September weather forecastArthington, Liberia
September
Weather in September
On the cusp of the dry season, September in the city of Arthington sees a decrease in rainfall to 265mm (10.43"). Sunshine moderately outshines the rain showers, subtly heralding the impending dry season. The cooling trend observed since July halts with temperatures stabilizing. Enhanced by sunshine levels rebounding, September's interplay between warmth and cooling rainfall sets the stage for the dry season's dawn.Temperature
The onset of September in Arthington brings an average high-temperature of a still warm 26.8°C (80.2°F), nearly matching the August temperature. Arthington registers a steady nighttime temperature averaging a still warm 24.3°C (75.7°F) throughout September.Humidity
The most humid month is September, with an average relative humidity of 86%.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
The average length of the day in September is 12h and 10min.On the first day of September, sunrise is at 06:35 and sunset at 18:49. On the last day of the month, sunrise is at 06:30 and sunset at 18:34 GMT.
Sunshine
The average sunshine in September is 5.7h.UV index
The months with the lowest UV index are June through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arthington, 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
Arthington, 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
Arthington, 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
Arthington, 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
Arthington, 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
Arthington, 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
Arthington, 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
Arthington, 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
Arthington, 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
Arthington, 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
Arthington, 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).
