September weather forecastRochin, Sierra Leone
September weather for Rochin, Sierra Leone: The first month of the autumn, September, is still a warm month in Rochin, Sierra Leone, with an average temperature fluctuating between 21.8°C (71.2°F) and 28.9°C (84°F). Rochin records an average high-temperature of a still warm 28.9°C (84°F) as September arrives, nearly mirroring the previous month's climate.
September
Weather in September
The first month of the autumn, September, is still a warm month in Rochin, Sierra Leone, with an average temperature fluctuating between 21.8°C (71.2°F) and 28.9°C (84°F).Temperature
Rochin records an average high-temperature of a still warm 28.9°C (84°F) as September arrives, nearly mirroring the previous month's climate. The nighttime temperature, during September, averages of 21.8°C (71.2°F).Heat index
For September, the heat index is appraised at a fiery hot 37°C (98.6°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.For clarity, heat index numbers account for light winds and areas under shade. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
In September, the average relative humidity is 92%.Rainfall
In Rochin, during September, the rain falls for 28.6 days and regularly aggregates up to 261mm (10.28") of precipitation. Throughout the year, there are 225.8 rainfall days, and 1471mm (57.91") of precipitation is accumulated.Daylight
In Rochin, the average length of the day in September is 12h and 10min.On the first day of September, sunrise is at 06:41 and sunset at 18:58. On the last day of the month, sunrise is at 06:38 and sunset at 18:41 GMT.
Sunshine
The average sunshine in September is 5.2h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: During September, 6 as the daily maximum UV index converts into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rochin, Sierra Leone
- Average high temperature in September: 28.9°C
The warmest month (with the highest average high temperature) is March (38.4°C).
The month with the lowest average high temperature is August (27.6°C).
- Average low temperature in September: 21.8°C
The month with the highest average low temperature is April (24°C).
The coldest month (with the lowest average low temperature) is December (19.7°C).
Average pressure in September
Rochin, Sierra Leone
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is July (1014.1mbar).
The months with the lowest atmospheric pressure are February and March (1010.5mbar).
Average wind speed in September
Rochin, Sierra Leone
- Average wind speed in September: 4.7km/h
The windiest month (with the highest average wind speed) is April (5.8km/h).
The calmest month (with the lowest average wind speed) is November (3.3km/h).
Average humidity in September
Rochin, Sierra Leone
- Average humidity in September: 92%
The month with the highest relative humidity is August (93%).
The months with the lowest relative humidity are January and February (58%).
Average rainfall in September
Rochin, Sierra Leone
- Average rainfall in September: 261mm
The wettest month (with the highest rainfall) is August (332mm).
The driest month (with the least rainfall) is December (3mm).
Average rainfall days in September
Rochin, Sierra Leone
- Average rainfall days in September: 28.6 days
The month with the highest number of rainy days is July (30.3 days).
The month with the least rainy days is January (2.2 days).
Average daylight in September /
Average sunshine in September
Rochin, Sierra Leone
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in September: 5h and 12min
The month with the most sunshine is January (Average sunshine: 9h and 48min).
The month with the least sunshine is August (Average sunshine: 3h and 42min).
Average sunshine days in September
Rochin, Sierra Leone
- Average sunshine days in September: 0.7 days
The month with the most sunshine days is January (27.4 days).
The month with the least sunshine days is July (0.5 days).
Average UV index in September
Rochin, Sierra Leone
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 5).
Average cloud cover in September
Rochin, Sierra Leone
- Average cloud cover in September: 76
The month with the most cloud cover is August (Cloud cover 83).
The months with the least cloud cover are January and February (Cloud cover 15).
Average visibility in September
Rochin, Sierra Leone
- Average visibility in September: 5km
The months with the highest visibility are February, March and April (10km).
The month with the lowest visibility is September (5km).
