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 advent of September presents an average high-temperature of a warm 23.2°C (73.8°F), maintaining a close correlation with the preceding month. During September, Biretwo observes a consistent average nighttime temperature of 11.5°C (52.7°F).Humidity
In September, the average relative humidity in Biretwo is 76%.Rainfall
In Biretwo, in September, it is raining for 22.4 days, with typically 99mm (3.9") of accumulated precipitation. Throughout the year, in Biretwo, there are 233.9 rainfall days, and 1121mm (44.13") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 7min.On the first day of September in Biretwo, sunrise is at 06:34 and sunset at 18:41. On the last day of the month, sunrise is at 06:24 and sunset at 18:30 EAT.
Sunshine
In September, the average sunshine is 9.5h.UV index
January through May, July, September through December, with an average maximum UV index of 5, are months with the highest UV index in Biretwo. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Biretwo?
What is the average humidity in September in Biretwo?
How many days does it rain in September in Biretwo?
How many hours of daylight does Biretwo have in September?
What time are sunrise and sunset in September in Biretwo?
How long on average sun shines in September in Biretwo?
When is the highest UV index in Biretwo?
How high is the UV index in September in Biretwo?
Average temperature in September
Biretwo, Kenya
- Average high temperature in September: 23.2°C
The warmest month (with the highest average high temperature) is February (26.4°C).
The month with the lowest average high temperature is July (20.8°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is March (13.1°C).
The coldest month (with the lowest average low temperature) is June (10.9°C).
Average pressure in September
Biretwo, Kenya
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is July (1015.4mbar).
The month with the lowest atmospheric pressure is February (1012.3mbar).
Average wind speed in September
Biretwo, Kenya
- Average wind speed in September: 4.7km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is June (3.8km/h).
Average humidity in September
Biretwo, Kenya
- Average humidity in September: 76%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is February (54%).
Average rainfall in September
Biretwo, Kenya
- Average rainfall in September: 99mm
The wettest month (with the highest rainfall) is April (160mm).
The driest month (with the least rainfall) is February (21mm).
Average rainfall days in September
Biretwo, Kenya
- Average rainfall days in September: 22.4 days
The month with the highest number of rainy days is August (25.8 days).
The month with the least rainy days is January (7.3 days).
Average daylight in September /
Average sunshine in September
Biretwo, Kenya
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 6min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is February (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 8h and 48min).
Average sunshine days in September
Biretwo, Kenya
- Average sunshine days in September: 5.3 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is August (3.7 days).
Average UV index in September
Biretwo, Kenya
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, July, September, October, November and December (UV index 5).
The months with the lowest UV index are June and August (UV index 4).
Average cloud cover in September
Biretwo, Kenya
- Average cloud cover in September: 26
The month with the most cloud cover is July (Cloud cover 43).
The month with the least cloud cover is February (Cloud cover 12).
Average visibility in September
Biretwo, 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, June, July and August (8km).
