September weather forecastChewele, Kenya
September
Weather in September
The first month of the spring, September, is also a hot month in Chewele, Kenya, with an average temperature varying between 33.1°C (91.6°F) and 22.7°C (72.9°F).Temperature
September's onset brings an average high-temperature of a still hot 33.1°C (91.6°F), showing a minute difference from August's 32.4°C (90.3°F). In Chewele, the expected average low-temperature for September is a pleasant 22.7°C (72.9°F).Heat index
September's mean heat index is estimated at a very hot 38°C (100.4°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Heat index values are typically calculated for conditions of shade and a light breeze. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
The average relative humidity in September is 56%.Rainfall
In Chewele, in September, it is raining for 4.6 days, with typically 2mm (0.08") of accumulated precipitation. Throughout the year, in Chewele, there are 103.3 rainfall days, and 326mm (12.83") of precipitation is accumulated.Daylight
The average length of the day in September in Chewele is 12h and 7min.On the first day of the month, sunrise is at 06:17 and sunset at 18:22. On the last day of September, in Chewele, sunrise is at 06:06 and sunset at 18:13 EAT.
Sunshine
In September, the average sunshine in Chewele is 8.5h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Chewele. The months with the lowest UV index in Chewele are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 7 during September leads to these instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chewele, Kenya
- Average high temperature in September: 33.1°C
The warmest month (with the highest average high temperature) is March (35.2°C).
The month with the lowest average high temperature is July (32.3°C).
- Average low temperature in September: 22.7°C
The month with the highest average low temperature is March (25.5°C).
The coldest months (with the lowest average low temperature) are July and August (22.3°C).
Average pressure in September
Chewele, Kenya
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is July (1014.4mbar).
The month with the lowest atmospheric pressure is March (1009.7mbar).
Average wind speed in September
Chewele, Kenya
- Average wind speed in September: 26.7km/h
The windiest month (with the highest average wind speed) is July (29.6km/h).
The calmest month (with the lowest average wind speed) is December (10.8km/h).
Average humidity in September
Chewele, Kenya
- Average humidity in September: 56%
The months with the highest relative humidity are November and December (65%).
The month with the lowest relative humidity is February (52%).
Average rainfall in September
Chewele, Kenya
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is November (102mm).
The driest months (with the least rainfall) are June and July (1mm).
Average rainfall days in September
Chewele, Kenya
- Average rainfall days in September: 4.6 days
The month with the highest number of rainy days is November (20.6 days).
The month with the least rainy days is June (1.3 days).
Average daylight in September /
Average sunshine in September
Chewele, 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: 8h and 30min
The month with the most sunshine is January (Average sunshine: 9h and 0min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).
Average sunshine days in September
Chewele, Kenya
- Average sunshine days in September: 19.9 days
The month with the most sunshine days is June (26.8 days).
The month with the least sunshine days is November (7.9 days).
Average UV index in September
Chewele, Kenya
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Chewele, Kenya
- Average cloud cover in September: 36
The month with the most cloud cover is November (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 23).
Average visibility in September
Chewele, 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).
