September weather forecastBute Helu, Kenya
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Bute Helu, Kenya, with temperature in the range of an average low of 19.5°C (67.1°F) and an average high of 28.2°C (82.8°F).Temperature
Bute Helu's transition from August to September introduces an average high-temperature of a still moderately hot 28.2°C (82.8°F), marking an insignificant variation from the 26.8°C (80.2°F). Bute Helu in September experiences a low-temperature average of 19.5°C (67.1°F).Heat index
In September, the average heat index is estimated at 29°C (84.2°F). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
The average relative humidity in September is 57%.Rainfall
In Bute Helu, in September, during 10.8 rainfall days, 10mm (0.39") of precipitation is typically accumulated. In Bute Helu, during the entire year, the rain falls for 178.8 days and collects up to 681mm (26.81") of precipitation.Daylight
The average length of the day in September in Bute Helu is 12h and 8min.On the first day of the month, sunrise is at 06:15 and sunset at 18:25. On the last day of September, in Bute Helu, Kenya, sunrise is at 06:07 and sunset at 18:13 EAT.
Sunshine
The average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September in Bute Helu is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 6 in September translates into these instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bute Helu, Kenya
- Average high temperature in September: 28.2°C
The warmest month (with the highest average high temperature) is February (31.8°C).
The month with the lowest average high temperature is July (25.9°C).
- Average low temperature in September: 19.5°C
The month with the highest average low temperature is February (21.7°C).
The coldest month (with the lowest average low temperature) is June (18.3°C).
Average pressure in September
Bute Helu, Kenya
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is July (1014.9mbar).
The month with the lowest atmospheric pressure is February (1010.5mbar).
Average wind speed in September
Bute Helu, Kenya
- Average wind speed in September: 16.3km/h
The windiest month (with the highest average wind speed) is August (16.7km/h).
The calmest month (with the lowest average wind speed) is April (10km/h).
Average humidity in September
Bute Helu, Kenya
- Average humidity in September: 57%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is January (37%).
Average rainfall in September
Bute Helu, Kenya
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is April (179mm).
The driest month (with the least rainfall) is January (7mm).
Average rainfall days in September
Bute Helu, Kenya
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is April (27.9 days).
The month with the least rainy days is January (2.9 days).
Average daylight in September /
Average sunshine in September
Bute Helu, Kenya
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is January (Average sunshine: 9h and 48min).
The month with the least sunshine is May (Average sunshine: 5h and 42min).
Average sunshine days in September
Bute Helu, Kenya
- Average sunshine days in September: 15 days
The month with the most sunshine days is January (28 days).
The month with the least sunshine days is April (1.7 days).
Average UV index in September
Bute Helu, Kenya
- Average UV index in September: 6
The months with the highest UV index are January and February (UV index 7).
The months with the lowest UV index are April and May (UV index 5).
Average cloud cover in September
Bute Helu, Kenya
- Average cloud cover in September: 37
The month with the most cloud cover is May (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 12).
Average visibility in September
Bute Helu, Kenya
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, June, July, August, September and December (10km).
The months with the lowest visibility are April, May, October and November (9km).





