September weather forecastBopolu, Liberia

September weather forecast for Bopolu, Liberia: In Bopolu, in September, during 29 rainfall days, 265mm (10.43") of precipitation is typically accumulated. In Bopolu, in September, it is raining for 29 days, with typically 265mm (10.43") of accumulated precipitation.

September

Weather in September

In September, Bopolu witnesses a significant drop in rainfall, signifying the end of the rainy season. The improving weather pattern opens up the city to more sunlit hours, indicating the return of the sun. With a decrease in cloud cover and humidity, temperatures begin to climb, prepping the city for the dry season ahead. After a relatively breezy August, the wind gusts decrease to 17km/h (10.6mph), seamlessly complementing the transition from the wet to dry season.

Temperature

The transition from August to September sees average high-temperatures adjusting to a still moderately hot 26.8°C (80.2°F), from a not significantly different 26.2°C (79.2°F). In September, a low-temperature average of 24.3°C (75.7°F) is characteristic of Bopolu, marking a minor shift from daytime temperatures.

Humidity

September is the most humid month, with an average relative humidity of 86%.

Rainfall

In Bopolu, in September, during 29 rainfall days, 265mm (10.43") of precipitation is typically accumulated. Throughout the year, there are 298.8 rainfall days, and 1903mm (74.92") of precipitation is accumulated.

Daylight

In Bopolu, the average length of the day in September is 12h and 10min.
On the first day of September, sunrise is at 06:34 and sunset at 18:49. On the last day of the month, sunrise is at 06:29 and sunset at 18:33 GMT.

Sunshine

In Bopolu, 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 risk from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 6 in September suggests the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

In September, the average high-temperature and low-temperature are 26.8°C (80.2°F) and 24.3°C (75.7°F) respectively. In June, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 32°C (89.6°F).

The most humid month is September, with an average relative humidity of 86%.

In September, the average relative humidity in Bopolu is 86%.

In Bopolu, in September, it is raining for 29 days, with typically 265mm (10.43") of accumulated precipitation.

The average day length in September is 12h and 10min.

On the first day of September, sunrise is at 06:34 and sunset at 18:49. On the last day of the month, sunrise is at 06:29 and sunset at 18:33 GMT.

The average sunshine duration in September is 5.7h.

The months with the lowest UV index are June through September, with an average maximum UV index of 6.

In Bopolu, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bopolu, 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
Bopolu, 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
Bopolu, 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
Bopolu, 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
Bopolu, 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
Bopolu, 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
Bopolu, 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 42min).

  • 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
Bopolu, 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
Bopolu, 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
Bopolu, 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
Bopolu, 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).