September weather forecastAshuwei, Kenya

September

Weather in September

September, the first month of the spring in Ashuwei, is also a moderately hot month, with an average temperature ranging between max 28.1°C (82.6°F) and min 24.2°C (75.6°F).

Temperature

Transitioning from August to September, Ashuwei observes an average high-temperature of a still moderately hot 28.1°C (82.6°F), differing subtly from the previous month. An average temperature of 24.2°C (75.6°F) is logged during the nights of September, a small step down from daytime highs.

Heat index

September's average heat index is evaluated at a tropical 32°C (89.6°F). Constant activity during exposure could result in a state of weariness and possibly heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

The average relative humidity in September in Ashuwei is 75%.

Rainfall

In September, the rain falls for 12.6 days. Throughout September, 19mm (0.75") of precipitation is accumulated. Throughout the year, in Ashuwei, there are 192.5 rainfall days, and 641mm (25.24") of precipitation is accumulated.

Daylight

In September, the average length of the day in Ashuwei is 12h and 6min.
On the first day of September, sunrise is at 06:12 and sunset at 18:16. On the last day of the month, sunrise is at 06:00 and sunset at 18:08 EAT.

Sunshine

In Ashuwei, the average sunshine in September is 8.8h.

UV index

The months with the highest UV index in Ashuwei, Kenya, are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Ashuwei, Kenya. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 7 in September converts into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. During bright days, sunglasses that offer UVA and UVB defense are recommended.

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

Frequently asked questions

In September, the average high-temperature and low-temperature are 28.1°C (82.6°F) and 24.2°C (75.6°F) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is evaluated at 32°C (89.6°F).

In September, the average relative humidity in Ashuwei, Kenya, is 75%.

In September, in Ashuwei, the rain falls for 12.6 days. Throughout September, 19mm (0.75") of precipitation is accumulated.

In September, the average day length in Ashuwei is 12h and 6min.

On the first day of September in Ashuwei, Kenya, sunrise is at 06:12 and sunset at 18:16. On the last day of the month, sunrise is at 06:00 and sunset at 18:08 EAT.

The average sunshine duration in September in Ashuwei, Kenya, is 8.8h.

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

The months with the lowest UV index in Ashuwei are January through December, with an average maximum UV index of 7.

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

27.4°C

28.1°C

28.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

25.9km/h

23.6km/h

19.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

8.6

9.8

11.1

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Ashuwei, Kenya

Average high temperature in September: 28.1°C

The warmest month (with the highest average high temperature) is March (31.3°C).
The month with the lowest average high temperature is August (27.4°C).

Average low temperature in September: 24.2°C

The month with the highest average low temperature is April (26.7°C).
The coldest month (with the lowest average low temperature) is August (24°C).

Average pressure in September
Ashuwei, Kenya

Average pressure in September: 1014.2mbar

The months with the highest atmospheric pressure are July and August (1014.9mbar).
The month with the lowest atmospheric pressure is March (1009.9mbar).

Average wind speed in September
Ashuwei, Kenya

Average wind speed in September: 23.3km/h

The windiest month (with the highest average wind speed) is July (27.8km/h).
The calmest month (with the lowest average wind speed) is November (14.5km/h).

Average humidity in September
Ashuwei, Kenya

Average humidity in September: 75%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is July (74%).

Average rainfall in September
Ashuwei, Kenya

Average rainfall in September: 19mm

The wettest month (with the highest rainfall) is May (156mm).
The driest month (with the least rainfall) is February (7mm).

Average rainfall days in September
Ashuwei, Kenya

Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is May (24.4 days).
The month with the least rainy days is February (3.6 days).

Average daylight in September /
Average sunshine in September
Ashuwei, 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 0min).

Average sunshine in September: 8h and 48min

The month with the most sunshine is November (Average sunshine: 11h and 0min).
The month with the least sunshine is May (Average sunshine: 7h and 48min).

Average sunshine days in September
Ashuwei, Kenya

Average sunshine days in September: 9.8 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is May (4.6 days).

Average UV index in September
Ashuwei, Kenya

Average UV index in September: 7

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

Average cloud cover in September
Ashuwei, Kenya

Average cloud cover in September: 40

The month with the most cloud cover is May (Cloud cover 46).
The months with the least cloud cover are January and February (Cloud cover 24).

Average visibility in September
Ashuwei, 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).