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 advent of September brings an average high-temperature of a still agreeable 22.4°C (72.3°F), almost identical to the preceding month. During the month of September, the temperature in Kerisa generally drops to a low average of 11.5°C (52.7°F).Humidity
In Kerisa, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 27.5 days. Throughout September, 140mm (5.51") of precipitation is accumulated. Throughout the year, there are 300.9 rainfall days, and 1768mm (69.61") of precipitation is accumulated.Daylight
In September, the average length of the day in Kerisa is 12h and 7min.On the first day of the month, sunrise is at 06:34 and sunset at 18:40. On the last day of September, sunrise is at 06:24 and sunset at 18:31 EAT.
Sunshine
In Kerisa, the average sunshine in September is 9.3h.UV index
The months with the highest UV index in Kerisa, Kenya, are January through May, August through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Kerisa in September?
What is the average humidity in September in Kerisa?
How much does it rain in Kerisa in September?
What is the average length of the day in September in Kerisa?
When is the sunrise / sunset in September in Kerisa?
How long on average sun shines in September in Kerisa?
When is the highest UV index in Kerisa?
What is the UV index intensity in September in Kerisa?
Average temperature in September
Kerisa, Kenya
- Average high temperature in September: 22.4°C
The warmest month (with the highest average high temperature) is February (25.8°C).
The month with the lowest average high temperature is July (20°C).
- Average low temperature in September: 11.5°C
The months with the highest average low temperature are February and March (12.8°C).
The coldest month (with the lowest average low temperature) is July (10.9°C).
Average pressure in September
Kerisa, Kenya
- Average pressure in September: 1014.7mbar
The months with the highest atmospheric pressure are June and July (1016mbar).
The month with the lowest atmospheric pressure is February (1012.9mbar).
Average wind speed in September
Kerisa, Kenya
- Average wind speed in September: 6km/h
The windiest month (with the highest average wind speed) is February (9.5km/h).
The calmest month (with the lowest average wind speed) is June (5.6km/h).
Average humidity in September
Kerisa, Kenya
- Average humidity in September: 79%
The months with the highest relative humidity are May and June (88%).
The month with the lowest relative humidity is February (61%).
Average rainfall in September
Kerisa, Kenya
- Average rainfall in September: 140mm
The wettest month (with the highest rainfall) is April (246mm).
The driest month (with the least rainfall) is February (48mm).
Average rainfall days in September
Kerisa, Kenya
- Average rainfall days in September: 27.5 days
The month with the highest number of rainy days is May (30.1 days).
The month with the least rainy days is February (13.6 days).
Average daylight in September /
Average sunshine in September
Kerisa, Kenya
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 6min).
The months with the shortest days are May, June and July (Average daylight: 12h and 6min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is February (Average sunshine: 9h and 42min).
The months with the least sunshine are April, May and June (Average sunshine: 8h and 24min).
Average sunshine days in September
Kerisa, Kenya
- Average sunshine days in September: 1.1 days
The month with the most sunshine days is January (11.9 days).
The month with the least sunshine days is May (0.6 days).
Average UV index in September
Kerisa, Kenya
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 5).
The months with the lowest UV index are June and July (UV index 4).
Average cloud cover in September
Kerisa, Kenya
- Average cloud cover in September: 29
The months with the most cloud cover are May and June (Cloud cover 47).
The month with the least cloud cover is February (Cloud cover 15).
Average visibility in September
Kerisa, Kenya
- Average visibility in September: 9km
The months with the highest visibility are January and February (10km).
The month with the lowest visibility is May (7km).
