September weather forecastSatuiatua, Samoa
September
Weather in September
As September arrives, the weather in Satuiatua springs a pleasant surprise with a palpable rise in sunshine hours but a steady temperature range. This trend is coupled with a consistent low amount of rainfall - 102mm (4.02"), further amplifying its dry attributes. The noteworthy part in this transition is the slight fall in breezy conditions complemented with an increase in daylight. The relative stability in most parameters, together with a higher number of sunny days, gives September its unique calm and temperate climatic identity.Temperature
Satuiatua experiences the lowest of its temperatures in August and September, when the average high-temperatures rise to 26.3°C (79.3°F).Humidity
September is the most humid month in Satuiatua, with an average relative humidity of 82%.Rainfall
September is the month with the least rainfall. Rain falls for 21 days and accumulates 102mm (4.02") of precipitation.Daylight
In Satuiatua, the average length of the day in September is 12h and 2min.On the first day of September, sunrise is at 06:34 and sunset at 18:25. On the last day of the month, sunrise is at 06:13 and sunset at 18:26 +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. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 7 in September converts into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Satuiatua, 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).
Average pressure in September
Satuiatua, 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).
Average wind speed in September
Satuiatua, 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).
Average humidity in September
Satuiatua, 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%).
Average rainfall in September
Satuiatua, 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).
Average rainfall days in September
Satuiatua, 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).
Average daylight in September /
Average sunshine in September
Satuiatua, 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 54min
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).
Average sunshine days in September
Satuiatua, 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).
Average UV index in September
Satuiatua, 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
Satuiatua, 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).
Average visibility in September
Satuiatua, 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).





