September weather forecastSanam, Niger
September
Weather in September
The slight increase in temperature up to 37.2°C (99°F) in September announces the retreat of the wet season. The decrease in rains to 29mm (1.14") along with a reduction in humidity to 39% marks the return to the dry weather. There are less cloud covers compared to the previous month, welcoming back clearer skies. The wind speed regresses, creating warm yet beautiful afternoons with the peaceful ambience of Sanam. Despite limited sunlight due to cloud coverage, its strength and stability are responsible for the continuous high temperatures.Temperature
September's climate shows a minor adjustment in average high-temperatures to a still fiery hot 37.2°C (99°F) from August's 35°C (95°F). Throughout September nights, Sanam registers an average low-temperature of 28.3°C (82.9°F).Humidity
In Sanam, the average relative humidity in September is 39%.Rainfall
In Sanam, during September, the rain falls for 7.8 days and regularly aggregates up to 29mm (1.14") of precipitation. In Sanam, during the entire year, the rain falls for 49.7 days and collects up to 183mm (7.2") of precipitation.Daylight
The average length of the day in September is 12h and 13min.On the first day of September, sunrise is at 06:32 and sunset at 18:56. On the last day of the month, sunrise is at 06:33 and sunset at 18:34 WAT.
Sunshine
In September, the average sunshine is 9.8h.UV index
In September, the average daily maximum UV index is 8. A UV Index reading of 8 to 10 represents a very high health vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 8 during September morphs into the following directions:
Always remain cautious. Unprotected skin and eyes are prone to swift harm. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sanam, Niger
- Average high temperature in September: 37.2°C
The warmest month (with the highest average high temperature) is May (41.2°C).
The month with the lowest average high temperature is December (31.2°C).
- Average low temperature in September: 28.3°C
The month with the highest average low temperature is June (30.4°C).
The coldest month (with the lowest average low temperature) is January (16.2°C).
Average pressure in September
Sanam, Niger
- Average pressure in September: 1010mbar
The month with the highest atmospheric pressure is January (1014.1mbar).
The months with the lowest atmospheric pressure are April and May (1007.5mbar).
Average wind speed in September
Sanam, Niger
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is December (18.4km/h).
The calmest month (with the lowest average wind speed) is October (11.6km/h).
Average humidity in September
Sanam, Niger
- Average humidity in September: 39%
The month with the highest relative humidity is August (48%).
The month with the lowest relative humidity is March (11%).
Average rainfall in September
Sanam, Niger
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is August (78mm).
The driest months (with the least rainfall) are January, February, March, November and December (0mm).
Average rainfall days in September
Sanam, Niger
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is August (15.3 days).
The months with the least rainy days are January, November and December (0 days).
Average daylight in September /
Average sunshine in September
Sanam, Niger
- 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 48min
The months with the most sunshine are February, March, April, May, June, October, November and December (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 9h and 12min).
Average sunshine days in September
Sanam, Niger
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is January (31 days).
The month with the least sunshine days is August (12.9 days).
Average UV index in September
Sanam, Niger
- Average UV index in September: 8
The month with the highest UV index is May (UV index 9).
The months with the lowest UV index are January and December (UV index 6).
Average cloud cover in September
Sanam, Niger
- Average cloud cover in September: 14
The month with the most cloud cover is August (Cloud cover 26).
The month with the least cloud cover is November (Cloud cover 3).
Average visibility in September
Sanam, 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).
