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 sea temperature 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
Weather in September
Temperature
With the advent of September, Greenville's high-temperatures adjust to a still warm 26.4°C (79.5°F), closely aligning with the preceding month. Consistently, Greenville reports average nighttime temperatures of 23.6°C (74.5°F) during September, a marginal step down from its daytime highs.Humidity
September and October, with an average relative humidity of 87%, are the most humid months in Greenville, Liberia.Rainfall
In Greenville, in September, during 25.1 rainfall days, 82mm (3.23") of precipitation is typically accumulated. Throughout the year, there are 294.8 rainfall days, and 1200mm (47.24") of precipitation is accumulated.Sea temperature
In September, the average sea temperature is 26.8°C (80.2°F).Note: Between the temperatures of 25°C (77°F) and 29°C (84.2°F), water is considered very warm, providing pleasure in water activities without discomfort over lengthy periods.
Daylight
The average length of the day in September in Greenville is 12h and 9min.On the first day of September, sunrise is at 06:29 and sunset at 18:42. On the last day of the month, sunrise is at 06:23 and sunset at 18:28 GMT.
Sunshine
The months with the least sunshine in Greenville, Liberia, are August and September, with an average of 3.9h of sunshine.UV index
In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 6 during September translates into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be on guard! The reflective nature of sand and water boosts UV exposure.
Frequently asked questions
What is the usual temperature for Greenville in September?
What are the most humid months in Greenville?
What is the average humidity in September in Greenville?
How many days does it rain in September in Greenville?
What is the sea water temperature in September in Greenville?
What is the average length of the day in September in Greenville?
When is the sunrise / sunset in September in Greenville?
What is the month with the least sunshine in Greenville?
How long on average sun shines in September in Greenville?
What is the UV index intensity in September in Greenville?
Average temperature in September
Greenville, Liberia
- Average high temperature in September: 26.4°C
The warmest month (with the highest average high temperature) is April (30.5°C).
The month with the lowest average high temperature is August (26°C).
- Average low temperature in September: 23.6°C
The month with the highest average low temperature is April (25.4°C).
The coldest month (with the lowest average low temperature) is August (23.1°C).
Average pressure in September
Greenville, Liberia
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is July (1014.4mbar).
The months with the lowest atmospheric pressure are February and March (1010.4mbar).
Average wind speed in September
Greenville, Liberia
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is August (12.9km/h).
The calmest month (with the lowest average wind speed) is November (8.1km/h).
Average humidity in September
Greenville, Liberia
- Average humidity in September: 87%
The months with the highest relative humidity are September and October (87%).
The month with the lowest relative humidity is January (79%).
Average rainfall in September
Greenville, Liberia
- Average rainfall in September: 82mm
The wettest month (with the highest rainfall) is June (174mm).
The driest month (with the least rainfall) is August (36mm).
Average rainfall days in September
Greenville, Liberia
- Average rainfall days in September: 25.1 days
The month with the highest number of rainy days is October (28.8 days).
The month with the least rainy days is July (19.8 days).
Average sea temperature in September
Greenville, Liberia
- Average sea temperature in September: 26.8°C
The best month for swimming (with the highest average sea temperature) is May (29.1°C).
The coldest month (with the lowest average sea temperature) is August (26.7°C).
Average daylight in September /
Average sunshine in September
Greenville, Liberia
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in September: 3h and 5min
The month with the most sunshine is January (Average sunshine: 8h and 48min).
The months with the least sunshine are August and September (Average sunshine: 3h and 54min).
Average sunshine days in September
Greenville, Liberia
- Average sunshine days in September: 3.6 days
The months with the most sunshine days are July and August (8.5 days).
The month with the least sunshine days is November (1.4 days).
Average UV index in September
Greenville, Liberia
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May and December (UV index 7).
The months with the lowest UV index are July and August (UV index 5).
Average cloud cover in September
Greenville, Liberia
- Average cloud cover in September: 76
The month with the most cloud cover is September (Cloud cover 76).
The month with the least cloud cover is January (Cloud cover 32).
Average visibility in September
Greenville, Liberia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
Greenville, Liberia
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