September weather forecastChegeini, Kenya

September

Weather in September

The first month of the spring, September, is also a moderately hot month in Chegeini, Kenya, with an average temperature ranging between min 13.9°C (57°F) and max 25.5°C (77.9°F).

Temperature

The introduction of September notes a subtle temperature variation to a still warm 25.5°C (77.9°F) from August's 23.8°C (74.8°F). Throughout the month of September, Chegeini observes an average nighttime temperature of 13.9°C (57°F).

Humidity

In Chegeini, the average relative humidity in September is 67%.

Rainfall

In Chegeini, during September, the rain falls for 16.3 days and regularly aggregates up to 35mm (1.38") of precipitation. Throughout the year, in Chegeini, Kenya, there are 213.5 rainfall days, and 642mm (25.28") of precipitation is accumulated.

Daylight

The average length of the day in September in Chegeini is 12h and 7min.
On the first day of the month, sunrise is at 06:29 and sunset at 18:35. On the last day of September, in Chegeini, Kenya, sunrise is at 06:18 and sunset at 18:25 EAT.

Sunshine

In September, the average sunshine in Chegeini is 9.3h.

UV index

With an average maximum UV index of 6, September is the month with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 in September interprets into the following advice:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in September, in Chegeini, records 25.5°C (77.9°F), while the low-temperature is 13.9°C (57°F). In March, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 29°C (84.2°F).

In September, the average relative humidity in Chegeini, Kenya, is 67%.

In Chegeini, in September, during 16.3 rainfall days, 35mm (1.38") of precipitation is typically accumulated.

In Chegeini, the average day length in September is 12h and 7min.

In September, on the first day of the month, 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 18:25 EAT.

In September, the average sunshine duration in Chegeini is 9.3h.

September is the month with the highest UV index, with an average maximum UV index of 6.

The average daily maximum UV index in September in Chegeini, Kenya, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

23.8°C

25.5°C

25.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.4km/h

7.8km/h

9.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

8.9

9.9

7.5

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Chegeini, 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
Chegeini, 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
Chegeini, 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
Chegeini, 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
Chegeini, 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
Chegeini, 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
Chegeini, Kenya

Average daylight in September: 12h and 6min

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 18min

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
Chegeini, 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
Chegeini, 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).