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
Weather in September
Temperature
The initiation of September sees an average high-temperature of a still warm 25.8°C (78.4°F), showing minor variations from the previous month. In Mumias, September is marked by an average low-temperature of 14.5°C (58.1°F).Humidity
In September, the average relative humidity is 76%.Rainfall
In Mumias, in September, during 17.4 rainfall days, 51mm (2.01") of precipitation is typically accumulated. In Mumias, during the entire year, the rain falls for 240.6 days and collects up to 1133mm (44.61") of precipitation.Daylight
In September, the average length of the day in Mumias is 12h and 7min.On the first day of the month, sunrise is at 06:38 and sunset at 18:45. On the last day of September, sunrise is at 06:28 and sunset at 18:35 EAT.
Sunshine
The average sunshine in September in Mumias is 9.7h.UV index
The months with the lowest UV index are April through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 5 during September leads to these instructions:
Heed the precautions - It is counselled to guard against solar damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the temperature in September in Mumias?
What is the average humidity in September in Mumias?
How many days does it rain in September in Mumias?
How many hours of daylight does Mumias have in September?
When are sunrise and sunset in September in Mumias?
How many hours of sunshine does Mumias have in September?
What is the month with the lowest UV index in Mumias?
How high is the UV index in September in Mumias?
Average temperature in September
Mumias, Kenya
- Average high temperature in September: 25.8°C
The warmest month (with the highest average high temperature) is February (29.8°C).
The month with the lowest average high temperature is July (23.3°C).
- Average low temperature in September: 14.5°C
The month with the highest average low temperature is February (16.3°C).
The coldest month (with the lowest average low temperature) is June (13.7°C).
Average pressure in September
Mumias, Kenya
- Average pressure in September: 1013.8mbar
The months with the highest atmospheric pressure are June and July (1015.2mbar).
The month with the lowest atmospheric pressure is February (1011.9mbar).
Average wind speed in September
Mumias, Kenya
- Average wind speed in September: 5.9km/h
The windiest month (with the highest average wind speed) is February (9.8km/h).
The calmest month (with the lowest average wind speed) is June (5.4km/h).
Average humidity in September
Mumias, Kenya
- Average humidity in September: 76%
The months with the highest relative humidity are May and June (85%).
The month with the lowest relative humidity is February (54%).
Average rainfall in September
Mumias, Kenya
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is May (175mm).
The driest month (with the least rainfall) is February (35mm).
Average rainfall days in September
Mumias, Kenya
- Average rainfall days in September: 17.4 days
The month with the highest number of rainy days is May (25.9 days).
The month with the least rainy days is February (10.8 days).
Average daylight in September /
Average sunshine in September
Mumias, Kenya
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are January and December (Average daylight: 12h and 6min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is February (Average sunshine: 9h and 48min).
The month with the least sunshine is May (Average sunshine: 8h and 48min).
Average sunshine days in September
Mumias, Kenya
- Average sunshine days in September: 11.1 days
The month with the most sunshine days is January (14.9 days).
The month with the least sunshine days is May (4.3 days).
Average UV index in September
Mumias, Kenya
- Average UV index in September: 5
The months with the highest UV index are January, February and March (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in September
Mumias, Kenya
- Average cloud cover in September: 24
The month with the most cloud cover is May (Cloud cover 41).
The month with the least cloud cover is February (Cloud cover 13).
Average visibility in September
Mumias, Kenya
- Average visibility in September: 9km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are May and June (8km).
Mumias, Kenya
Weather forecast for your location
2. Allow the app to use your location
