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
September
Weather in September
Temperature
The start of September marks an average high-temperature of a still warm 27.8°C (82°F), hardly distinguishable from the conditions in August. The low temperature average during September reflects a slight decrease to a still warm 23.8°C (74.8°F) from the day's peak.Heat index
The heat index in September is computed to be a hot 31°C (87.8°F). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.Consider that heat index readings are for situations in the shade and 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 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
In Mambrui, Kenya, the average relative humidity in September is 75%.Rainfall
In Mambrui, in September, it is raining for 13.4 days, with typically 17mm (0.67") of accumulated precipitation. Throughout the year, there are 184.6 rainfall days, and 473mm (18.62") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 5min.On the first day of the month, sunrise is at 06:17 and sunset at 18:20. On the last day of September, in Mambrui, Kenya, sunrise is at 06:05 and sunset at 18:13 EAT.
Sunshine
The average sunshine in September in Mambrui is 8.8h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Mambrui. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, the UV index of 7 transforms into the following advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Mambrui?
What is the average humidity in September in Mambrui?
How many days does it rain in September in Mambrui?
How many hours of daylight does Mambrui have in September?
When is the sunrise / sunset in September in Mambrui?
How long on average sun shines in September in Mambrui?
What is the month with the highest UV index in Mambrui?
What is the month with the lowest UV index in Mambrui?
What is the UV index reading in September in Mambrui?
Average temperature in September
Mambrui, Kenya
- Average high temperature in September: 27.8°C
The warmest month (with the highest average high temperature) is March (30.9°C).
The month with the lowest average high temperature is July (27.4°C).
- Average low temperature in September: 23.8°C
The month with the highest average low temperature is April (26.4°C).
The coldest months (with the lowest average low temperature) are August and September (23.8°C).
Average pressure in September
Mambrui, Kenya
- Average pressure in September: 1014.7mbar
The month with the highest atmospheric pressure is July (1015.5mbar).
The month with the lowest atmospheric pressure is March (1010.2mbar).
Average wind speed in September
Mambrui, Kenya
- Average wind speed in September: 23.6km/h
The windiest month (with the highest average wind speed) is July (28.9km/h).
The calmest month (with the lowest average wind speed) is November (14.6km/h).
Average humidity in September
Mambrui, Kenya
- Average humidity in September: 75%
The months with the highest relative humidity are January, February, October and November (77%).
The month with the lowest relative humidity is July (73%).
Average rainfall in September
Mambrui, Kenya
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is December (78mm).
The driest month (with the least rainfall) is February (14mm).
Average rainfall days in September
Mambrui, Kenya
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is December (23.6 days).
The month with the least rainy days is February (7.2 days).
Average daylight in September /
Average sunshine in September
Mambrui, 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: 11h and 54min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is November (Average sunshine: 10h and 54min).
The months with the least sunshine are February and May (Average sunshine: 8h and 6min).
Average sunshine days in September
Mambrui, Kenya
- Average sunshine days in September: 11.1 days
The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is December (4.7 days).
Average UV index in September
Mambrui, Kenya
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Mambrui, Kenya
- Average cloud cover in September: 38
The month with the most cloud cover is May (Cloud cover 43).
The month with the least cloud cover is December (Cloud cover 28).
Average visibility in September
Mambrui, 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).
