September weather forecastKiunya, Kenya

September

Weather in September

September, the first month of the spring in Kiunya, is still a warm month, with an average temperature varying between 25.5°C (77.9°F) and 13.9°C (57°F).

Temperature

September's onset brings an average high-temperature of a still warm 25.5°C (77.9°F), showing a minute difference from August's 23.8°C (74.8°F). During September, the temperature is averaged to a low of 13.9°C (57°F) at night.

Humidity

In September, the average relative humidity is 67%.

Rainfall

In September, in Kiunya, the rain falls for 16.3 days. Throughout September, 35mm (1.38") of precipitation is accumulated. Throughout the year, in Kiunya, there are 213.5 rainfall days, and 642mm (25.28") of precipitation is accumulated.

Daylight

In Kiunya, Kenya, the average length of the day in September is 12h and 7min.
On the first day of the month, sunrise is at 06:28 and sunset at 18:34. On the last day of September, sunrise is at 06:18 and sunset at 18:25 EAT.

Sunshine

In September, the average sunshine 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 reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: In September, the maximum UV index of 6 suggests these recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

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

Frequently asked questions

September temperatures in Kiunya vary between a high-temperature of 25.5°C (77.9°F) and a low-temperature of 13.9°C (57°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in March is appraised at 29°C (84.2°F).

In September, the average relative humidity is 67%.

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

The average day length in September in Kiunya, Kenya, is 12h and 7min.

On the first day of September, sunrise is at 06:28 and sunset at 18:34. On the last day of the month, sunrise is at 06:18 and sunset at 18:25 EAT.

The average sunshine duration in September in Kiunya is 9.3h.

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

In September, the average daily maximum UV index in Kiunya is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's 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

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
Kiunya, 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
Kiunya, 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
Kiunya, 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
Kiunya, 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
Kiunya, 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
Kiunya, 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
Kiunya, 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
Kiunya, 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
Kiunya, 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).