September weather forecastSataua, Samoa
September
Weather in September
Moving into September, the climatological patterns in Sataua indicate a gradual rise in humidity to 82%. As the wind speed drops to approximately 25.5km/h (15.8mph), the sunshine hours stand steady, thus maintaining a warm and humid climate for the region. The return of fairly dense clouds covering the sky up to almost 44% brings hints of transition into the latter part of the year. Even though rain showers are less frequent at this time of the year, moisture level stays relatively high, contributing to a warm and sticky climate.Temperature
The coldest period falls in August and September, when the average high-temperature reaches 26.3°C (79.3°F).Humidity
With an average relative humidity of 82%, September is the most humid month.Rainfall
September is the month with the least rainfall. Rain falls for 21 days and accumulates 102mm (4.02") of precipitation.Daylight
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 18:26. On the last day of the month, sunrise is at 06:13 and sunset at 18:27 +13.
Sunshine
The average sunshine in September 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 of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sataua, 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
Sataua, 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
Sataua, 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
Sataua, 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
Sataua, 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
Sataua, 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
Sataua, 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
Sataua, 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
Sataua, 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
Sataua, 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
Sataua, 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).
