September weather forecast
Falealupo, Samoa

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Weather in September

As Falealupo approaches the end of the dry season in September, a slight increase in rainfall to about 102mm (4.02") becomes apparent. The temperatures remain moderately cool, sustaining the atmospheric balance between heat and precipitation. The humidity, constant throughout the year, remains so in September, ensuring continuous lush vegetation. A gentle Pacific breeze couples with the moderate heat to render an overall tropical island climate. September in Falealupo is the epitome of tropical weather consistency amidst subtle changes in temperature and rainfall.

Temperature

August and September, with an average high-temperature of 26.3°C (79.3°F), are the coldest months.

Humidity

The most humid month in Falealupo is September, with an average relative humidity of 82%.

Rainfall

The month with the least rainfall is September, when the rain falls for 21 days and typically collects 102mm (4.02") of precipitation.

Daylight

In September, the average length of the day in Falealupo is 12h and 2min.
On the first day of September, sunrise is at 06:34 and sunset at 18:26. On the last day of the month, sunrise is at 06:14 and sunset at 18:27 +13.

Sunshine

In September, the average sunshine is 7.9h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Falealupo. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 7 suggests these recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

What time of the year is the coldest in Falealupo?

Falealupo sees its lowest temperatures during August and September, with an average high-temperature of 26.3°C (79.3°F).

What are the temperatures in Falealupo in September?

September temperatures in Falealupo, Samoa, vary between a high-temperature of 26.3°C (79.3°F) and a low-temperature of 25.2°C (77.4°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in May is computed to be 31°C (87.8°F).

What is the most humid month in Falealupo?

The most humid month in Falealupo is September, with an average relative humidity of 82%.

What is the average humidity in September in Falealupo?

In September, the average relative humidity is 82%.

What is the driest month in Falealupo?

September is the month with the least rainfall. Rain falls for 21 days and accumulates 102mm (4.02") of precipitation.

How many days does it rain in September in Falealupo?

In Falealupo, during September, the rain falls for 21 days and regularly aggregates up to 102mm (4.02") of precipitation.

How many hours of daylight does Falealupo have in September?

In September, the average day length in Falealupo, Samoa, is 12h and 2min.

When is the sunrise / sunset in September in Falealupo?

On the first day of September, sunrise is at 06:34 and sunset at 18:26. On the last day of the month, sunrise is at 06:14 and sunset at 18:27 +13.

How long on average sun shines in September in Falealupo?

The average sunshine duration in September in Falealupo is 7.9h.

What is the month with the highest UV index in Falealupo?

January through December, with an average maximum UV index of 7, are months with the highest UV index in Falealupo.

When is the lowest UV index in Falealupo?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in Falealupo, Samoa.

What is the UV index intensity in September in Falealupo?

The average daily maximum UV index in September in Falealupo, Samoa, is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.

Average temperature in September
Falealupo, Samoa

Average temperature in September - Falealupo, Samoa
  • Average high temperature in September: 26.3°C

The warmest month (with the highest average high temperature) is April (27.5°C).
The months with the lowest average high temperature are August and September (26.3°C).

  • Average low temperature in September: 25.2°C

The month with the highest average low temperature is April (26.4°C).
The coldest months (with the lowest average low temperature) are July, August and September (25.2°C).

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Average pressure in September
Falealupo, Samoa

Average pressure in September - Falealupo, Samoa
  • Average pressure in September: 1012.2mbar

The month with the highest atmospheric pressure is September (1012.2mbar).
The month with the lowest atmospheric pressure is January (1007.4mbar).

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Average wind speed in September
Falealupo, Samoa

Average wind speed in September - Falealupo, Samoa
  • Average wind speed in September: 25.5km/h

The windiest month (with the highest average wind speed) is July (26.7km/h).
The calmest month (with the lowest average wind speed) is March (16.5km/h).

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Average humidity in September
Falealupo, Samoa

Average humidity in September - Falealupo, Samoa
  • Average humidity in September: 82%

The month with the highest relative humidity is September (82%).
The months with the lowest relative humidity are March and April (79%).

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Average rainfall in September
Falealupo, Samoa

Average rainfall in September - Falealupo, Samoa
  • Average rainfall in September: 102mm

The wettest month (with the highest rainfall) is January (459mm).
The driest month (with the least rainfall) is September (102mm).

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Average rainfall days in September
Falealupo, Samoa

Average rainfall days in September - Falealupo, Samoa
  • Average rainfall days in September: 21 days

The month with the highest number of rainy days is March (29.3 days).
The month with the least rainy days is September (21 days).

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Average daylight in September /
Average sunshine in September
Falealupo, Samoa

Average daylight in September / Average sunshine in September - Falealupo, Samoa
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 18min).

  • Average sunshine in September: 7h and 5min

The month with the most sunshine is March (Average sunshine: 8h and 6min).
The months with the least sunshine are January and February (Average sunshine: 7h and 6min).

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Average sunshine days in September
Falealupo, Samoa

Average sunshine days in September - Falealupo, Samoa
  • Average sunshine days in September: 6.3 days

The month with the most sunshine days is August (6.7 days).
The month with the least sunshine days is February (0.8 days).

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Average UV index in September
Falealupo, Samoa

Average UV index in September - Falealupo, Samoa
  • Average UV index in September: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

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Average cloud cover in September
Falealupo, Samoa

Average cloud cover in September - Falealupo, Samoa
  • Average cloud cover in September: 44

The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is March (Cloud cover 43).

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Average visibility in September
Falealupo, Samoa

Average visibility in September - Falealupo, Samoa
  • Average visibility in September: 10km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).

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Falealupo, Samoa

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