September weather forecastChemosusu, Kenya

September

Weather in September

The first month of the autumn, September, is also an agreeable month in Chemosusu, Kenya, with an average temperature fluctuating between 22.4°C (72.3°F) and 11.5°C (52.7°F).

Temperature

Entering September, Chemosusu's average high-temperature reads a still agreeable 22.4°C (72.3°F), indicating a close resemblance to the previous month's climate. Nighttime temperature lowers to an average of 11.5°C (52.7°F) in September.

Humidity

In Chemosusu, the average relative humidity in September is 79%.

Rainfall

In Chemosusu, during September, the rain falls for 27.5 days and regularly aggregates up to 140mm (5.51") of precipitation. Throughout the year, there are 300.9 rainfall days, and 1768mm (69.61") of precipitation is accumulated.

Daylight

In Chemosusu, Kenya, the average length of the day in September is 12h and 7min.
On the first day of September, sunrise is at 06:33 and sunset at 18:40. On the last day of the month, sunrise is at 06:23 and sunset at 18:30 EAT.

Sunshine

The average sunshine in September is 9.3h.

UV index

January through May, August through December, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 5 during September morphs into the following directions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Updated: Jul 17, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

September temperatures in Chemosusu, Kenya, vary between a high-temperature of 22.4°C (72.3°F) and a low-temperature of 11.5°C (52.7°F).

In September, the average relative humidity is 79%.

In Chemosusu, in September, it is raining for 27.5 days, with typically 140mm (5.51") of accumulated precipitation.

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

On the first day of September, sunrise is at 06:33 and sunset at 18:40. On the last day of the month, sunrise is at 06:23 and sunset at 18:30 EAT.

The average sunshine duration in September is 9.3h.

January through May, August through December, with an average maximum UV index of 5, are months with the highest UV index.

In Chemosusu, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

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

Aug

September

Oct

Average high temperature

21.1°C

22.4°C

23.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.5km/h

6.3km/h

7.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

1.3

1.1

0.8

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Chemosusu, Kenya

Average high temperature in September: 22.4°C

The warmest month (with the highest average high temperature) is February (25.8°C).
The month with the lowest average high temperature is July (20°C).

Average low temperature in September: 11.5°C

The months with the highest average low temperature are February and March (12.8°C).
The coldest month (with the lowest average low temperature) is July (10.9°C).

Average pressure in September
Chemosusu, Kenya

Average pressure in September: 1014.7mbar

The months with the highest atmospheric pressure are June and July (1016mbar).
The month with the lowest atmospheric pressure is February (1012.9mbar).

Average wind speed in September
Chemosusu, Kenya

Average wind speed in September: 6km/h

The windiest month (with the highest average wind speed) is February (9.5km/h).
The calmest month (with the lowest average wind speed) is June (5.6km/h).

Average humidity in September
Chemosusu, Kenya

Average humidity in September: 79%

The months with the highest relative humidity are May and June (88%).
The month with the lowest relative humidity is February (61%).

Average rainfall in September
Chemosusu, Kenya

Average rainfall in September: 140mm

The wettest month (with the highest rainfall) is April (246mm).
The driest month (with the least rainfall) is February (48mm).

Average rainfall days in September
Chemosusu, Kenya

Average rainfall days in September: 27.5 days

The month with the highest number of rainy days is May (30.1 days).
The month with the least rainy days is February (13.6 days).

Average daylight in September /
Average sunshine in September
Chemosusu, Kenya

Average daylight in September: 12h and 6min

The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are March and October (Average daylight: 12h and 6min).

Average sunshine in September: 9h and 18min

The month with the most sunshine is February (Average sunshine: 9h and 42min).
The months with the least sunshine are April, May and June (Average sunshine: 8h and 24min).

Average sunshine days in September
Chemosusu, Kenya

Average sunshine days in September: 1.1 days

The month with the most sunshine days is January (11.9 days).
The month with the least sunshine days is May (0.6 days).

Average UV index in September
Chemosusu, 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).