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
September
Weather in September
Temperature
The transition into September marks the average high-temperature at a still moderately hot 24.6°C (76.3°F), differing minimally from August's 23°C (73.4°F). Ngong cools down to an average low-temperature of 14.2°C (57.6°F) throughout the month of September.Humidity
In Ngong, the average relative humidity in September is 67%.Rainfall
In Ngong, Kenya, in September, during 16.5 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, in Ngong, there are 241.5 rainfall days, and 676mm (26.61") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 6min.On the first day of the month, sunrise is at 06:30 and sunset at 18:35. On the last day of September, in Ngong, Kenya, sunrise is at 06:19 and sunset at 18:26 EAT.
Sunshine
In Ngong, the average sunshine in September is 9.4h.UV index
With an average maximum UV index of 6, September is the month with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 6 transforms into these recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ngong in September?
What is the average humidity in September in Ngong?
How many days does it rain in September in Ngong?
How many hours of daylight does Ngong have in September?
When are sunrise and sunset in September in Ngong?
How long on average sun shines in September in Ngong?
What is the month with the highest UV index in Ngong?
How high is the UV index in September in Ngong?
Average temperature in September
Ngong, Kenya
- Average high temperature in September: 24.6°C
The warmest month (with the highest average high temperature) is February (27°C).
The month with the lowest average high temperature is June (22.4°C).
- Average low temperature in September: 14.2°C
The month with the highest average low temperature is April (15.6°C).
The coldest month (with the lowest average low temperature) is July (12.7°C).
Average pressure in September
Ngong, Kenya
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is July (1016.8mbar).
The months with the lowest atmospheric pressure are February and March (1013.4mbar).
Average wind speed in September
Ngong, Kenya
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is February (11.8km/h).
The calmest month (with the lowest average wind speed) is June (6.1km/h).
Average humidity in September
Ngong, Kenya
- Average humidity in September: 67%
The month with the highest relative humidity is May (84%).
The month with the lowest relative humidity is February (65%).
Average rainfall in September
Ngong, Kenya
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is April (125mm).
The driest month (with the least rainfall) is January (28mm).
Average rainfall days in September
Ngong, Kenya
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is May (27.7 days).
The month with the least rainy days is January (12.3 days).
Average daylight in September /
Average sunshine in September
Ngong, Kenya
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 0min).
- Average sunshine in September: 9h and 2min
The months with the most sunshine are January and February (Average sunshine: 9h and 36min).
The months with the least sunshine are April and May (Average sunshine: 8h and 30min).
Average sunshine days in September
Ngong, Kenya
- Average sunshine days in September: 10.3 days
The month with the most sunshine days is January (15.3 days).
The month with the least sunshine days is April (1.9 days).
Average UV index in September
Ngong, Kenya
- Average UV index in September: 6
The month with the highest UV index is September (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 5).
Average cloud cover in September
Ngong, Kenya
- Average cloud cover in September: 36
The month with the most cloud cover is May (Cloud cover 54).
The month with the least cloud cover is February (Cloud cover 25).
Average visibility in September
Ngong, Kenya
- Average visibility in September: 10km
The months with the highest visibility are September and October (10km).
The months with the lowest visibility are April and May (7km).
