September weather forecastChangamwe, Kenya

September

Weather in September

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

Temperature

September begins with an average high-temperature of a still warm 28°C (82.4°F), reflecting close similarity to the preceding month. During September, the average low-temperature is an agreeable 22.5°C (72.5°F).

Heat index

In September, the heat index is computed to be a tropical 32°C (89.6°F). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
In the scope of the heat index, its values resonate with shade and light wind conditions. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

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

Rainfall

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

Daylight

In Changamwe, the average length of the day in September is 12h and 5min.
On the first day of September, sunrise is at 06:20 and sunset at 18:22. On the last day of the month, sunrise is at 06:07 and sunset at 18:15 EAT.

Sunshine

In Changamwe, the average sunshine in September 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. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 7 during September translates into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

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

Frequently asked questions

In Changamwe, 28°C (82.4°F) is the average high-temperature and 22.5°C (72.5°F) is the average low-temperature during September. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is computed 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 Changamwe, in September, during 11.2 rainfall days, 12mm (0.47") of precipitation is typically accumulated.

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

In September, on the first day of the month, sunrise is at 06:20 and sunset at 18:22. On the last day of the month, sunrise is at 06:07 and sunset at 18:15 EAT.

In September, the average sunshine duration in Changamwe, Kenya, 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 Changamwe, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Changamwe, 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
Changamwe, 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
Changamwe, 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
Changamwe, 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
Changamwe, 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
Changamwe, 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
Changamwe, 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
Changamwe, 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
Changamwe, 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
Changamwe, 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
Changamwe, 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).