September weather forecast
Caldwell, Liberia

Weather in September

The first month of the autumn, September, is also a moderately hot month in Caldwell, Liberia, with temperature in the range of an average high of 26.8°C (80.2°F) and an average low of 24.3°C (75.7°F).

Temperature

In Caldwell, the average high-temperature in September is relatively the same as in August - a still warm 26.8°C (80.2°F). The average low-temperature, in September, is 24.3°C (75.7°F).

Humidity

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

Rainfall

In Caldwell, Liberia, in September, it is raining for 29 days, with typically 265mm (10.43") of accumulated precipitation. In Caldwell, during the entire year, the rain falls for 298.8 days and collects up to 1903mm (74.92") of precipitation.

Daylight

In Caldwell, the average length of the day in September is 12h and 9min.
On the first day of the month, sunrise is at 06:35 and sunset at 18:50. On the last day of September, in Caldwell, sunrise is at 06:30 and sunset at 18:35 GMT.

Sunshine

In September, the average sunshine in Caldwell is 5.7h.

UV index

The months with the lowest UV index in Caldwell, Liberia, are June through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 6 in September transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Caldwell?

The average high-temperature, in September, in Caldwell, Liberia, is 26.8°C (80.2°F), while the average low-temperature is 24.3°C (75.7°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in June is computed to be 32°C (89.6°F).

What is the most humid month in Caldwell?

With an average relative humidity of 86%, September is the most humid month in Caldwell, Liberia.

What is the average humidity in September in Caldwell?

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

How much does it rain in Caldwell in September?

In Caldwell, Liberia, during September, the rain falls for 29 days and regularly aggregates up to 265mm (10.43") of precipitation.

How many hours of daylight does Caldwell have in September?

In Caldwell, the average day length in September is 12h and 9min.

What time are sunrise and sunset in September in Caldwell?

On the first day of September in Caldwell, Liberia, sunrise is at 06:35 and sunset at 18:50. On the last day of the month, sunrise is at 06:30 and sunset at 18:35 GMT.

How many hours of sunshine does Caldwell have in September?

The average sunshine duration in September in Caldwell is 5.7h.

When is the lowest UV index in Caldwell?

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

What is the UV index reading in September in Caldwell?

In Caldwell, Liberia, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in September
Caldwell, Liberia

Average temperature in September - Caldwell, 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).

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Average pressure in September
Caldwell, Liberia

Average pressure in September - Caldwell, 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).

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Average wind speed in September
Caldwell, Liberia

Average wind speed in September - Caldwell, 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).

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Average humidity in September
Caldwell, Liberia

Average humidity in September - Caldwell, 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%).

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Average rainfall in September
Caldwell, Liberia

Average rainfall in September - Caldwell, 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).

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Average rainfall days in September
Caldwell, Liberia

Average rainfall days in September - Caldwell, 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).

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Average daylight in September /
Average sunshine in September
Caldwell, Liberia

Average daylight in September / Average sunshine in September - Caldwell, Liberia
  • Average daylight in September: 12h and 9min

The month with the longest days is June (Average daylight: 12h and 29min).
The month with the shortest days is December (Average daylight: 11h and 46min).

  • 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).

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Average sunshine days in September
Caldwell, Liberia

Average sunshine days in September - Caldwell, 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).

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Average UV index in September
Caldwell, Liberia

Average UV index in September - Caldwell, 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).

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Average cloud cover in September
Caldwell, Liberia

Average cloud cover in September - Caldwell, 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).

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Average visibility in September
Caldwell, Liberia

Average visibility in September - Caldwell, 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).

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