September weather forecastKwale, Kenya

September

Weather in September

September, the first month of the spring in Kwale, is still a warm month, with temperature in the range of an average low of 22.5°C (72.5°F) and an average high of 28°C (82.4°F).

Temperature

The average high-temperature for September is a still moderately hot 28°C (82.4°F), closely aligning with the temperature of the preceding month. In Kwale, September nights witness a steady temperature drop to an agreeable 22.5°C (72.5°F).

Heat index

In September, the heat index is evaluated at a tropical 32°C (89.6°F). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

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

Rainfall

In September, the rain falls for 11.2 days. Throughout September, 12mm (0.47") of precipitation is accumulated. In Kwale, 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 in Kwale, Kenya, is 12h and 5min.
On the first day of the month, sunrise is at 06:20 and sunset at 18:23. On the last day of September, sunrise is at 06:07 and sunset at 18:16 EAT.

Sunshine

In September, the average sunshine in Kwale is 8.4h.

UV index

January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index in Kwale. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, a regular UV index of 7 translates into these guidelines:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

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

Frequently asked questions

An average high-temperature, in September, in Kwale, is 28°C (82.4°F) and the average low-temperature is 22.5°C (72.5°F). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is evaluated at 32°C (89.6°F).

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

In September, the average relative humidity is 77%.

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

The average day length in September in Kwale, Kenya, is 12h and 5min.

On the first day of September in Kwale, Kenya, sunrise is at 06:20 and sunset at 18:23. On the last day of the month, sunrise is at 06:07 and sunset at 18:16 EAT.

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

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

In September, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health threat 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

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
Kwale, 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
Kwale, 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
Kwale, 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
Kwale, 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
Kwale, 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
Kwale, 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
Kwale, Kenya

Average daylight in September: 12h and 6min

The month with the longest days is December (Average daylight: 12h and 24min).
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
Kwale, 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
Kwale, 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
Kwale, 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
Kwale, 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).