September weather forecastSembehun, Liberia
September
Weather in September
September, the first month of the autumn in Sembehun, is still a warm month, with an average temperature ranging between min 21.5°C (70.7°F) and max 28.4°C (83.1°F).Temperature
The weather during September records an average high-temperature of a still moderately hot 28.4°C (83.1°F), closely mirroring the preceding month. An average low-temperature of 21.5°C (70.7°F) is noted during the nights in September.Heat index
The heat index value for September is calculated to be a sweltering 35°C (95°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values remain especially vital for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
In September, the average relative humidity in Sembehun is 92%.Rainfall
In Sembehun, in September, during 29.7 rainfall days, 260mm (10.24") of precipitation is typically accumulated. Throughout the year, in Sembehun, there are 270.4 rainfall days, and 1590mm (62.6") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 10min.On the first day of the month, sunrise is at 06:37 and sunset at 18:52. On the last day of September, sunrise is at 06:33 and sunset at 18:37 GMT.
Sunshine
The average sunshine in September in Sembehun is 4.6h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the UV index of 6 transforms into the following advice:
Deflect overexposure. Sun protection is a necessity. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sembehun, Liberia
- Average high temperature in September: 28.4°C
The warmest month (with the highest average high temperature) is February (36.3°C).
The month with the lowest average high temperature is August (27°C).
- Average low temperature in September: 21.5°C
The month with the highest average low temperature is April (23.2°C).
The coldest month (with the lowest average low temperature) is January (19.7°C).
Average pressure in September
Sembehun, Liberia
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is July (1014.3mbar).
The months with the lowest atmospheric pressure are February and March (1010.6mbar).
Average wind speed in September
Sembehun, Liberia
- Average wind speed in September: 4.7km/h
The windiest month (with the highest average wind speed) is August (5.5km/h).
The calmest month (with the lowest average wind speed) is November (3.4km/h).
Average humidity in September
Sembehun, Liberia
- Average humidity in September: 92%
The month with the highest relative humidity is August (93%).
The month with the lowest relative humidity is January (65%).
Average rainfall in September
Sembehun, Liberia
- Average rainfall in September: 260mm
The wettest month (with the highest rainfall) is August (296mm).
The driest month (with the least rainfall) is January (8mm).
Average rainfall days in September
Sembehun, Liberia
- Average rainfall days in September: 29.7 days
The month with the highest number of rainy days is October (30.3 days).
The month with the least rainy days is January (5.8 days).
Average daylight in September /
Average sunshine in September
Sembehun, Liberia
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in September: 4h and 36min
The month with the most sunshine is January (Average sunshine: 9h and 36min).
The month with the least sunshine is August (Average sunshine: 2h and 54min).
Average sunshine days in September
Sembehun, Liberia
- Average sunshine days in September: 0.1 days
The month with the most sunshine days is January (22.1 days).
The month with the least sunshine days is September (0.1 days).
Average UV index in September
Sembehun, Liberia
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April and December (UV index 7).
The months with the lowest UV index are July and August (UV index 5).
Average cloud cover in September
Sembehun, Liberia
- Average cloud cover in September: 79
The month with the most cloud cover is August (Cloud cover 87).
The month with the least cloud cover is January (Cloud cover 25).
Average visibility in September
Sembehun, Liberia
- Average visibility in September: 6km
The month with the highest visibility is March (9km).
The months with the lowest visibility are June, July, August, September and October (6km).
