September weather forecastKoumaira, Mali
September
Weather in September
The first month of the autumn, September, is also a fiery hot month in Koumaira, Mali, with an average temperature varying between 39.6°C (103.3°F) and 30.5°C (86.9°F).Temperature
September ushers in an average high-temperature of a still sweltering 39.6°C (103.3°F), aligning closely with the preceding month. In September, Koumaira experiences a temperature dip to an average of 30.5°C (86.9°F) at night.Humidity
In Koumaira, the average relative humidity in September is 29%.Rainfall
In September, the rain falls for 5.5 days. Throughout September, 13mm (0.51") of precipitation is accumulated. Throughout the year, there are 33.9 rainfall days, and 85mm (3.35") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 13min.On the first day of September, sunrise is at 06:02 and sunset at 18:27. On the last day of the month, sunrise is at 06:05 and sunset at 18:05 GMT.
Sunshine
In Koumaira, the average sunshine in September 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 health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, the average maximum UV index of 9 translates into the following recommendations:
Emphasize protection. Neglecting it can lead to swift damage to the skin and eyes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Directly after swimming or an outdoor workout, generously apply and reapply a broad-spectrum SPF 30+ sunscreen.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Koumaira, 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
Koumaira, 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
Koumaira, 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
Koumaira, 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
Koumaira, 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
Koumaira, 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
Koumaira, 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
Koumaira, 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
Koumaira, 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
Koumaira, 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
Koumaira, 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).
