September weather forecastKisii, Kenya

September

Weather in September

The first month of the spring, September, is still a warm month in Kisii, Kenya, with an average temperature fluctuating between 14.7°C (58.5°F) and 26.2°C (79.2°F).

Temperature

September denotes a minimal variation in the average high-temperature to a still warm 26.2°C (79.2°F) from August's 25.1°C (77.2°F). In the month of September, the average low-temperature in Kisii usually rests at a mild 14.7°C (58.5°F).

Humidity

The average relative humidity in September in Kisii, Kenya, is 73%.

Rainfall

In Kisii, during September, the rain falls for 24.2 days and regularly aggregates up to 77mm (3.03") of precipitation. In Kisii, during the entire year, the rain falls for 289.6 days and collects up to 1257mm (49.49") of precipitation.

Daylight

In Kisii, the average length of the day in September is 12h and 7min.
On the first day of September, sunrise is at 06:37 and sunset at 18:43. On the last day of the month, sunrise is at 06:27 and sunset at 18:34 EAT.

Sunshine

In September, the average sunshine in Kisii is 9.5h.

UV index

The months with the lowest UV index in Kisii, Kenya, are January, March through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 5 during September leads to these advisories:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

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

Frequently asked questions

The average high-temperature, in September, in Kisii, is 26.2°C (79.2°F), while the average low-temperature is 14.7°C (58.5°F). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in March is estimated at 29°C (84.2°F).

The average relative humidity in September is 73%.

In Kisii, in September, during 24.2 rainfall days, 77mm (3.03") of precipitation is typically accumulated.

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

On the first day of September, sunrise is at 06:37 and sunset at 18:43. On the last day of the month, sunrise is at 06:27 and sunset at 18:34 EAT.

In September, the average sunshine duration in Kisii, Kenya, is 9.5h.

January, March through December, with an average maximum UV index of 5, are months with the lowest UV index in Kisii.

In Kisii, Kenya, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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

25.1°C

26.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.4km/h

6.9km/h

7.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

2.3

2.5

2.6

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Kisii, Kenya

Average high temperature in September: 26.2°C

The warmest month (with the highest average high temperature) is February (27.8°C).
The month with the lowest average high temperature is June (23.2°C).

Average low temperature in September: 14.7°C

The month with the highest average low temperature is March (15.4°C).
The coldest month (with the lowest average low temperature) is July (13.5°C).

Average pressure in September
Kisii, Kenya

Average pressure in September: 1014.1mbar

The months with the highest atmospheric pressure are June and July (1015.5mbar).
The month with the lowest atmospheric pressure is February (1012.2mbar).

Average wind speed in September
Kisii, Kenya

Average wind speed in September: 6.6km/h

The windiest month (with the highest average wind speed) is February (7.9km/h).
The calmest month (with the lowest average wind speed) is November (5.9km/h).

Average humidity in September
Kisii, Kenya

Average humidity in September: 73%

The month with the highest relative humidity is May (87%).
The month with the lowest relative humidity is February (64%).

Average rainfall in September
Kisii, Kenya

Average rainfall in September: 77mm

The wettest month (with the highest rainfall) is April (154mm).
The driest month (with the least rainfall) is February (56mm).

Average rainfall days in September
Kisii, Kenya

Average rainfall days in September: 24.2 days

The month with the highest number of rainy days is May (28 days).
The month with the least rainy days is February (13.8 days).

Average daylight in September /
Average sunshine in September
Kisii, 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 30min

The months with the most sunshine are January and February (Average sunshine: 9h and 36min).
The month with the least sunshine is April (Average sunshine: 8h and 36min).

Average sunshine days in September
Kisii, Kenya

Average sunshine days in September: 2.5 days

The month with the most sunshine days is February (8.7 days).
The month with the least sunshine days is November (1.4 days).

Average UV index in September
Kisii, Kenya

Average UV index in September: 5

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