September weather forecastKiongwe, Kenya
September
Weather in September
September, the first month of the spring in Kiongwe, is still a warm month, with an average temperature fluctuating between 24.2°C (75.6°F) and 28.1°C (82.6°F).Temperature
Kiongwe experiences an average high-temperature of a still warm 28.1°C (82.6°F) in September, subtly different from August's 27.4°C (81.3°F). September nighttime temperatures in Kiongwe hover close to the daytime peak with an average of 24.2°C (75.6°F).Heat index
September's heat index is calculated to be a hot 32°C (89.6°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Humidity
The average relative humidity in September is 75%.Rainfall
In Kiongwe, Kenya, in September, during 12.6 rainfall days, 19mm (0.75") of precipitation is typically accumulated. In Kiongwe, during the entire year, the rain falls for 192.5 days and collects up to 641mm (25.24") of precipitation.Daylight
In September, the average length of the day is 12h and 6min.On the first day of September, sunrise is at 06:14 and sunset at 18:18. On the last day of the month, sunrise is at 06:02 and sunset at 18:10 EAT.
Sunshine
In Kiongwe, the average sunshine in September is 8.8h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Kiongwe. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 7 in September converts into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kiongwe, Kenya
- Average high temperature in September: 28.1°C
The warmest month (with the highest average high temperature) is March (31.3°C).
The month with the lowest average high temperature is August (27.4°C).
- Average low temperature in September: 24.2°C
The month with the highest average low temperature is April (26.7°C).
The coldest month (with the lowest average low temperature) is August (24°C).
Average pressure in September
Kiongwe, Kenya
- Average pressure in September: 1014.2mbar
The months with the highest atmospheric pressure are July and August (1014.9mbar).
The month with the lowest atmospheric pressure is March (1009.9mbar).
Average wind speed in September
Kiongwe, Kenya
- Average wind speed in September: 23.3km/h
The windiest month (with the highest average wind speed) is July (27.8km/h).
The calmest month (with the lowest average wind speed) is November (14.5km/h).
Average humidity in September
Kiongwe, Kenya
- Average humidity in September: 75%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is July (74%).
Average rainfall in September
Kiongwe, Kenya
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is May (156mm).
The driest month (with the least rainfall) is February (7mm).
Average rainfall days in September
Kiongwe, Kenya
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (24.4 days).
The month with the least rainy days is February (3.6 days).
Average daylight in September /
Average sunshine in September
Kiongwe, Kenya
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 12h and 0min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is November (Average sunshine: 11h and 0min).
The month with the least sunshine is May (Average sunshine: 7h and 48min).
Average sunshine days in September
Kiongwe, Kenya
- Average sunshine days in September: 9.8 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is May (4.6 days).
Average UV index in September
Kiongwe, Kenya
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Kiongwe, Kenya
- Average cloud cover in September: 40
The month with the most cloud cover is May (Cloud cover 46).
The months with the least cloud cover are January and February (Cloud cover 24).
Average visibility in September
Kiongwe, 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).





