September weather forecastChemaner, Kenya

September

Weather in September

Stepping into September, the city of Chemaner, Kenya, begins to experience an incline in warmth. Sailing through the transition from the cool August to a warmer September, one can notice the temperature high rise to 22.4°С. Embracing the remnants of the rainy season from the past months, the city preps for the coming drier months of October and November. The gradual rise in temperature and dips in precipitation are fondly welcomed by both tourists and residents. In essence, September bridges the cooler, wetter months and the impending drier, warmer months beautifully.

Temperature

The ushering in of September in Chemaner brings an average high-temperature of a still pleasant 22.4°C (72.3°F), closely mirroring the 21.1°C (70°F) of August. September brings Chemaner a consistent average low-temperature of 11.5°C (52.7°F).

Humidity

In Chemaner, Kenya, the average relative humidity in September is 79%.

Rainfall

In Chemaner, during September, the rain falls for 27.5 days and regularly aggregates up to 140mm (5.51") of precipitation. In Chemaner, during the entire year, the rain falls for 300.9 days and collects up to 1768mm (69.61") of precipitation.

Daylight

In September, the average length of the day is 12h and 7min.
On the first day of the month, sunrise is at 06:34 and sunset at 18:40. On the last day of September, sunrise is at 06:24 and sunset at 18:31 EAT.

Sunshine

In September, the average sunshine is 9.3h.

UV index

The months with the highest UV index are January through May, August through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: A daily high UV index of 5 in September leads to these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

Chemaner in September has an average high-temperature of 22.4°C (72.3°F) and an average low-temperature of 11.5°C (52.7°F).

The average relative humidity in September in Chemaner, Kenya, is 79%.

In Chemaner, in September, during 27.5 rainfall days, 140mm (5.51") of precipitation is typically accumulated.

The average day length in September is 12h and 7min.

On the first day of September in Chemaner, sunrise is at 06:34 and sunset at 18:40. On the last day of the month, sunrise is at 06:24 and sunset at 18:31 EAT.

In September, the average sunshine duration in Chemaner, Kenya, is 9.3h.

The months with the highest UV index are January through May, August through December, with an average maximum UV index of 5.

In Chemaner, Kenya, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Chemaner, Kenya

  • Average high temperature in September: 22.4°C

The warmest month (with the highest average high temperature) is February (25.8°C).
The month with the lowest average high temperature is July (20°C).

  • Average low temperature in September: 11.5°C

The months with the highest average low temperature are February and March (12.8°C).
The coldest month (with the lowest average low temperature) is July (10.9°C).

Average pressure in September
Chemaner, Kenya

  • Average pressure in September: 1014.7mbar

The months with the highest atmospheric pressure are June and July (1016mbar).
The month with the lowest atmospheric pressure is February (1012.9mbar).

Average wind speed in September
Chemaner, Kenya

  • Average wind speed in September: 6km/h

The windiest month (with the highest average wind speed) is February (9.5km/h).
The calmest month (with the lowest average wind speed) is June (5.6km/h).

Average humidity in September
Chemaner, Kenya

  • Average humidity in September: 79%

The months with the highest relative humidity are May and June (88%).
The month with the lowest relative humidity is February (61%).

Average rainfall in September
Chemaner, Kenya

  • Average rainfall in September: 140mm

The wettest month (with the highest rainfall) is April (246mm).
The driest month (with the least rainfall) is February (48mm).

Average rainfall days in September
Chemaner, Kenya

  • Average rainfall days in September: 27.5 days

The month with the highest number of rainy days is May (30.1 days).
The month with the least rainy days is February (13.6 days).

Average daylight in September /
Average sunshine in September
Chemaner, 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 18min

The month with the most sunshine is February (Average sunshine: 9h and 42min).
The months with the least sunshine are April, May and June (Average sunshine: 8h and 24min).

Average sunshine days in September
Chemaner, Kenya

  • Average sunshine days in September: 1.1 days

The month with the most sunshine days is January (11.9 days).
The month with the least sunshine days is May (0.6 days).

Average UV index in September
Chemaner, Kenya

  • Average UV index in September: 5

The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 5).
The months with the lowest UV index are June and July (UV index 4).

Average cloud cover in September
Chemaner, Kenya

  • Average cloud cover in September: 29

The months with the most cloud cover are May and June (Cloud cover 47).
The month with the least cloud cover is February (Cloud cover 15).

Average visibility in September
Chemaner, Kenya

  • Average visibility in September: 9km

The months with the highest visibility are January and February (10km).
The month with the lowest visibility is May (7km).