September weather forecastBulwani, Kenya

September

Weather in September

September, the first month of the autumn in Bulwani, is also a moderately hot month, with temperature in the range of an average low of 16.1°C (61°F) and an average high of 27.2°C (81°F).

Temperature

The transition into September is marked with an average high-temperature of a still moderately hot 27.2°C (81°F), showing an insignificant shift from August's 26.2°C (79.2°F). During September, Bulwani records an average temperature of 16.1°C (61°F) at night.

Heat index

The average heat index in September is computed to be a hot 30°C (86°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

The average relative humidity in September in Bulwani is 77%.

Rainfall

In Bulwani, during September, the rain falls for 27.5 days and regularly aggregates up to 120mm (4.72") of precipitation. Throughout the year, there are 300.8 rainfall days, and 1573mm (61.93") of precipitation is accumulated.

Snowfall

The only month with snowfall is September. The month with the most snowfall is September, when snow falls for 0.1 days and typically aggregates up to 1mm (0.04") of snow.

Daylight

March and September, with an average of 12h and 6min of daylight, are months with the shortest days in Bulwani, Kenya.
On the first day of September, sunrise is at 06:40 and sunset at 18:47. On the last day of the month, sunrise is at 06:30 and sunset at 18:37 EAT.

Sunshine

The average sunshine in September is 9.4h.

UV index

January through March, September, November and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: During September, 6 as the daily maximum UV index converts into the following advice:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

Frequently asked questions

The average high-temperature, in September, in Bulwani, is 27.2°C (81°F), while the average low-temperature is 16.1°C (61°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in September is computed to be 30°C (86°F).

In Bulwani, the average relative humidity in September is 77%.

In Bulwani, Kenya, in September, during 27.5 rainfall days, 120mm (4.72") of precipitation is typically accumulated.

The month with the most snowfall in Bulwani is September, when snow falls for 0.1 days and typically aggregates up to 1mm (0.04") of snow.

September is the first month it typically snows in Bulwani, Kenya. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow.

March and September, with an average of 12h and 6min of daylight, are months with the shortest days in Bulwani, Kenya.

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

In September, on the first day of the month, sunrise is at 06:40 and sunset at 18:47. On the last day of the month, in Bulwani, Kenya, sunrise is at 06:30 and sunset at 18:37 EAT.

In September, the average sunshine duration is 9.4h.

The months with the highest UV index in Bulwani, Kenya, are January through March, September, November and December, with an average maximum UV index of 6.

In Bulwani, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
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 snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bulwani, Kenya

  • Average high temperature in September: 27.2°C

The warmest month (with the highest average high temperature) is February (31.3°C).
The month with the lowest average high temperature is June (25.2°C).

  • Average low temperature in September: 16.1°C

The month with the highest average low temperature is February (17.6°C).
The coldest month (with the lowest average low temperature) is July (15.5°C).

Average pressure in September
Bulwani, Kenya

  • Average pressure in September: 1013.1mbar

The month with the highest atmospheric pressure is July (1014.6mbar).
The month with the lowest atmospheric pressure is February (1010.8mbar).

Average wind speed in September
Bulwani, Kenya

  • Average wind speed in September: 4.6km/h

The windiest month (with the highest average wind speed) is February (6.7km/h).
The calmest months (with the lowest average wind speed) are August and September (4.6km/h).

Average humidity in September
Bulwani, Kenya

  • Average humidity in September: 77%

The month with the highest relative humidity is May (85%).
The month with the lowest relative humidity is February (55%).

Average rainfall in September
Bulwani, Kenya

  • Average rainfall in September: 120mm

The wettest month (with the highest rainfall) is May (257mm).
The driest month (with the least rainfall) is February (36mm).

Average rainfall days in September
Bulwani, Kenya

  • Average rainfall days in September: 27.5 days

The month with the highest number of rainy days is May (30.6 days).
The month with the least rainy days is February (11.8 days).

Average snowfall in September
Bulwani, Kenya

  • Average snowfall in September: 1mm

The month with the highest snowfall is September (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0mm).

Average snowfall days in September
Bulwani, Kenya

  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).

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

  • Average daylight in September: 12h and 6min

The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are March and September (Average daylight: 12h and 6min).

  • Average sunshine in September: 9h and 24min

The months with the most sunshine are January and February (Average sunshine: 9h and 48min).
The month with the least sunshine is May (Average sunshine: 8h and 30min).

Average sunshine days in September
Bulwani, Kenya

  • Average sunshine days in September: 0.6 days

The month with the most sunshine days is January (13.7 days).
The month with the least sunshine days is June (0.2 days).

Average UV index in September
Bulwani, Kenya

  • Average UV index in September: 6

The months with the highest UV index are January, February, March, September, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August and October (UV index 5).

Average cloud cover in September
Bulwani, Kenya

  • Average cloud cover in September: 29

The month with the most cloud cover is May (Cloud cover 44).
The month with the least cloud cover is February (Cloud cover 14).

Average visibility in September
Bulwani, Kenya

  • Average visibility in September: 9km

The months with the highest visibility are January, February and March (10km).
The months with the lowest visibility are April, May and June (8km).