September weather forecastKeita, Niger
September
Weather in September
Keita in September marks a return of the declining heat. The rainfall drops to a more moderate 29mm (1.14") from August's staggering amounts. The thermal pattern displays a shift from the intense heat, with decreased highs and lows. The hours of sunlight begin to reduce, heralding the upcoming transition to a less sunlit period. Overall, the climate starts to exhibit a return of the drier weather trends.Temperature
Keita transitions into September recording an average high-temperature of a still fiery hot 37.2°C (99°F), closely aligning with the preceding month's temperature. In September, the nighttime temperature in Keita lowers to an average of 28.3°C (82.9°F).Humidity
In September, the average relative humidity in Keita is 39%.Rainfall
In Keita, in September, during 7.8 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In Keita, during the entire year, the rain falls for 49.7 days and collects up to 183mm (7.2") of precipitation.Daylight
In September, the average length of the day in Keita is 12h and 13min.On the first day of the month, sunrise is at 06:24 and sunset at 18:48. On the last day of September, sunrise is at 06:26 and sunset at 18:26 WAT.
Sunshine
The average sunshine in September is 9.8h.UV index
In Keita, the average daily maximum UV index in September is 8. A UV Index of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, an average UV index of 8 transforms into the following instructions:
Always take precautions; unprotected eyes and skin can be damaged rapidly. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Keita, 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
Keita, 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
Keita, 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
Keita, 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
Keita, 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
Keita, 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
Keita, 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
Keita, 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
Keita, 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
Keita, 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
Keita, 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).
