September weather forecastBartolimo, Kenya
September
Weather in September
The first month of the autumn, September, is a moderately hot month in Bartolimo, Kenya, with an average temperature fluctuating between 23.2°C (73.8°F) and 11.5°C (52.7°F).Temperature
On the advent of September, Bartolimo's average high-temperature exhibits a minor adjustment to a warm 23.2°C (73.8°F) from August's 21.4°C (70.5°F). In the month of September, the nighttime temperature in Bartolimo, Kenya, dips to a steady average of 11.5°C (52.7°F).Humidity
The average relative humidity in September is 76%.Rainfall
In Bartolimo, during September, the rain falls for 22.4 days and regularly aggregates up to 99mm (3.9") of precipitation. Throughout the year, in Bartolimo, there are 233.9 rainfall days, and 1121mm (44.13") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 7min.On the first day of September, sunrise is at 06:32 and sunset at 18:40. On the last day of the month, sunrise is at 06:23 and sunset at 18:29 EAT.
Sunshine
In September, the average sunshine in Bartolimo is 9.5h.UV index
The months with the highest UV index in Bartolimo are January through May, July, September through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bartolimo, Kenya
- Average high temperature in September: 23.2°C
The warmest month (with the highest average high temperature) is February (26.4°C).
The month with the lowest average high temperature is July (20.8°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is March (13.1°C).
The coldest month (with the lowest average low temperature) is June (10.9°C).
Average pressure in September
Bartolimo, Kenya
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is July (1015.4mbar).
The month with the lowest atmospheric pressure is February (1012.3mbar).
Average wind speed in September
Bartolimo, Kenya
- Average wind speed in September: 4.7km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is June (3.8km/h).
Average humidity in September
Bartolimo, Kenya
- Average humidity in September: 76%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is February (54%).
Average rainfall in September
Bartolimo, Kenya
- Average rainfall in September: 99mm
The wettest month (with the highest rainfall) is April (160mm).
The driest month (with the least rainfall) is February (21mm).
Average rainfall days in September
Bartolimo, Kenya
- Average rainfall days in September: 22.4 days
The month with the highest number of rainy days is August (25.8 days).
The month with the least rainy days is January (7.3 days).
Average daylight in September /
Average sunshine in September
Bartolimo, Kenya
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 6min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is February (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 8h and 48min).
Average sunshine days in September
Bartolimo, Kenya
- Average sunshine days in September: 5.3 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is August (3.7 days).
Average UV index in September
Bartolimo, Kenya
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, July, September, October, November and December (UV index 5).
The months with the lowest UV index are June and August (UV index 4).
Average cloud cover in September
Bartolimo, Kenya
- Average cloud cover in September: 26
The month with the most cloud cover is July (Cloud cover 43).
The month with the least cloud cover is February (Cloud cover 12).
Average visibility in September
Bartolimo, Kenya
- Average visibility in September: 9km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are May, June, July and August (8km).
