September weather forecastArlal, Mali
September
Weather in September
September, the first month of the autumn in Arlal, is still a torrid month, with an average temperature varying between 39.6°C (103.3°F) and 30.5°C (86.9°F).Temperature
The introduction of September sees an average high-temperature of a still very hot 39.6°C (103.3°F), hardly deviating from August. During September, Arlal's temperature averages to a hot 30.5°C (86.9°F) at night.Humidity
In Arlal, Mali, the average relative humidity in September is 29%.Rainfall
In Arlal, in September, during 5.5 rainfall days, 13mm (0.51") of precipitation is typically accumulated. Throughout the year, there are 33.9 rainfall days, and 85mm (3.35") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 14min.On the first day of September, sunrise is at 05:57 and sunset at 18:23. On the last day of the month, sunrise is at 06:00 and sunset at 18:00 GMT.
Sunshine
In September, the average sunshine in Arlal is 10.4h.UV index
The months with the highest UV index are April through July and September, with an average maximum UV index of 9. A UV Index of 8 to 10 symbolizes a very high threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 9 during September translates into these guidelines:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Use liberally and reapply a broad-spectrum SPF 30+ sunscreen every two hours, or straight away after any outdoor workout or swim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arlal, Mali
- Average high temperature in September: 39.6°C
The warmest month (with the highest average high temperature) is June (42.6°C).
The month with the lowest average high temperature is January (29.7°C).
- Average low temperature in September: 30.5°C
The month with the highest average low temperature is June (32.3°C).
The coldest month (with the lowest average low temperature) is January (15.4°C).
Average pressure in September
Arlal, Mali
- Average pressure in September: 1009.6mbar
The month with the highest atmospheric pressure is January (1015.1mbar).
The month with the lowest atmospheric pressure is May (1007.8mbar).
Average wind speed in September
Arlal, Mali
- Average wind speed in September: 13.1km/h
The windiest months (with the highest average wind speed) are July and December (17km/h).
The calmest month (with the lowest average wind speed) is September (13.1km/h).
Average humidity in September
Arlal, Mali
- Average humidity in September: 29%
The month with the highest relative humidity is August (38%).
The month with the lowest relative humidity is April (11%).
Average rainfall in September
Arlal, Mali
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is August (45mm).
The driest months (with the least rainfall) are January, February, March and December (0mm).
Average rainfall days in September
Arlal, Mali
- Average rainfall days in September: 5.5 days
The month with the highest number of rainy days is August (9.8 days).
The months with the least rainy days are November and December (0.1 days).
Average daylight in September /
Average sunshine in September
Arlal, Mali
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in September: 10h and 24min
The month with the most sunshine is May (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 30min).
Average sunshine days in September
Arlal, Mali
- Average sunshine days in September: 22.7 days
The month with the most sunshine days is December (31 days).
The month with the least sunshine days is August (19.3 days).
Average UV index in September
Arlal, Mali
- Average UV index in September: 9
The months with the highest UV index are April, May, June, July and September (UV index 9).
The months with the lowest UV index are January and December (UV index 6).
Average cloud cover in September
Arlal, Mali
- Average cloud cover in September: 12
The month with the most cloud cover is August (Cloud cover 20).
The months with the least cloud cover are March, April and October (Cloud cover 7).
Average visibility in September
Arlal, Mali
- 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).
