September weather forecastGathanje, Kenya

September

Weather in September

The first month of the spring, September, is also a moderately hot month in Gathanje, Kenya, with temperature in the range of an average high of 24.6°C (76.3°F) and an average low of 14.2°C (57.6°F).

Temperature

Gathanje's weather in September indicates an average high-temperature of a still warm 24.6°C (76.3°F), nearly consistent with the 23°C (73.4°F) of August. Gathanje's temperature lowers to a mean of 14.2°C (57.6°F) during the nights in September.

Humidity

In September, the average relative humidity is 67%.

Rainfall

In September, the rain falls for 16.5 days. Throughout September, 31mm (1.22") of precipitation is accumulated. In Gathanje, during the entire year, the rain falls for 241.5 days and collects up to 676mm (26.61") of precipitation.

Daylight

In Gathanje, the average length of the day in September is 12h and 7min.
On the first day of the month, sunrise is at 06:29 and sunset at 18:35. On the last day of September, sunrise is at 06:19 and sunset at 18:26 EAT.

Sunshine

In September, the average sunshine is 9.4h.

UV index

September is the month with the highest UV index in Gathanje, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In September, a daily UV index of 6 turns into the following recommendations:
Shun overexposure. Protection from sun ravages is indispensable. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Updated: Jun 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During September, Gathanje experiences an average high-temperature of 24.6°C (76.3°F) and a low-temperature of 14.2°C (57.6°F). In February, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 28°C (82.4°F).

In September, the average relative humidity is 67%.

In Gathanje, during September, the rain falls for 16.5 days and regularly aggregates up to 31mm (1.22") of precipitation.

In September, the average day length is 12h and 7min.

In September, on the first day of the month, sunrise is at 06:29 and sunset at 18:35. On the last day of the month, in Gathanje, sunrise is at 06:19 and sunset at 18:26 EAT.

The average sunshine duration in September is 9.4h.

September is the month with the highest UV index, with an average maximum UV index of 6.

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

23°C

24.6°C

25.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.2km/h

9.8km/h

11.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

11.4

10.3

6.5

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Gathanje, Kenya

Average high temperature in September: 24.6°C

The warmest month (with the highest average high temperature) is February (27°C).
The month with the lowest average high temperature is June (22.4°C).

Average low temperature in September: 14.2°C

The month with the highest average low temperature is April (15.6°C).
The coldest month (with the lowest average low temperature) is July (12.7°C).

Average pressure in September
Gathanje, Kenya

Average pressure in September: 1015.6mbar

The month with the highest atmospheric pressure is July (1016.8mbar).
The months with the lowest atmospheric pressure are February and March (1013.4mbar).

Average wind speed in September
Gathanje, Kenya

Average wind speed in September: 9.1km/h

The windiest month (with the highest average wind speed) is February (11.8km/h).
The calmest month (with the lowest average wind speed) is June (6.1km/h).

Average humidity in September
Gathanje, Kenya

Average humidity in September: 67%

The month with the highest relative humidity is May (84%).
The month with the lowest relative humidity is February (65%).

Average rainfall in September
Gathanje, Kenya

Average rainfall in September: 31mm

The wettest month (with the highest rainfall) is April (125mm).
The driest month (with the least rainfall) is January (28mm).

Average rainfall days in September
Gathanje, Kenya

Average rainfall days in September: 16.5 days

The month with the highest number of rainy days is May (27.7 days).
The month with the least rainy days is January (12.3 days).

Average daylight in September /
Average sunshine in September
Gathanje, 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 24min

The months with the most sunshine are January and February (Average sunshine: 9h and 36min).
The months with the least sunshine are April and May (Average sunshine: 8h and 30min).

Average sunshine days in September
Gathanje, Kenya

Average sunshine days in September: 10.3 days

The month with the most sunshine days is January (15.3 days).
The month with the least sunshine days is April (1.9 days).

Average UV index in September
Gathanje, Kenya

Average UV index in September: 6

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