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
Kiserian registers an average high-temperature of a still moderately hot 24.6°C (76.3°F) at the commencement of September, closely related to the preceding month. In Kiserian, the nighttime temperature averages to a mild 14.2°C (57.6°F) during September.Humidity
The average relative humidity in September is 67%.Rainfall
In Kiserian, during September, the rain falls for 16.5 days and regularly aggregates up to 31mm (1.22") of precipitation. In Kiserian, during the entire year, the rain falls for 241.5 days and collects up to 676mm (26.61") of precipitation.Daylight
In September, the average length of the day is 12h and 6min.On the first day of September, sunrise is at 06:30 and sunset at 18:35. On the last day of the month, sunrise is at 06:19 and sunset at 18:26 EAT.
Sunshine
In September, the average sunshine is 9.4h.UV index
September is the month with the highest UV index in Kiserian, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 6 during September leads to these advisories:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Kiserian have in September?
When are sunrise and sunset in September in Kiserian?
How many hours of sunshine does Kiserian have in September?
When is the highest UV index?
How high is the UV index in September?
Average temperature in September
Kiserian, 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
Kiserian, 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
Kiserian, 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
Kiserian, 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
Kiserian, 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
Kiserian, 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
Kiserian, 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
Kiserian, 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
Kiserian, 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
Kiserian, 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
Kiserian, 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).
