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 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
September
Weather in September
Temperature
The arrival of September marks a slight shift to an average high-temperature of a still moderately hot 28.1°C (82.6°F) from August's 27.3°C (81.1°F). Garahun's September nights witness minimal differential from the daytime temperatures, with averages of 24.4°C (75.9°F).Heat index
September's average heat index is appraised at a hot 33°C (91.4°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.Always consider that heat index estimations are for light winds and places in the shade. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for 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.
Humidity
In September, the average relative humidity is 85%.Rainfall
In Garahun, in September, it is raining for 28.6 days, with typically 220mm (8.66") of accumulated precipitation. Throughout the year, there are 205.9 rainfall days, and 1507mm (59.33") of precipitation is accumulated.Daylight
In September, the average length of the day in Garahun is 12h and 10min.On the first day of the month, sunrise is at 06:43 and sunset at 18:59. On the last day of September, in Garahun, sunrise is at 06:39 and sunset at 18:43 GMT.
Sunshine
The average sunshine in September in Garahun, Sierra Leone, is 6.7h.UV index
January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index in Garahun. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 7 in September interprets into the following advice:
Fend off overexposure. Sun protection is vital. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Garahun in September?
What is the average humidity in September in Garahun?
How much does it rain in Garahun in September?
What is the average length of the day in September in Garahun?
When are sunrise and sunset in September in Garahun?
How many hours of sunshine does Garahun have in September?
When is the highest UV index in Garahun?
What is the UV index reading in September in Garahun?
Average temperature in September
Garahun, Sierra Leone
- Average high temperature in September: 28.1°C
The warmest month (with the highest average high temperature) is January (31.4°C).
The month with the lowest average high temperature is August (27.3°C).
- Average low temperature in September: 24.4°C
The month with the highest average low temperature is May (26.2°C).
The coldest month (with the lowest average low temperature) is August (23.9°C).
Average pressure in September
Garahun, Sierra Leone
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is July (1013.8mbar).
The months with the lowest atmospheric pressure are February and March (1010.4mbar).
Average wind speed in September
Garahun, Sierra Leone
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is August (12km/h).
The calmest month (with the lowest average wind speed) is November (6.8km/h).
Average humidity in September
Garahun, Sierra Leone
- Average humidity in September: 85%
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is January (68%).
Average rainfall in September
Garahun, Sierra Leone
- Average rainfall in September: 220mm
The wettest month (with the highest rainfall) is August (391mm).
The driest month (with the least rainfall) is February (1mm).
Average rainfall days in September
Garahun, 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 February (0.8 days).
Average daylight in September /
Average sunshine in September
Garahun, Sierra Leone
- Average daylight in September: 12h and 1min
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: 6h and 4min
The month with the most sunshine is February (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 4h and 48min).
Average sunshine days in September
Garahun, Sierra Leone
- Average sunshine days in September: 0.8 days
The month with the most sunshine days is January (29 days).
The month with the least sunshine days is August (0.5 days).
Average UV index in September
Garahun, Sierra Leone
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover in September
Garahun, Sierra Leone
- Average cloud cover in September: 55
The month with the most cloud cover is August (Cloud cover 67).
The month with the least cloud cover is February (Cloud cover 11).
Average visibility in September
Garahun, Sierra Leone
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).
