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 average high-temperature in September, at a warm 23°C (73.4°F), reveals a modest deviation from August's 21.8°C (71.2°F). Against the backdrop of high daytime temperatures, an average low-temperature of 10.7°C (51.3°F) is noted during September nights.Humidity
The average relative humidity in September in Gathundia is 71%.Rainfall
In Gathundia, Kenya, in September, it is raining for 18.9 days, with typically 51mm (2.01") of accumulated precipitation. Throughout the year, there are 206.3 rainfall days, and 657mm (25.87") of precipitation is accumulated.Daylight
In Gathundia, the average length of the day in September is 12h and 7min.On the first day of the month, sunrise is at 06:31 and sunset at 18:38. On the last day of September, sunrise is at 06:21 and sunset at 18:28 EAT.
Sunshine
In Gathundia, the average sunshine in September is 9.6h.UV index
The months with the highest UV index are January through May, August through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Ensure safety - Sun damage prevention is strongly urged. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in Gathundia in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September in Gathundia?
What are the months with the highest UV index?
What is the UV index reading in September?
Average temperature in September
Gathundia, Kenya
- Average high temperature in September: 23°C
The warmest month (with the highest average high temperature) is March (24.8°C).
The month with the lowest average high temperature is July (20.9°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is April (12.2°C).
The coldest month (with the lowest average low temperature) is January (9.9°C).
Average pressure in September
Gathundia, Kenya
- Average pressure in September: 1015.2mbar
The month with the highest atmospheric pressure is July (1016.4mbar).
The month with the lowest atmospheric pressure is February (1013.6mbar).
Average wind speed in September
Gathundia, Kenya
- Average wind speed in September: 7.1km/h
The windiest month (with the highest average wind speed) is February (8.6km/h).
The calmest month (with the lowest average wind speed) is June (6.5km/h).
Average humidity in September
Gathundia, Kenya
- Average humidity in September: 71%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is February (59%).
Average rainfall in September
Gathundia, Kenya
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is August (94mm).
The driest month (with the least rainfall) is February (18mm).
Average rainfall days in September
Gathundia, Kenya
- Average rainfall days in September: 18.9 days
The month with the highest number of rainy days is August (24 days).
The month with the least rainy days is February (5.8 days).
Average daylight in September /
Average sunshine in September
Gathundia, Kenya
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 6min).
The months with the shortest days are May and July (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 July (Average sunshine: 9h and 0min).
Average sunshine days in September
Gathundia, Kenya
- Average sunshine days in September: 4.6 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is August (3.2 days).
Average UV index in September
Gathundia, Kenya
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 5).
The months with the lowest UV index are June and July (UV index 4).
Average cloud cover in September
Gathundia, Kenya
- Average cloud cover in September: 23
The month with the most cloud cover is July (Cloud cover 37).
The month with the least cloud cover is February (Cloud cover 15).
Average visibility in September
Gathundia, Kenya
- Average visibility in September: 9km
The months with the highest visibility are February and March (10km).
The months with the lowest visibility are May and July (8km).
