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
September ushers in an average high-temperature of a still warm 29°C (84.2°F), aligning closely with the preceding month. Athi sees a major change from daytime highs, with the nighttime temperature dipping to a comfortable 16.8°C (62.2°F) on average during September.Heat index
September's average heat index is appraised at a hot 31°C (87.8°F). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.The heat index's values are generally associated with conditions in shade and light breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
The least humid month is September, with an average relative humidity of 59%.Rainfall
In Athi, in September, during 3.9 rainfall days, 3mm (0.12") of precipitation is typically accumulated. Throughout the year, there are 177.5 rainfall days, and 606mm (23.86") of precipitation is accumulated.Daylight
The average length of the day in September in Athi is 12h and 6min.On the first day of September, sunrise is at 06:25 and sunset at 18:29. On the last day of the month, sunrise is at 06:13 and sunset at 18:21 EAT.
Sunshine
The average sunshine in September in Athi is 9.6h.UV index
January through December, with an average maximum UV index of 6, are months with the highest UV index. January through December, with an average maximum UV index of 6, are months with the lowest UV index in Athi. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
How hot does it get in Athi in September?
What is the least humid month in Athi?
What is the average humidity in September in Athi?
How many days does it rain in September in Athi?
What is the average length of the day in September in Athi?
When are sunrise and sunset in September in Athi?
How long on average sun shines in September in Athi?
What is the month with the highest UV index in Athi?
What is the month with the lowest UV index in Athi?
How high is the UV index in September in Athi?
Average temperature in September
Athi, 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
Athi, 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
Athi, 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
Athi, 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
Athi, 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
Athi, 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
Athi, Kenya
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 18min).
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
Athi, 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
Athi, 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
Athi, 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
Athi, 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).
Athi, Kenya
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