September weather forecastRoyesville, Liberia
September
Weather in September
September, the first month of the autumn in Royesville, is still a warm month, with an average temperature varying between 26.8°C (80.2°F) and 24.3°C (75.7°F).Temperature
Royesville commences September with an average high-temperature of a still warm 26.8°C (80.2°F), maintaining a close resemblance to the previous month. A steady low-temperature average of 24.3°C (75.7°F) is logged during September, reflecting a modest dip from daytime readings.Humidity
With an average relative humidity of 86%, September is the most humid month.Rainfall
In September, the rain falls for 29 days. Throughout September, 265mm (10.43") of precipitation is accumulated. Throughout the year, there are 298.8 rainfall days, and 1903mm (74.92") of precipitation is accumulated.Daylight
In Royesville, the average length of the day in September is 12h and 10min.On the first day of September, sunrise is at 06:36 and sunset at 18:50. On the last day of the month, sunrise is at 06:31 and sunset at 18:35 GMT.
Sunshine
The average sunshine in September is 5.7h.UV index
The months with the lowest UV index in Royesville are June through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 during September leads to these advisories:
Guard oneself from overexposure. Defence against sun injury is vital. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Royesville, Liberia
- Average high temperature in September: 26.8°C
The warmest month (with the highest average high temperature) is January (29.9°C).
The month with the lowest average high temperature is August (26.2°C).
- Average low temperature in September: 24.3°C
The month with the highest average low temperature is April (26.2°C).
The coldest months (with the lowest average low temperature) are July and August (24.1°C).
Average pressure in September
Royesville, Liberia
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is July (1014.2mbar).
The month with the lowest atmospheric pressure is February (1010.6mbar).
Average wind speed in September
Royesville, Liberia
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is August (14.8km/h).
The calmest month (with the lowest average wind speed) is November (7.9km/h).
Average humidity in September
Royesville, Liberia
- Average humidity in September: 86%
The month with the highest relative humidity is September (86%).
The month with the lowest relative humidity is January (76%).
Average rainfall in September
Royesville, Liberia
- Average rainfall in September: 265mm
The wettest month (with the highest rainfall) is June (308mm).
The driest month (with the least rainfall) is January (31mm).
Average rainfall days in September
Royesville, Liberia
- Average rainfall days in September: 29 days
The month with the highest number of rainy days is October (30.3 days).
The month with the least rainy days is January (14.8 days).
Average daylight in September /
Average sunshine in September
Royesville, 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 48min).
- Average sunshine in September: 5h and 42min
The month with the most sunshine is January (Average sunshine: 9h and 18min).
The month with the least sunshine is August (Average sunshine: 3h and 54min).
Average sunshine days in September
Royesville, Liberia
- Average sunshine days in September: 0.3 days
The month with the most sunshine days is January (14.3 days).
The month with the least sunshine days is September (0.3 days).
Average UV index in September
Royesville, Liberia
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The months with the lowest UV index are June, July, August and September (UV index 6).
Average cloud cover in September
Royesville, Liberia
- Average cloud cover in September: 62
The month with the most cloud cover is August (Cloud cover 76).
The month with the least cloud cover is January (Cloud cover 24).
Average visibility in September
Royesville, Liberia
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are June, July, August, September and October (9km).
