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
Lalomanu's coldest month, September, registers temperatures that range from a high of 27.3°C (81.1°F) to a low of 26.3°C (79.3°F).Heat index
The heat index value for September is evaluated at a tropical 30°C (86°F). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
The months with the highest humidity are June through September, with an average relative humidity of 78%.Rainfall
September is the month with the least rainfall. Rain falls for 18.7 days and accumulates 57mm (2.24") of precipitation.Sea temperature
August and September, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater.Note: Water temperatures ranging between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, making swimming, diving, and similar water activities pleasurable for extended periods.
Daylight
The average length of the day in September in Lalomanu is 12h and 2min.On the first day of the month, sunrise is at 06:29 and sunset at 18:21. On the last day of September, in Lalomanu, Samoa, sunrise is at 06:08 and sunset at 18:22 +13.
Sunshine
The average sunshine in September is 7.8h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. 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 vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the UV index of 7 transforms into the following advice:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Heads up! The reflection of sand and water notably intensifies UV rays from the Sun.
Frequently asked questions
What is the coldest time of year in Lalomanu?
What is the average September temperature in Lalomanu?
What is the most humid month in Lalomanu?
What is the average humidity in September in Lalomanu?
What is the driest month in Lalomanu?
How many days does it rain in September in Lalomanu?
What months are the sea coldest in Lalomanu?
What is the sea water temperature in September in Lalomanu?
What is the average length of the day in September in Lalomanu?
When are sunrise and sunset in September in Lalomanu?
How long on average sun shines in September in Lalomanu?
What are the months with the highest UV index in Lalomanu?
What are the months with the lowest UV index in Lalomanu?
What is the UV index intensity in September in Lalomanu?
Average temperature in September
Lalomanu, Samoa
- Average high temperature in September: 27.3°C
The warmest months (with the highest average high temperature) are March and April (28.7°C).
The month with the lowest average high temperature is September (27.3°C).
- Average low temperature in September: 26.3°C
The month with the highest average low temperature is January (27.6°C).
The coldest month (with the lowest average low temperature) is August (26°C).
Average pressure in September
Lalomanu, Samoa
- Average pressure in September: 1012.3mbar
The month with the highest atmospheric pressure is September (1012.3mbar).
The month with the lowest atmospheric pressure is January (1007.5mbar).
Average wind speed in September
Lalomanu, Samoa
- Average wind speed in September: 23.2km/h
The windiest month (with the highest average wind speed) is July (24.7km/h).
The calmest month (with the lowest average wind speed) is March (14.8km/h).
Average humidity in September
Lalomanu, Samoa
- Average humidity in September: 78%
The months with the highest relative humidity are June, July, August and September (78%).
The month with the lowest relative humidity is March (75%).
Average rainfall in September
Lalomanu, Samoa
- Average rainfall in September: 57mm
The wettest month (with the highest rainfall) is January (175mm).
The driest month (with the least rainfall) is September (57mm).
Average rainfall days in September
Lalomanu, Samoa
- Average rainfall days in September: 18.7 days
The month with the highest number of rainy days is April (22.7 days).
The month with the least rainy days is September (18.7 days).
Average sea temperature in September
Lalomanu, Samoa
- Average sea temperature in September: 27°C
The best months for swimming (with the highest average sea temperature) are January, February, March, April, May and December (29°C).
The coldest months (with the lowest average sea temperature) are August and September (27°C).
Average daylight in September /
Average sunshine in September
Lalomanu, 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 42min).
The month with the least sunshine is July (Average sunshine: 7h and 18min).
Average sunshine days in September
Lalomanu, Samoa
- Average sunshine days in September: 3.6 days
The month with the most sunshine days is December (10.4 days).
The month with the least sunshine days is June (2.7 days).
Average UV index in September
Lalomanu, 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).
Average cloud cover in September
Lalomanu, Samoa
- Average cloud cover in September: 44
The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is March (Cloud cover 38).
Average visibility in September
Lalomanu, Samoa
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Lalomanu, Samoa
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