September weather forecastGithioro, Kenya

September

Weather in September

September, the first month of the spring in Githioro, is a warm month, with temperature in the range of an average low of 10.7°C (51.3°F) and an average high of 23°C (73.4°F).

Temperature

The advent of September presents an average high-temperature of a warm 23°C (73.4°F), maintaining a close correlation with the preceding month. September presents a pronounced difference from daytime highs, with a consistent average low-temperature of 10.7°C (51.3°F).

Humidity

In September, the average relative humidity in Githioro, Kenya, is 71%.

Rainfall

In Githioro, during September, the rain falls for 18.9 days and regularly aggregates up to 51mm (2.01") of precipitation. Throughout the year, there are 206.3 rainfall days, and 657mm (25.87") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 7min.
On the first day of September in Githioro, Kenya, sunrise is at 06:30 and sunset at 18:37. On the last day of the month, sunrise is at 06:20 and sunset at 18:27 EAT.

Sunshine

In September, the average sunshine is 9.6h.

UV index

January through May, August through December, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

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

Frequently asked questions

In September, in Githioro, the average high-temperature is 23°C (73.4°F), and the average low-temperature is 10.7°C (51.3°F).

In September, the average relative humidity in Githioro is 71%.

In Githioro, during September, the rain falls for 18.9 days and regularly aggregates up to 51mm (2.01") of precipitation.

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

On the first day of September, sunrise is at 06:30 and sunset at 18:37. On the last day of the month, sunrise is at 06:20 and sunset at 18:27 EAT.

The average sunshine duration in September in Githioro is 9.6h.

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

In Githioro, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to 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

21.8°C

23°C

23.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.9km/h

7.5km/h

8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

3.2

4.6

6.2

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Githioro, Kenya

Average high temperature in September: 23°C

The warmest month (with the highest average high temperature) is March (24.8°C).
The month with the lowest average high temperature is July (20.9°C).

Average low temperature in September: 10.7°C

The month with the highest average low temperature is April (12.2°C).
The coldest month (with the lowest average low temperature) is January (9.9°C).

Average pressure in September
Githioro, Kenya

Average pressure in September: 1015.2mbar

The month with the highest atmospheric pressure is July (1016.4mbar).
The month with the lowest atmospheric pressure is February (1013.6mbar).

Average wind speed in September
Githioro, Kenya

Average wind speed in September: 7.1km/h

The windiest month (with the highest average wind speed) is February (8.6km/h).
The calmest month (with the lowest average wind speed) is June (6.5km/h).

Average humidity in September
Githioro, Kenya

Average humidity in September: 71%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is February (59%).

Average rainfall in September
Githioro, Kenya

Average rainfall in September: 51mm

The wettest month (with the highest rainfall) is August (94mm).
The driest month (with the least rainfall) is February (18mm).

Average rainfall days in September
Githioro, Kenya

Average rainfall days in September: 18.9 days

The month with the highest number of rainy days is August (24 days).
The month with the least rainy days is February (5.8 days).

Average daylight in September /
Average sunshine in September
Githioro, 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 36min

The month with the most sunshine is February (Average sunshine: 9h and 48min).
The month with the least sunshine is July (Average sunshine: 9h and 0min).

Average sunshine days in September
Githioro, Kenya

Average sunshine days in September: 4.6 days

The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is August (3.2 days).

Average UV index in September
Githioro, 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).