September weather forecastNelson Bay, Australia
September
Weather in September
September, the first month of the spring in Nelson Bay, is a pleasant month, with an average temperature fluctuating between 20.1°C (68.2°F) and 13.2°C (55.8°F).Temperature
Nelson Bay experiences an average high-temperature of a pleasant 20.1°C (68.2°F) with the onset of September, subtly varied from August's 17.4°C (63.3°F). In the month of September, Nelson Bay witnesses a consistent average low-temperature of 13.2°C (55.8°F).Humidity
The months with the lowest humidity in Nelson Bay are August and September, with an average relative humidity of 69%.Rainfall
In September, in Nelson Bay, the rain falls for 10.7 days. Throughout September, 45mm (1.77") of precipitation is accumulated. Throughout the year, there are 160.9 rainfall days, and 620mm (24.41") of precipitation is accumulated.Sea temperature
In Nelson Bay, the average seawater temperature in September is 19.4°C (66.9°F).Note: Most people find swimming in 19.4°C (66.9°F) to be not enjoyable. The control of one's breathing becomes more challenging as the water temperature drops below 21°C (69.8°F).
Daylight
In September, the average length of the day in Nelson Bay is 11h and 53min.On the first day of the month, sunrise is at 6:08 am and sunset at 5:34 pm. On the last day of September, sunrise is at 5:29 am and sunset at 5:52 pm AEST.
Sunshine
In Nelson Bay, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index in Nelson Bay is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 5 transforms into the following advice:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nelson Bay, Australia
- Average high temperature in September: 20.1°C
The warmest month (with the highest average high temperature) is January (26.7°C).
The month with the lowest average high temperature is July (16.3°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is January (20.3°C).
The coldest month (with the lowest average low temperature) is August (10.8°C).
Average pressure in September
Nelson Bay, Australia
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is June (1020.9mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).
Average wind speed in September
Nelson Bay, Australia
- Average wind speed in September: 15.8km/h
The windiest month (with the highest average wind speed) is August (16.7km/h).
The calmest month (with the lowest average wind speed) is April (14.1km/h).
Average humidity in September
Nelson Bay, Australia
- Average humidity in September: 69%
The month with the highest relative humidity is February (77%).
The months with the lowest relative humidity are August and September (69%).
Average rainfall in September
Nelson Bay, Australia
- Average rainfall in September: 45mm
The wettest month (with the highest rainfall) is February (79mm).
The driest month (with the least rainfall) is August (34mm).
Average rainfall days in September
Nelson Bay, Australia
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is August (10.2 days).
Average sea temperature in September
Nelson Bay, Australia
- Average sea temperature in September: 19.4°C
The best months for swimming (with the highest average sea temperature) are February and March (24.3°C).
The coldest month (with the lowest average sea temperature) is August (19.1°C).
Average daylight in September /
Average sunshine in September
Nelson Bay, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 48min
The months with the most sunshine are November and December (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in September
Nelson Bay, Australia
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is February (12.4 days).
Average UV index in September
Nelson Bay, Australia
- Average UV index in September: 5
The months with the highest UV index are January, February, November and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 4).
Average cloud cover in September
Nelson Bay, Australia
- Average cloud cover in September: 24
The month with the most cloud cover is February (Cloud cover 39).
The months with the least cloud cover are August and September (Cloud cover 24).
Average visibility in September
Nelson Bay, Australia
- 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).
