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
With the transition into September, Kalii notes an average high-temperature of a still warm 29°C (84.2°F), closely resembling August. The anticipated average low-temperature for September in Kalii, a refreshing 16.8°C (62.2°F), shows a substantial deviation from the daytime maximums.Heat index
The average heat index in September is calculated to be a hot 31°C (87.8°F). With extended exposure and activity, one might feel exhausted and experience heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
September is the least humid month, with an average relative humidity of 59%.Rainfall
In Kalii, Kenya, in September, it is raining for 3.9 days, with typically 3mm (0.12") of accumulated precipitation. Throughout the year, in Kalii, there are 177.5 rainfall days, and 606mm (23.86") of precipitation is accumulated.Daylight
In Kalii, Kenya, the average length of the day in September is 12h and 6min.On the first day of September, sunrise is at 06:26 and sunset at 18:31. On the last day of the month, sunrise is at 06:14 and sunset at 18:22 EAT.
Sunshine
The average sunshine in September in Kalii is 9.6h.UV index
January through December, with an average maximum UV index of 6, are months with the highest UV index. The months with the lowest UV index in Kalii are January through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
How hot is it in Kalii in September?
What is the least humid month in Kalii?
What is the average humidity in September in Kalii?
How much does it rain in Kalii in September?
What is the average length of the day in September in Kalii?
When is the sunrise / sunset in September in Kalii?
How many hours of sunshine does Kalii have in September?
What are the months with the highest UV index in Kalii?
When is the lowest UV index in Kalii?
How high is the UV index in September in Kalii?
Average temperature in September
Kalii, Kenya
- Average high temperature in September: 29°C
The warmest month (with the highest average high temperature) is October (29.6°C).
The month with the lowest average high temperature is December (26.6°C).
- Average low temperature in September: 16.8°C
The month with the highest average low temperature is March (18.9°C).
The coldest month (with the lowest average low temperature) is July (15.6°C).
Average pressure in September
Kalii, Kenya
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is July (1016.5mbar).
The month with the lowest atmospheric pressure is February (1012mbar).
Average wind speed in September
Kalii, Kenya
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is September (12km/h).
The calmest month (with the lowest average wind speed) is December (6.5km/h).
Average humidity in September
Kalii, Kenya
- Average humidity in September: 59%
The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is September (59%).
Average rainfall in September
Kalii, Kenya
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is November (121mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Kalii, Kenya
- Average rainfall days in September: 3.9 days
The month with the highest number of rainy days is December (26.6 days).
The month with the least rainy days is July (2.4 days).
Average daylight in September /
Average sunshine in September
Kalii, 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 4min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 8h and 30min).
Average sunshine days in September
Kalii, Kenya
- Average sunshine days in September: 23.6 days
The month with the most sunshine days is July (28.1 days).
The month with the least sunshine days is April (3 days).
Average UV index in September
Kalii, Kenya
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Kalii, Kenya
- Average cloud cover in September: 30
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Kalii, Kenya
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, April, November and December (8km).
Kalii, Kenya
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