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
September's presence records an average high-temperature of a still warm 25.5°C (77.9°F), closely mirroring August's climate. Throughout the month of September, Giagithu witnesses an average low-temperature of 13.9°C (57°F).Humidity
In September, the average relative humidity in Giagithu is 67%.Rainfall
In Giagithu, in September, it is raining for 16.3 days, with typically 35mm (1.38") of accumulated precipitation. Throughout the year, there are 213.5 rainfall days, and 642mm (25.28") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 7min.On the first day of September in Giagithu, sunrise is at 06:29 and sunset at 18:35. On the last day of the month, sunrise is at 06:18 and sunset at 18:26 EAT.
Sunshine
The average sunshine in September is 9.3h.UV index
The month with the highest UV index is September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 6 translates into these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Giagithu?
What is the average humidity in September in Giagithu?
How much does it rain in Giagithu in September?
What is the average length of the day in September in Giagithu?
When is the sunrise / sunset in September in Giagithu?
How many hours of sunshine does Giagithu have in September?
When is the highest UV index in Giagithu?
What is the UV index reading in September in Giagithu?
Average temperature in September
Giagithu, Kenya
- Average high temperature in September: 25.5°C
The warmest months (with the highest average high temperature) are February and March (27.3°C).
The months with the lowest average high temperature are June and July (23.3°C).
- Average low temperature in September: 13.9°C
The month with the highest average low temperature is April (14.9°C).
The coldest month (with the lowest average low temperature) is July (12.6°C).
Average pressure in September
Giagithu, Kenya
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is July (1016.6mbar).
The months with the lowest atmospheric pressure are February and March (1013.4mbar).
Average wind speed in September
Giagithu, Kenya
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is February (10.5km/h).
The calmest month (with the lowest average wind speed) is June (5.4km/h).
Average humidity in September
Giagithu, Kenya
- Average humidity in September: 67%
The month with the highest relative humidity is May (84%).
The month with the lowest relative humidity is February (65%).
Average rainfall in September
Giagithu, Kenya
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is April (117mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in September
Giagithu, Kenya
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is May (25.3 days).
The month with the least rainy days is January (8.5 days).
Average daylight in September /
Average sunshine in September
Giagithu, Kenya
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 6min).
- Average sunshine in September: 9h and 2min
The months with the most sunshine are January and February (Average sunshine: 9h and 42min).
The month with the least sunshine is May (Average sunshine: 8h and 42min).
Average sunshine days in September
Giagithu, Kenya
- Average sunshine days in September: 9.9 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is April (3.3 days).
Average UV index in September
Giagithu, Kenya
- Average UV index in September: 6
The month with the highest UV index is September (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 5).
Average cloud cover in September
Giagithu, Kenya
- Average cloud cover in September: 37
The month with the most cloud cover is May (Cloud cover 53).
The month with the least cloud cover is February (Cloud cover 24).
Average visibility in September
Giagithu, Kenya
- Average visibility in September: 10km
The month with the highest visibility is September (10km).
The months with the lowest visibility are April, May, November and December (7km).
