September weather forecastMailua, Kenya
September
Weather in September
September, the first month of the spring in Mailua, is still a warm month, with an average temperature fluctuating between 16.8°C (62.2°F) and 29°C (84.2°F).Temperature
The shift into September records an average high-temperature of a still warm 29°C (84.2°F), subtly varied from August's 28.1°C (82.6°F). Mailua, in September, displays a significant temperature downturn during the night, with an average reading of 16.8°C (62.2°F).Heat index
The heat index for September is estimated at a hot 31°C (87.8°F). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
September is the least humid month in Mailua, Kenya, with an average relative humidity of 59%.Rainfall
In Mailua, Kenya, in September, it is raining for 3.9 days, with typically 3mm (0.12") of accumulated precipitation. In Mailua, during the entire year, the rain falls for 177.5 days and collects up to 606mm (23.86") of precipitation.Daylight
In September, the average length of the day in Mailua, Kenya, is 12h and 6min.On the first day of September, sunrise is at 06:29 and sunset at 18:34. On the last day of the month, sunrise is at 06:18 and sunset at 18:25 EAT.
Sunshine
In September, the average sunshine is 9.6h.UV index
January through December, with an average maximum UV index of 6, are months with the highest UV index in Mailua. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mailua, 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
Mailua, 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
Mailua, 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
Mailua, 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
Mailua, 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
Mailua, 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
Mailua, 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: 12h and 0min).
- Average sunshine in September: 9h and 36min
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
Mailua, 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
Mailua, 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
Mailua, 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
Mailua, 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).





