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 shift to September signals an average high-temperature of a still moderately hot 25.5°C (77.9°F), subtly varied from August's 23.8°C (74.8°F). Throughout September, an average low-temperature of 14.8°C (58.6°F) is expected in Iiuni.Humidity
September is the least humid month in Iiuni, Kenya, with an average relative humidity of 66%.Rainfall
September is the month with the least rainfall in Iiuni. Rain falls for 5.5 days and accumulates 5mm (0.2") of precipitation.Daylight
In September, the average length of the day in Iiuni is 12h and 6min.On the first day of the month, sunrise is at 06:27 and sunset at 18:32. On the last day of September, sunrise is at 06:16 and sunset at 18:24 EAT.
Sunshine
The month with the most sunshine in Iiuni, Kenya, is September, with an average of 9.3h of sunshine.UV index
The months with the highest UV index are January, February and September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 6 in September leads to these recommendations:
Deflect overexposure. Sun protection is a necessity. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Iiuni?
What is the least humid month in Iiuni?
What is the average humidity in September in Iiuni?
What is the driest month in Iiuni?
How much does it rain in Iiuni in September?
What is the average length of the day in September in Iiuni?
When are sunrise and sunset in September in Iiuni?
What month has the most sunshine in Iiuni?
How many hours of sunshine does Iiuni have in September?
When is the highest UV index in Iiuni?
What is the UV index reading in September in Iiuni?
Average temperature in September
Iiuni, Kenya
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is March (26.7°C).
The month with the lowest average high temperature is June (23.2°C).
- Average low temperature in September: 14.8°C
The month with the highest average low temperature is April (16.4°C).
The coldest month (with the lowest average low temperature) is July (12.9°C).
Average pressure in September
Iiuni, Kenya
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is July (1016.7mbar).
The months with the lowest atmospheric pressure are February and March (1013mbar).
Average wind speed in September
Iiuni, Kenya
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is October (10.4km/h).
The calmest month (with the lowest average wind speed) is June (6.8km/h).
Average humidity in September
Iiuni, Kenya
- Average humidity in September: 66%
The months with the highest relative humidity are May and December (84%).
The month with the lowest relative humidity is September (66%).
Average rainfall in September
Iiuni, Kenya
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is April (102mm).
The driest month (with the least rainfall) is September (5mm).
Average rainfall days in September
Iiuni, Kenya
- Average rainfall days in September: 5.5 days
The month with the highest number of rainy days is November (24.4 days).
The month with the least rainy days is September (5.5 days).
Average daylight in September /
Average sunshine in September
Iiuni, 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 month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is April (Average sunshine: 8h and 12min).
Average sunshine days in September
Iiuni, Kenya
- Average sunshine days in September: 20.4 days
The month with the most sunshine days is September (20.4 days).
The month with the least sunshine days is November (3.8 days).
Average UV index in September
Iiuni, Kenya
- Average UV index in September: 6
The months with the highest UV index are January, February and September (UV index 6).
The months with the lowest UV index are March, April, May, June, July, August, October, November and December (UV index 5).
Average cloud cover in September
Iiuni, Kenya
- Average cloud cover in September: 38
The month with the most cloud cover is April (Cloud cover 59).
The month with the least cloud cover is February (Cloud cover 32).
Average visibility in September
Iiuni, Kenya
- Average visibility in September: 10km
The month with the highest visibility is September (10km).
The month with the lowest visibility is May (6km).
