September weather forecastKilifi, Kenya
September
Weather in September
The ninth month in Kilifi, September, experiences a consistency very similar to August. The observance of a nearly constant rainfall from 25mm (0.98") in August to 23mm (0.91") in September strengthens this notion. Interestingly, temperatures rise slightly from the cooler months, suggesting the onset of a warm period ahead. The city's notable wind speeds persist throughout September, keeping the climatic conditions pleasantly breezy. Admittedly, an increase in sea temperature spoils beachgoers for choice, making the beaches a popular destination.Temperature
The dawn of September in Kilifi sees an average high-temperature of a still moderately hot 27.6°C (81.7°F), subtly contrasting with August's 27.3°C (81.1°F). The nighttime temperature demonstrates a marginal decline, averaging at a still moderately hot 23.3°C (73.9°F) during September.Heat index
The average heat index in September is estimated at a tropical 31°C (87.8°F). If one remains active during constant exposure, it might cause exhaustion and heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
In September, the average relative humidity is 76%.Rainfall
In Kilifi, Kenya, during September, the rain falls for 16.1 days and regularly aggregates up to 23mm (0.91") of precipitation. Throughout the year, in Kilifi, there are 211.8 rainfall days, and 587mm (23.11") of precipitation is accumulated.Sea temperature
In Kilifi, Kenya, the average seawater temperature in September is 25.8°C (78.4°F).Note: For swimming, diving, or other water activities, the temperature range of 25°C (77°F) to 29°C (84.2°F) is perceived as exceptionally enjoyable and comfortable even for prolonged periods.
Daylight
In September, the average length of the day is 12h and 5min.On the first day of September in Kilifi, sunrise is at 06:18 and sunset at 18:21. On the last day of the month, sunrise is at 06:06 and sunset at 18:14 EAT.
Sunshine
In September, the average sunshine is 8.7h.UV index
The months with the highest UV index in Kilifi are January through June, August through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 7 in September transforms into the following instructions:
Inhibit overexposure. Warding off sun damage is of utmost importance. 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. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be alert! The reflection of water and sand augments UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kilifi, Kenya
- Average high temperature in September: 27.6°C
The warmest month (with the highest average high temperature) is March (30.7°C).
The month with the lowest average high temperature is July (27°C).
- Average low temperature in September: 23.3°C
The month with the highest average low temperature is March (26.2°C).
The coldest month (with the lowest average low temperature) is August (23.1°C).
Average pressure in September
Kilifi, Kenya
- Average pressure in September: 1015mbar
The month with the highest atmospheric pressure is July (1015.8mbar).
The months with the lowest atmospheric pressure are February and March (1010.4mbar).
Average wind speed in September
Kilifi, Kenya
- Average wind speed in September: 23km/h
The windiest month (with the highest average wind speed) is July (28.2km/h).
The calmest month (with the lowest average wind speed) is December (13.9km/h).
Average humidity in September
Kilifi, Kenya
- Average humidity in September: 76%
The months with the highest relative humidity are January and October (78%).
The month with the lowest relative humidity is July (74%).
Average rainfall in September
Kilifi, Kenya
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is May (94mm).
The driest month (with the least rainfall) is February (17mm).
Average rainfall days in September
Kilifi, Kenya
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is December (24.3 days).
The month with the least rainy days is February (8.8 days).
Average sea temperature in September
Kilifi, Kenya
- Average sea temperature in September: 25.8°C
The best month for swimming (with the highest average sea temperature) is April (29.2°C).
The coldest month (with the lowest average sea temperature) is August (25.4°C).
Average daylight in September /
Average sunshine in September
Kilifi, Kenya
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is November (Average sunshine: 10h and 36min).
The month with the least sunshine is May (Average sunshine: 8h and 6min).
Average sunshine days in September
Kilifi, Kenya
- Average sunshine days in September: 7.7 days
The month with the most sunshine days is February (16.2 days).
The month with the least sunshine days is December (3.9 days).
Average UV index in September
Kilifi, Kenya
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, August, September, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 6).
Average cloud cover in September
Kilifi, Kenya
- Average cloud cover in September: 39
The months with the most cloud cover are May and October (Cloud cover 43).
The month with the least cloud cover is December (Cloud cover 30).
Average visibility in September
Kilifi, Kenya
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).








