senegal
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is May (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 8h and 48min).
Average sunshine days in September
Sandiara, Senegal
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is January (30.7 days).
The month with the least sunshine days is August (14.7 days).
Average UV index in September
Sandiara, Senegal
- Average UV index in September: 8
The months with the highest UV index are September and October (UV index 8).
The month with the lowest UV index is December (UV index 6).
Average cloud cover in September
Sandiara, Senegal
- Average cloud cover in September: 24
The month with the most cloud cover is August (Cloud cover 32).
The months with the least cloud cover are April and May (Cloud cover 6).
Average visibility in September
Sandiara, Senegal
- 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).





