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
Weather in September
Temperature
September's advent presents an average high-temperature of a still warm 24.6°C (76.3°F), indicating a slight variation from the conditions of the previous month. Kiambu witnesses an average low-temperature of 14.2°C (57.6°F) throughout the month of September.Humidity
In Kiambu, the average relative humidity in September is 67%.Rainfall
In September, in Kiambu, the rain falls for 16.5 days. Throughout September, 31mm (1.22") of precipitation is accumulated. In Kiambu, Kenya, during the entire year, the rain falls for 241.5 days and collects up to 676mm (26.61") of precipitation.Daylight
The average length of the day in September is 12h and 7min.On the first day of the month, sunrise is at 06:29 and sunset at 18:35. On the last day of September, sunrise is at 06:18 and sunset at 18:26 EAT.
Sunshine
The average sunshine in September in Kiambu is 9.4h.UV index
With an average maximum UV index of 6, September is the month with the highest UV index in Kiambu. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What are the temperatures in Kiambu in September?
What is the average humidity in September in Kiambu?
How many days does it rain in September in Kiambu?
What is the average length of the day in September in Kiambu?
What time are sunrise and sunset in September in Kiambu?
How many hours of sunshine does Kiambu have in September?
When is the highest UV index in Kiambu?
How high is the UV index in September in Kiambu?
Average temperature in September
Kiambu, 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
Kiambu, 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
Kiambu, 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
Kiambu, 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
Kiambu, 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
Kiambu, 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
Kiambu, 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 6min).
- 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
Kiambu, 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
Kiambu, 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
Kiambu, 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
Kiambu, 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).
Kiambu, Kenya
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