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
In Monrovia, September's average high-temperature stands at a still warm 26.8°C (80.2°F), closely related to the preceding month. Monrovia, during September nights, witnesses an average temperature marginally cooler than its daytime highs, at a still warm 24.3°C (75.7°F).Humidity
The most humid month is September, with an average relative humidity of 86%.Rainfall
In Monrovia, in September, it is raining for 29 days, with typically 265mm (10.43") of accumulated precipitation. Throughout the year, there are 298.8 rainfall days, and 1903mm (74.92") of precipitation is accumulated.Sea temperature
The months with the coldest seawater are August and September, with an average sea temperature of 27°C (80.6°F).Note: Water temperature ranging from 25°C (77°F) to 29°C (84.2°F) is seen as very warm and delightful by everyone. During these temperatures, water activities become enjoyable, without causing discomfort for extended periods.
Daylight
In September, the average length of the day is 12h and 9min.On the first day of September in Monrovia, 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
In September, the average sunshine is 5.7h.UV index
June through September, with an average maximum UV index of 6, are months with the lowest UV index in Monrovia, Liberia. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
Frequently asked questions
What is the usual temperature for Monrovia in September?
What is the most humid month in Monrovia?
What is the average humidity in September in Monrovia?
How much does it rain in Monrovia in September?
What are the months with the coldest sea water in Monrovia?
What is the water temperature in September in Monrovia?
How many hours of daylight does Monrovia have in September?
What time are sunrise and sunset in September in Monrovia?
How many hours of sunshine does Monrovia have in September?
When is the lowest UV index in Monrovia?
What is the UV index intensity in September in Monrovia?
Average temperature in September
Monrovia, 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
Monrovia, 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
Monrovia, 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
Monrovia, 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
Monrovia, 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
Monrovia, 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 sea temperature in September
Monrovia, Liberia
- Average sea temperature in September: 27°C
The best month for swimming (with the highest average sea temperature) is May (28.9°C).
The coldest months (with the lowest average sea temperature) are August and September (27°C).
Average daylight in September /
Average sunshine in September
Monrovia, Liberia
- Average daylight in September: 12h and 1min
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 4min
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
Monrovia, 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
Monrovia, 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
Monrovia, 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
Monrovia, 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).
Monrovia, Liberia
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