September weather forecastBongabonga, Vanuatu
September
Weather in September
The month of September is characterized by a slight increase in average temperatures, with a rise to the bracket of 23.6°C (74.5°F) to 24.7°C (76.5°F). The number of sunshine days increases, signaling the approach of sunnier times. Bongabonga's ever-present breeze continues to affect the city's weather pattern. The changing temperature and rainfall patterns indicate the transitional nature of the September weather. These weather dynamics of September make way for an engaging October.Temperature
The dawn of September in Bongabonga sees an average high-temperature of a still moderately hot 24.7°C (76.5°F), subtly contrasting with August's 24.6°C (76.3°F). A steady low-temperature average of 23.6°C (74.5°F) is logged in Bongabonga, Vanuatu, during September, reflecting a modest dip from daytime readings.Humidity
January, May, July through September, with an average relative humidity of 77%, are the least humid months.Rainfall
In Bongabonga, during September, the rain falls for 13.8 days and regularly aggregates up to 43mm (1.69") of precipitation. Throughout the year, there are 231.1 rainfall days, and 1033mm (40.67") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 0min.On the first day of the month, sunrise is at 05:52 and sunset at 17:39. On the last day of September, sunrise is at 05:28 and sunset at 17:42 +11.
Sunshine
In Bongabonga, the average sunshine in September is 6.9h.UV index
The months with the lowest UV index are May through October, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Deflect overexposure. Sun protection is a necessity. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bongabonga, Vanuatu
- Average high temperature in September: 24.7°C
The warmest month (with the highest average high temperature) is February (28.6°C).
The month with the lowest average high temperature is August (24.6°C).
- Average low temperature in September: 23.6°C
The month with the highest average low temperature is February (27.6°C).
The coldest month (with the lowest average low temperature) is August (23.5°C).
Average pressure in September
Bongabonga, Vanuatu
- Average pressure in September: 1014.5mbar
The month with the highest atmospheric pressure is August (1014.6mbar).
The month with the lowest atmospheric pressure is February (1006.7mbar).
Average wind speed in September
Bongabonga, Vanuatu
- Average wind speed in September: 25.8km/h
The windiest month (with the highest average wind speed) is July (27.1km/h).
The calmest month (with the lowest average wind speed) is January (20.4km/h).
Average humidity in September
Bongabonga, Vanuatu
- Average humidity in September: 77%
The months with the highest relative humidity are February, March, April, June, October, November and December (78%).
The months with the lowest relative humidity are January, May, July, August and September (77%).
Average rainfall in September
Bongabonga, Vanuatu
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is April (184mm).
The driest month (with the least rainfall) is July (34mm).
Average rainfall days in September
Bongabonga, Vanuatu
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is March (25.9 days).
The month with the least rainy days is September (13.8 days).
Average daylight in September /
Average sunshine in September
Bongabonga, Vanuatu
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 6min).
- Average sunshine in September: 6h and 54min
The month with the most sunshine is February (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 4h and 54min).
Average sunshine days in September
Bongabonga, Vanuatu
- Average sunshine days in September: 8.7 days
The month with the most sunshine days is October (9.8 days).
The month with the least sunshine days is March (2.3 days).
Average UV index in September
Bongabonga, Vanuatu
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, November and December (UV index 7).
The months with the lowest UV index are May, June, July, August, September and October (UV index 6).
Average cloud cover in September
Bongabonga, Vanuatu
- Average cloud cover in September: 50
The month with the most cloud cover is June (Cloud cover 55).
The month with the least cloud cover is February (Cloud cover 43).
Average visibility in September
Bongabonga, Vanuatu
- 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).





