September weather forecastPort Olry, Vanuatu
September
Weather in September
Though September marks the end of summer globally, Port Olry continues to bask in warm temperatures. The weather remains consistently tropical with average high temperatures settling at 26.4°C (79.5°F). A noticeable change from August is the slight increase in rainfall. While the rainfall volume is minimal, the city sees an upsurge in the number of rainy days. Consistently high wind speeds continue to cut through the warmth, providing a refreshing contrast.Temperature
Port Olry experiences a minor change to a still moderately hot 26.4°C (79.5°F) in average high-temperature during September, closely reflecting August. A steady low-temperature average of 23.2°C (73.8°F) is logged during September, reflecting a modest dip from daytime readings.Humidity
January, September, November and December, with an average relative humidity of 80%, are the least humid months.Rainfall
The month with the least rainfall is September, when the rain falls for 14 days and typically collects 38mm (1.5") of precipitation.Daylight
In Port Olry, the average length of the day in September is 12h and 1min.On the first day of September, sunrise is at 05:57 and sunset at 17:46. On the last day of the month, sunrise is at 05:35 and sunset at 17:48 +11.
Sunshine
The average sunshine in September is 7.7h.UV index
January, May through October, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 6 in September transforms into this advice:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. 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. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Port Olry, Vanuatu
- Average high temperature in September: 26.4°C
The warmest month (with the highest average high temperature) is March (28.9°C).
The month with the lowest average high temperature is July (25.9°C).
- Average low temperature in September: 23.2°C
The months with the highest average low temperature are February and March (25.2°C).
The coldest month (with the lowest average low temperature) is August (22.3°C).
Average pressure in September
Port Olry, Vanuatu
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is August (1013.1mbar).
The month with the lowest atmospheric pressure is February (1006.3mbar).
Average wind speed in September
Port Olry, Vanuatu
- Average wind speed in September: 15.2km/h
The windiest month (with the highest average wind speed) is July (15.9km/h).
The calmest month (with the lowest average wind speed) is January (10.4km/h).
Average humidity in September
Port Olry, Vanuatu
- Average humidity in September: 80%
The month with the highest relative humidity is June (83%).
The months with the lowest relative humidity are January, September, November and December (80%).
Average rainfall in September
Port Olry, Vanuatu
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is February (213mm).
The driest month (with the least rainfall) is September (38mm).
Average rainfall days in September
Port Olry, Vanuatu
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is March (26.1 days).
The month with the least rainy days is August (13.7 days).
Average daylight in September /
Average sunshine in September
Port Olry, Vanuatu
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is December (Average sunshine: 10h and 6min).
The month with the least sunshine is July (Average sunshine: 5h and 36min).
Average sunshine days in September
Port Olry, Vanuatu
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is August (12.4 days).
The month with the least sunshine days is March (3.6 days).
Average UV index in September
Port Olry, Vanuatu
- Average UV index in September: 6
The months with the highest UV index are February, March, April, November and December (UV index 7).
The months with the lowest UV index are January, May, June, July, August, September and October (UV index 6).
Average cloud cover in September
Port Olry, Vanuatu
- Average cloud cover in September: 43
The months with the most cloud cover are June, July and October (Cloud cover 45).
The month with the least cloud cover is December (Cloud cover 40).
Average visibility in September
Port Olry, Vanuatu
- Average visibility in September: 10km
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and March (9km).
