Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September registers an average high-temperature of a sweltering 37.6°C (99.7°F), slightly varied from August's 34.8°C (94.6°F). Boune, during September, witnesses an average low-temperature of 28.3°C (82.9°F).Humidity
The average relative humidity in September is 36%.Rainfall
In September, the rain falls for 4.2 days. Throughout September, 9mm (0.35") of precipitation is accumulated. In Boune, during the entire year, the rain falls for 36.7 days and collects up to 133mm (5.24") of precipitation.Daylight
The average length of the day in September is 12h and 12min.On the first day of September, sunrise is at 06:08 and sunset at 18:30. On the last day of the month, sunrise is at 06:08 and sunset at 18:09 WAT.
Sunshine
In Boune, the average sunshine in September is 9.8h.UV index
In Boune, the average daily maximum UV index in September is 8. A UV Index value of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 8 translates into the following recommendations:
Being unprotected puts skin and eyes at risk of rapid damage. Always be safe. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
How much does it rain in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Boune have in September?
What is the UV index reading in September?
Average temperature in September
Boune, Niger
- Average high temperature in September: 37.6°C
The warmest month (with the highest average high temperature) is May (41.5°C).
The month with the lowest average high temperature is December (30.6°C).
- Average low temperature in September: 28.3°C
The month with the highest average low temperature is June (30°C).
The coldest month (with the lowest average low temperature) is January (15.1°C).
Average pressure in September
Boune, Niger
- Average pressure in September: 1009.5mbar
The month with the highest atmospheric pressure is January (1014.1mbar).
The month with the lowest atmospheric pressure is May (1007.1mbar).
Average wind speed in September
Boune, Niger
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is December (19.7km/h).
The calmest month (with the lowest average wind speed) is September (11.9km/h).
Average humidity in September
Boune, Niger
- Average humidity in September: 36%
The month with the highest relative humidity is August (50%).
The month with the lowest relative humidity is March (11%).
Average rainfall in September
Boune, Niger
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is August (72mm).
The driest months (with the least rainfall) are January, February, March, November and December (0mm).
Average rainfall days in September
Boune, Niger
- Average rainfall days in September: 4.2 days
The month with the highest number of rainy days is August (12.5 days).
The months with the least rainy days are January, November and December (0 days).
Average daylight in September /
Average sunshine in September
Boune, Niger
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 9h and 5min
The months with the most sunshine are May and June (Average sunshine: 12h and 12min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).
Average sunshine days in September
Boune, Niger
- Average sunshine days in September: 24.3 days
The months with the most sunshine days are January and December (31 days).
The month with the least sunshine days is August (16.5 days).
Average UV index in September
Boune, Niger
- Average UV index in September: 8
The month with the highest UV index is April (UV index 9).
The months with the lowest UV index are January and December (UV index 6).
Average cloud cover in September
Boune, Niger
- Average cloud cover in September: 14
The month with the most cloud cover is August (Cloud cover 28).
The months with the least cloud cover are January, November and December (Cloud cover 3).
Average visibility in September
Boune, Niger
- 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).
Boune, Niger
Weather forecast for your location
2. Allow the app to use your location