Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's beginning signals an average high-temperature of a still warm 28.5°C (83.3°F), barely different from August's 28°C (82.4°F). Throughout the month of September, the average temperature in Shimoni dips to a pleasant 21.9°C (71.4°F) at night.Heat index
September's mean heat index is evaluated at a hot 33°C (91.4°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
In September, the average relative humidity is 76%.Rainfall
In Shimoni, Kenya, during September, the rain falls for 15.3 days and regularly aggregates up to 24mm (0.94") of precipitation. In Shimoni, during the entire year, the rain falls for 204.6 days and collects up to 605mm (23.82") of precipitation.Sea temperature
In Shimoni, the average seawater temperature in September is 25.8°C (78.4°F).Note: Water temperatures ranging between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, making swimming, diving, and similar water activities pleasurable for extended periods.
Daylight
In Shimoni, the average length of the day in September is 12h and 5min.On the first day of the month, sunrise is at 06:21 and sunset at 18:23. On the last day of September, sunrise is at 06:07 and sunset at 18:16 EAT.
Sunshine
In September, the average sunshine in Shimoni is 8.8h.UV index
January through May, September through December, with an average maximum UV index of 7, are months with the highest UV index in Shimoni. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, the UV index of 7 transforms into the following advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Notice! Sand and water reflections contribute to a stronger UV exposure.
Frequently asked questions
How hot does it get in Shimoni in September?
What is the average humidity in September in Shimoni?
How many days does it rain in September in Shimoni?
What is the water temperature in September in Shimoni?
What is the average length of the day in September in Shimoni?
What time are sunrise and sunset in September in Shimoni?
How many hours of sunshine does Shimoni have in September?
What are the months with the highest UV index in Shimoni?
What is the UV index reading in September in Shimoni?
Average temperature in September
Shimoni, Kenya
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is March (32.5°C).
The month with the lowest average high temperature is July (27.7°C).
- Average low temperature in September: 21.9°C
The month with the highest average low temperature is March (24.8°C).
The coldest month (with the lowest average low temperature) is July (21.3°C).
Average pressure in September
Shimoni, Kenya
- Average pressure in September: 1016mbar
The month with the highest atmospheric pressure is July (1017mbar).
The month with the lowest atmospheric pressure is February (1010.7mbar).
Average wind speed in September
Shimoni, Kenya
- Average wind speed in September: 12.8km/h
The windiest month (with the highest average wind speed) is July (16.5km/h).
The calmest month (with the lowest average wind speed) is November (9.6km/h).
Average humidity in September
Shimoni, Kenya
- Average humidity in September: 76%
The months with the highest relative humidity are May, October and November (77%).
The months with the lowest relative humidity are January, February, March, June, July and December (74%).
Average rainfall in September
Shimoni, Kenya
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is April (120mm).
The driest month (with the least rainfall) is June (17mm).
Average rainfall days in September
Shimoni, Kenya
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is April (24.7 days).
The month with the least rainy days is February (10.4 days).
Average sea temperature in September
Shimoni, Kenya
- Average sea temperature in September: 25.8°C
The best months for swimming (with the highest average sea temperature) are March and April (29.1°C).
The coldest month (with the lowest average sea temperature) is August (25.6°C).
Average daylight in September /
Average sunshine in September
Shimoni, Kenya
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is November (Average sunshine: 10h and 48min).
The month with the least sunshine is May (Average sunshine: 8h and 18min).
Average sunshine days in September
Shimoni, Kenya
- Average sunshine days in September: 10.1 days
The month with the most sunshine days is February (15.3 days).
The month with the least sunshine days is April (3.6 days).
Average UV index in September
Shimoni, Kenya
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, September, October, November and December (UV index 7).
The months with the lowest UV index are June, July and August (UV index 6).
Average cloud cover in September
Shimoni, Kenya
- Average cloud cover in September: 34
The months with the most cloud cover are May and October (Cloud cover 38).
The month with the least cloud cover is December (Cloud cover 25).
Average visibility in September
Shimoni, Kenya
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Shimoni, Kenya
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