September weather forecastNdavaya, Kenya
September
Weather in September
September, the first month of the spring in Ndavaya, is also a moderately hot month, with an average temperature fluctuating between 22.5°C (72.5°F) and 28°C (82.4°F).Temperature
The unfolding of September shows an average high-temperature of a still moderately hot 28°C (82.4°F), indicating a slight variance from August's 27.6°C (81.7°F). During the month of September, an average temperature of 22.5°C (72.5°F) is noted during the nights.Heat index
The average heat index in September is computed to be a hot 32°C (89.6°F). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.Realize that the values for the heat index are set for shaded places and light winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
The months with the highest humidity in Ndavaya are January, May, September through December, with an average relative humidity of 77%.Rainfall
In Ndavaya, in September, it is raining for 11.2 days, with typically 12mm (0.47") of accumulated precipitation. Throughout the year, there are 167.2 rainfall days, and 312mm (12.28") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 5min.On the first day of September, sunrise is at 06:22 and sunset at 18:24. On the last day of the month, sunrise is at 06:08 and sunset at 18:17 EAT.
Sunshine
The average sunshine in September is 8.4h.UV index
The months with the highest UV index in Ndavaya are January through June, September through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 7 suggests these recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ndavaya, Kenya
- Average high temperature in September: 28°C
The warmest month (with the highest average high temperature) is March (31.6°C).
The month with the lowest average high temperature is July (27.3°C).
- Average low temperature in September: 22.5°C
The months with the highest average low temperature are March and April (25.3°C).
The coldest month (with the lowest average low temperature) is August (22°C).
Average pressure in September
Ndavaya, Kenya
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is July (1016.1mbar).
The month with the lowest atmospheric pressure is February (1010.5mbar).
Average wind speed in September
Ndavaya, Kenya
- Average wind speed in September: 18.6km/h
The windiest month (with the highest average wind speed) is July (23.2km/h).
The calmest month (with the lowest average wind speed) is March (11.9km/h).
Average humidity in September
Ndavaya, Kenya
- Average humidity in September: 77%
The months with the highest relative humidity are January, May, September, October, November and December (77%).
The month with the lowest relative humidity is July (74%).
Average rainfall in September
Ndavaya, Kenya
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is May (48mm).
The driest month (with the least rainfall) is June (10mm).
Average rainfall days in September
Ndavaya, Kenya
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is December (21.2 days).
The month with the least rainy days is February (8.8 days).
Average daylight in September /
Average sunshine in September
Ndavaya, Kenya
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is November (Average sunshine: 10h and 30min).
The month with the least sunshine is May (Average sunshine: 7h and 54min).
Average sunshine days in September
Ndavaya, Kenya
- Average sunshine days in September: 8.8 days
The month with the most sunshine days is February (15.3 days).
The month with the least sunshine days is December (7 days).
Average UV index in September
Ndavaya, Kenya
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover in September
Ndavaya, Kenya
- Average cloud cover in September: 42
The month with the most cloud cover is October (Cloud cover 45).
The month with the least cloud cover is December (Cloud cover 30).
Average visibility in September
Ndavaya, Kenya
- 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).





