September weather forecastNangina, Kenya
September
Weather in September
September, the first month of the autumn in Nangina, is still a warm month, with an average temperature fluctuating between 27.2°C (81°F) and 16.1°C (61°F).Temperature
The average high-temperature in September, at a still warm 27.2°C (81°F), reveals a modest deviation from August's 26.2°C (79.2°F). Throughout the nights in September, Nangina experiences an average low-temperature of 16.1°C (61°F).Heat index
For most parts of September, the heat index is calculated to be a tropical 30°C (86°F). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful 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
In September, the average relative humidity in Nangina is 77%.Rainfall
In Nangina, in September, it is raining for 27.5 days, with typically 120mm (4.72") of accumulated precipitation. Throughout the year, there are 300.8 rainfall days, and 1573mm (61.93") of precipitation is accumulated.Snowfall
September is the only month when snow falls in Nangina. The month with the most snowfall in Nangina, Kenya, is September, when snow falls for 0.1 days and typically aggregates up to 1mm (0.04") of snow.Daylight
The average length of the day in September in Nangina is 12h and 7min.On the first day of the month, sunrise is at 06:39 and sunset at 18:47. On the last day of September, sunrise is at 06:30 and sunset at 18:36 EAT.
Sunshine
In September, the average sunshine is 9.4h.UV index
The months with the highest UV index in Nangina are January through March, September, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the UV index of 6 transforms into the following advice:
Deter overexposure. Protecting against the sun's effects is essential. 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. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nangina, Kenya
- Average high temperature in September: 27.2°C
The warmest month (with the highest average high temperature) is February (31.3°C).
The month with the lowest average high temperature is June (25.2°C).
- Average low temperature in September: 16.1°C
The month with the highest average low temperature is February (17.6°C).
The coldest month (with the lowest average low temperature) is July (15.5°C).
Average pressure in September
Nangina, Kenya
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is July (1014.6mbar).
The month with the lowest atmospheric pressure is February (1010.8mbar).
Average wind speed in September
Nangina, Kenya
- Average wind speed in September: 4.6km/h
The windiest month (with the highest average wind speed) is February (6.7km/h).
The calmest months (with the lowest average wind speed) are August and September (4.6km/h).
Average humidity in September
Nangina, Kenya
- Average humidity in September: 77%
The month with the highest relative humidity is May (85%).
The month with the lowest relative humidity is February (55%).
Average rainfall in September
Nangina, Kenya
- Average rainfall in September: 120mm
The wettest month (with the highest rainfall) is May (257mm).
The driest month (with the least rainfall) is February (36mm).
Average rainfall days in September
Nangina, Kenya
- Average rainfall days in September: 27.5 days
The month with the highest number of rainy days is May (30.6 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in September
Nangina, Kenya
- Average snowfall in September: 1mm
The month with the highest snowfall is September (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0mm).
Average snowfall days in September
Nangina, Kenya
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Nangina, Kenya
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 6min).
The month with the shortest days is November (Average daylight: 12h and 6min).
- Average sunshine in September: 9h and 24min
The months with the most sunshine are January and February (Average sunshine: 9h and 48min).
The month with the least sunshine is May (Average sunshine: 8h and 30min).
Average sunshine days in September
Nangina, Kenya
- Average sunshine days in September: 0.6 days
The month with the most sunshine days is January (13.7 days).
The month with the least sunshine days is June (0.2 days).
Average UV index in September
Nangina, Kenya
- Average UV index in September: 6
The months with the highest UV index are January, February, March, September, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August and October (UV index 5).
Average cloud cover in September
Nangina, Kenya
- Average cloud cover in September: 29
The month with the most cloud cover is May (Cloud cover 44).
The month with the least cloud cover is February (Cloud cover 14).
Average visibility in September
Nangina, Kenya
- Average visibility in September: 9km
The months with the highest visibility are January, February and March (10km).
The months with the lowest visibility are April, May and June (8km).
