Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's commencement is accompanied by an average high-temperature of an agreeable 20.3°C (68.5°F), diverging marginally from August's 17.8°C (64°F). Long Jetty experiences an average low-temperature of 12.3°C (54.1°F) in the month of September.Humidity
The average relative humidity in September in Long Jetty is 68%.Rainfall
In Long Jetty, in September, it is raining for 9.9 days, with typically 43mm (1.69") of accumulated precipitation. In Long Jetty, during the entire year, the rain falls for 156.9 days and collects up to 628mm (24.72") of precipitation.Sea temperature
August and September, with an average sea temperature of 18.8°C (65.8°F), are months with the coldest seawater.Note: For most individuals, swimming in 18.8°C (65.8°F) is not a pleasurable activity. Breathing becomes progressively more difficult as water temperature declines below 21°C (69.8°F).
Daylight
The average length of the day in September is 11h and 53min.On the first day of the month, sunrise is at 6:11 am and sunset at 5:36 pm. On the last day of September, in Long Jetty, sunrise is at 5:32 am and sunset at 5:55 pm AEST.
Sunshine
In Long Jetty, the average sunshine in September is 8.9h.UV index
The months with the lowest UV index are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
What is the average September temperature in Long Jetty?
What is the average humidity in September in Long Jetty?
How much does it rain in Long Jetty in September?
What months are the sea coldest in Long Jetty?
What is the sea water temperature in September in Long Jetty?
What is the average length of the day in September in Long Jetty?
When are sunrise and sunset in September in Long Jetty?
How many hours of sunshine does Long Jetty have in September?
What are the months with the lowest UV index in Long Jetty?
What is the UV index reading in September in Long Jetty?
Average temperature in September
Long Jetty, Australia
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is January (27°C).
The month with the lowest average high temperature is July (16.5°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is January (19.8°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).
Average pressure in September
Long Jetty, Australia
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).
Average wind speed in September
Long Jetty, Australia
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is August (13.6km/h).
The calmest month (with the lowest average wind speed) is April (12km/h).
Average humidity in September
Long Jetty, Australia
- Average humidity in September: 68%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Long Jetty, Australia
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is February (100mm).
The driest month (with the least rainfall) is August (34mm).
Average rainfall days in September
Long Jetty, Australia
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is March (16.5 days).
The month with the least rainy days is August (9.2 days).
Average sea temperature in September
Long Jetty, Australia
- Average sea temperature in September: 18.8°C
The best month for swimming (with the highest average sea temperature) is February (23.8°C).
The coldest months (with the lowest average sea temperature) are August and September (18.8°C).
Average daylight in September /
Average sunshine in September
Long Jetty, Australia
- Average daylight in September: 11h and 5min
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 5min
The month with the most sunshine is November (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in September
Long Jetty, Australia
- Average sunshine days in September: 18 days
The month with the most sunshine days is August (20 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in September
Long Jetty, Australia
- Average UV index in September: 4
The months with the highest UV index are January, February, October, November and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in September
Long Jetty, Australia
- Average cloud cover in September: 25
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Long Jetty, Australia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
Long Jetty, Australia
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