September weather forecastKasioni, Kenya

September

Weather in September

September, the first month of the spring in Kasioni, is still a warm month, with an average temperature ranging between max 25.4°C (77.7°F) and min 14.5°C (58.1°F).

Temperature

Kasioni's weather in September indicates an average high-temperature of a still warm 25.4°C (77.7°F), nearly consistent with the 23.6°C (74.5°F) of August. An average nighttime temperature of 14.5°C (58.1°F) is witnessed throughout September.

Humidity

The average relative humidity in September is 66%.

Rainfall

In Kasioni, during September, the rain falls for 16.7 days and regularly aggregates up to 29mm (1.14") of precipitation. Throughout the year, there are 198.6 rainfall days, and 784mm (30.87") of precipitation is accumulated.

Daylight

In Kasioni, the average length of the day in September is 12h and 7min.
On the first day of the month, sunrise is at 06:24 and sunset at 18:30. On the last day of September, sunrise is at 06:14 and sunset at 18:21 EAT.

Sunshine

The average sunshine in September is 9.2h.

UV index

The months with the highest UV index in Kasioni are January, February and September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 6 in September leads to these recommendations:
Ward off overexposure. Defence against solar harm is crucial. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

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

Frequently asked questions

The high-temperature in Kasioni during September is 25.4°C (77.7°F) and the low-temperature is 14.5°C (58.1°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in March is appraised at 29°C (84.2°F).

In September, the average relative humidity in Kasioni, Kenya, is 66%.

In Kasioni, in September, it is raining for 16.7 days, with typically 29mm (1.14") of accumulated precipitation.

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

On the first day of September, sunrise is at 06:24 and sunset at 18:30. On the last day of the month, sunrise is at 06:14 and sunset at 18:21 EAT.

The average sunshine duration in September in Kasioni, Kenya, is 9.2h.

The months with the highest UV index in Kasioni are January, February and September, with an average maximum UV index of 6.

In Kasioni, Kenya, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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

23.6°C

25.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.6km/h

7.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

11.4

10.5

5.8

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Kasioni, Kenya

Average high temperature in September: 25.4°C

The warmest months (with the highest average high temperature) are February and March (27.3°C).
The month with the lowest average high temperature is June (22.7°C).

Average low temperature in September: 14.5°C

The month with the highest average low temperature is October (15.2°C).
The coldest months (with the lowest average low temperature) are July and December (13°C).

Average pressure in September
Kasioni, Kenya

Average pressure in September: 1015.1mbar

The month with the highest atmospheric pressure is July (1016.1mbar).
The month with the lowest atmospheric pressure is March (1012.9mbar).

Average wind speed in September
Kasioni, Kenya

Average wind speed in September: 7.1km/h

The windiest month (with the highest average wind speed) is February (9.2km/h).
The calmest month (with the lowest average wind speed) is June (6.2km/h).

Average humidity in September
Kasioni, Kenya

Average humidity in September: 66%

The month with the highest relative humidity is May (85%).
The month with the lowest relative humidity is February (62%).

Average rainfall in September
Kasioni, Kenya

Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is April (155mm).
The driest month (with the least rainfall) is February (20mm).

Average rainfall days in September
Kasioni, Kenya

Average rainfall days in September: 16.7 days

The month with the highest number of rainy days is April (24.6 days).
The month with the least rainy days is January (6.3 days).

Average daylight in September /
Average sunshine in September
Kasioni, 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 12min

The month with the most sunshine is February (Average sunshine: 9h and 42min).
The month with the least sunshine is July (Average sunshine: 8h and 36min).

Average sunshine days in September
Kasioni, Kenya

Average sunshine days in September: 10.5 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is April (4.3 days).

Average UV index in September
Kasioni, Kenya

Average UV index in September: 6

The months with the highest UV index are January, February and September (UV index 6).
The months with the lowest UV index are March, April, May, June, July, August, October, November and December (UV index 5).