September weather forecastShanzu, Kenya

September

Weather in September

The first month of the spring, September, is still a warm month in Shanzu, Kenya, with an average temperature ranging between max 28°C (82.4°F) and min 22.5°C (72.5°F).

Temperature

As Shanzu welcomes September, the average high-temperature stabilizes at a still warm 28°C (82.4°F), showing little deviation from August's 27.6°C (81.7°F). Nighttime temperatures consistently average a pleasant 22.5°C (72.5°F) during September.

Heat index

The heat index value during September is calculated to be a tropical 32°C (89.6°F). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
When referencing the heat index, its values are suitable for shady environments and light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

The months with the highest humidity are January, May, September through December, with an average relative humidity of 77%.

Rainfall

In Shanzu, in September, during 11.2 rainfall days, 12mm (0.47") of precipitation is typically accumulated. In Shanzu, during the entire year, the rain falls for 167.2 days and collects up to 312mm (12.28") of precipitation.

Daylight

In September, the average length of the day is 12h and 5min.
On the first day of September, sunrise is at 06:19 and sunset at 18:22. On the last day of the month, sunrise is at 06:06 and sunset at 18:15 EAT.

Sunshine

The average sunshine in September is 8.4h.

UV index

The months with the highest UV index are January through June, September through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 7 during September, leads to the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Updated: Aug 23, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during September are 28°C (82.4°F) and 22.5°C (72.5°F) respectively. In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 32°C (89.6°F).

January, May, September through December, with an average relative humidity of 77%, are most humid months.

The average relative humidity in September is 77%.

In Shanzu, in September, it is raining for 11.2 days, with typically 12mm (0.47") of accumulated precipitation.

In September, the average day length is 12h and 5min.

In September, on the first day of the month, sunrise is at 06:19 and sunset at 18:22. On the last day of the month, sunrise is at 06:06 and sunset at 18:15 EAT.

In Shanzu, the average sunshine duration in September is 8.4h.

The months with the highest UV index are January through June, September through December, with an average maximum UV index of 7.

In Shanzu, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability 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

27.6°C

28°C

29.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

21.1km/h

19.1km/h

16.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

8.8

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Shanzu, Kenya

Average high temperature in September: 28°C

The warmest month (with the highest average high temperature) is March (31.6°C).
The month with the lowest average high temperature is July (27.3°C).

Average low temperature in September: 22.5°C

The months with the highest average low temperature are March and April (25.3°C).
The coldest month (with the lowest average low temperature) is August (22°C).

Average pressure in September
Shanzu, Kenya

Average pressure in September: 1015.3mbar

The month with the highest atmospheric pressure is July (1016.1mbar).
The month with the lowest atmospheric pressure is February (1010.5mbar).

Average wind speed in September
Shanzu, Kenya

Average wind speed in September: 18.6km/h

The windiest month (with the highest average wind speed) is July (23.2km/h).
The calmest month (with the lowest average wind speed) is March (11.9km/h).

Average humidity in September
Shanzu, Kenya

Average humidity in September: 77%

The months with the highest relative humidity are January, May, September, October, November and December (77%).
The month with the lowest relative humidity is July (74%).

Average rainfall in September
Shanzu, Kenya

Average rainfall in September: 12mm

The wettest month (with the highest rainfall) is May (48mm).
The driest month (with the least rainfall) is June (10mm).

Average rainfall days in September
Shanzu, Kenya

Average rainfall days in September: 11.2 days

The month with the highest number of rainy days is December (21.2 days).
The month with the least rainy days is February (8.8 days).

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

Average daylight in September: 12h and 6min

The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).

Average sunshine in September: 8h and 24min

The month with the most sunshine is November (Average sunshine: 10h and 30min).
The month with the least sunshine is May (Average sunshine: 7h and 54min).

Average sunshine days in September
Shanzu, Kenya

Average sunshine days in September: 8.8 days

The month with the most sunshine days is February (15.3 days).
The month with the least sunshine days is December (7 days).

Average UV index in September
Shanzu, Kenya

Average UV index in September: 7

The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).

Average cloud cover in September
Shanzu, Kenya

Average cloud cover in September: 42

The month with the most cloud cover is October (Cloud cover 45).
The month with the least cloud cover is December (Cloud cover 30).

Average visibility in September
Shanzu, Kenya

Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).