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
The average high-temperature in Isiolo during September is a still pleasant 22.9°C (73.2°F), almost matching the conditions of the preceding month. Isiolo anticipates an average minimum temperature of 13.8°C (56.8°F) in the month of September.Humidity
February and September, with an average relative humidity of 69%, are the least humid months in Isiolo.Rainfall
In Isiolo, in September, it is raining for 24.1 days, with typically 65mm (2.56") of accumulated precipitation. In Isiolo, Kenya, during the entire year, the rain falls for 304.7 days and collects up to 1436mm (56.54") of precipitation.Daylight
In September, the average length of the day in Isiolo is 12h and 7min.On the first day of the month, sunrise is at 06:25 and sunset at 18:33. On the last day of September, sunrise is at 06:16 and sunset at 18:22 EAT.
Sunshine
The month with the most sunshine in Isiolo is September, with an average of 9.6h of sunshine.UV index
The months with the highest UV index in Isiolo are January through March, May through October and December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 5 in September transforms into this advice:
Exercise prevention - Protecting skin and eyes from harm is required. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Isiolo?
What is the least humid month in Isiolo?
What is the average humidity in September in Isiolo?
How much does it rain in Isiolo in September?
How many hours of daylight does Isiolo have in September?
When are sunrise and sunset in September in Isiolo?
What month has the most sunshine in Isiolo?
How many hours of sunshine does Isiolo have in September?
When is the highest UV index in Isiolo?
How high is the UV index in September in Isiolo?
Average temperature in September
Isiolo, Kenya
- Average high temperature in September: 22.9°C
The warmest month (with the highest average high temperature) is March (24.2°C).
The months with the lowest average high temperature are July and November (21.5°C).
- Average low temperature in September: 13.8°C
The months with the highest average low temperature are April and October (14.7°C).
The coldest month (with the lowest average low temperature) is January (12.3°C).
Average pressure in September
Isiolo, Kenya
- Average pressure in September: 1014.5mbar
The month with the highest atmospheric pressure is July (1015.4mbar).
The month with the lowest atmospheric pressure is March (1012.3mbar).
Average wind speed in September
Isiolo, Kenya
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is August (10.4km/h).
The calmest month (with the lowest average wind speed) is December (5.7km/h).
Average humidity in September
Isiolo, Kenya
- Average humidity in September: 69%
The months with the highest relative humidity are November and December (82%).
The months with the lowest relative humidity are February and September (69%).
Average rainfall in September
Isiolo, Kenya
- Average rainfall in September: 65mm
The wettest month (with the highest rainfall) is April (235mm).
The driest month (with the least rainfall) is July (57mm).
Average rainfall days in September
Isiolo, Kenya
- Average rainfall days in September: 24.1 days
The month with the highest number of rainy days is November (29.2 days).
The month with the least rainy days is February (18.5 days).
Average daylight in September /
Average sunshine in September
Isiolo, Kenya
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 6min).
The month with the shortest days is December (Average daylight: 12h and 6min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is September (Average sunshine: 9h and 36min).
The month with the least sunshine is November (Average sunshine: 8h and 24min).
Average sunshine days in September
Isiolo, Kenya
- Average sunshine days in September: 2.6 days
The month with the most sunshine days is January (7.2 days).
The month with the least sunshine days is November (0.5 days).
Average UV index in September
Isiolo, Kenya
- Average UV index in September: 5
The months with the highest UV index are January, February, March, May, June, July, August, September, October and December (UV index 5).
The months with the lowest UV index are April and November (UV index 4).
Average cloud cover in September
Isiolo, Kenya
- Average cloud cover in September: 31
The month with the most cloud cover is November (Cloud cover 45).
The months with the least cloud cover are January and February (Cloud cover 24).
Average visibility in September
Isiolo, Kenya
- Average visibility in September: 10km
The months with the highest visibility are January, February, June, August and September (10km).
The months with the lowest visibility are April and November (8km).
Isiolo, Kenya
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