September weather forecastMasii, Kenya

September

Weather in September

The first month of the spring, September, is still a warm month in Masii, Kenya, with an average temperature varying between 25.5°C (77.9°F) and 14.8°C (58.6°F).

Temperature

Transitioning into September, Masii experiences an average high-temperature of a still moderately hot 25.5°C (77.9°F), marking a minor shift from the preceding month. September is noted for a mean low-temperature of 14.8°C (58.6°F).

Humidity

September is the least humid month, with an average relative humidity of 66%.

Rainfall

The month with the least rainfall is September, when the rain falls for 5.5 days and typically collects 5mm (0.2") of precipitation.

Daylight

In Masii, the average length of the day in September is 12h and 6min.
On the first day of the month, sunrise is at 06:27 and sunset at 18:32. On the last day of September, sunrise is at 06:16 and sunset at 18:23 EAT.

Sunshine

With an average of 9.3h of sunshine, September has the most sunshine of the year.

UV index

The months with the highest UV index are January, February and September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 6 in September translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Updated: Jul 21, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In September, in Masii, the average high-temperature is 25.5°C (77.9°F), and the average low-temperature is 14.8°C (58.6°F).

With an average relative humidity of 66%, September is the least humid month.

In Masii, the average relative humidity in September is 66%.

September is the month with the least rainfall in Masii. Rain falls for 5.5 days and accumulates 5mm (0.2") of precipitation.

In September, the rain falls for 5.5 days. Throughout September, 5mm (0.2") of precipitation is accumulated.

In Masii, the average day length in September is 12h and 6min.

On the first day of September, sunrise is at 06:27 and sunset at 18:32. On the last day of the month, sunrise is at 06:16 and sunset at 18:23 EAT.

September has the most sunshine of the year in Masii, with an average of 9.3h of sunshine.

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

January, February and September, with an average maximum UV index of 6, are months with the highest UV index.

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

23.8°C

25.5°C

25.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10km/h

10.6km/h

11.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

19.5

20.4

12.8

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Masii, Kenya

Average high temperature in September: 25.5°C

The warmest month (with the highest average high temperature) is March (26.7°C).
The month with the lowest average high temperature is June (23.2°C).

Average low temperature in September: 14.8°C

The month with the highest average low temperature is April (16.4°C).
The coldest month (with the lowest average low temperature) is July (12.9°C).

Average pressure in September
Masii, Kenya

Average pressure in September: 1015.5mbar

The month with the highest atmospheric pressure is July (1016.7mbar).
The months with the lowest atmospheric pressure are February and March (1013mbar).

Average wind speed in September
Masii, Kenya

Average wind speed in September: 10km/h

The windiest month (with the highest average wind speed) is October (10.4km/h).
The calmest month (with the lowest average wind speed) is June (6.8km/h).

Average humidity in September
Masii, Kenya

Average humidity in September: 66%

The months with the highest relative humidity are May and December (84%).
The month with the lowest relative humidity is September (66%).

Average rainfall in September
Masii, Kenya

Average rainfall in September: 5mm

The wettest month (with the highest rainfall) is April (102mm).
The driest month (with the least rainfall) is September (5mm).

Average rainfall days in September
Masii, Kenya

Average rainfall days in September: 5.5 days

The month with the highest number of rainy days is November (24.4 days).
The month with the least rainy days is September (5.5 days).

Average daylight in September /
Average sunshine in September
Masii, 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 0min).

Average sunshine in September: 9h and 18min

The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is April (Average sunshine: 8h and 12min).

Average sunshine days in September
Masii, Kenya

Average sunshine days in September: 20.4 days

The month with the most sunshine days is September (20.4 days).
The month with the least sunshine days is November (3.8 days).

Average UV index in September
Masii, Kenya

Average UV index in September: 6

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