September weather forecastPort Douglas, Australia
September
Weather in September
September in Port Douglas offers the perfect springtime weather. With an average rainfall of just 6mm (0.24"), it is the second driest month. Lengthening sunshine hours combined with increasing temperature signals the arrival of warmer days. The rising warmth of the sea adds to the revitalizing beach visits. Winds become less forceful, thus facilitating a peaceful outdoor atmosphere.Temperature
September's onset records an average high-temperature of a still warm 25.5°C (77.9°F), a near match to August's 24°C (75.2°F). During September, the temperature in Port Douglas, Australia, tends to dip to an average of 20°C (68°F) at night.Humidity
The months with the lowest humidity in Port Douglas are September and October, with an average relative humidity of 74%.Rainfall
September is the month with the least rainfall in Port Douglas. Rain falls for 5.5 days and accumulates 6mm (0.24") of precipitation.Sea temperature
In Port Douglas, in September, the average water temperature is 25°C (77°F).Note: A water temperature from 25°C (77°F) to 29°C (84.2°F) is considered very warm and enjoyable, allowing water activities to be pleasant for extended periods without irritation.
Daylight
In September, the average length of the day is 12h and 1min.On the first day of September in Port Douglas, sunrise is at 6:24 am and sunset at 6:11 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 6:15 pm AEST.
Sunshine
In Port Douglas, the average sunshine in September is 9h.UV index
In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 6 in September translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Caution! Sand and water reflections can notably increase the UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Port Douglas, Australia
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is February (29.4°C).
The month with the lowest average high temperature is July (23.2°C).
- Average low temperature in September: 20°C
The month with the highest average low temperature is February (24.8°C).
The coldest month (with the lowest average low temperature) is August (18.7°C).
Average pressure in September
Port Douglas, Australia
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is July (1016.4mbar).
The month with the lowest atmospheric pressure is January (1007.4mbar).
Average wind speed in September
Port Douglas, Australia
- Average wind speed in September: 13.8km/h
The windiest month (with the highest average wind speed) is May (16.7km/h).
The calmest month (with the lowest average wind speed) is February (11.2km/h).
Average humidity in September
Port Douglas, Australia
- Average humidity in September: 74%
The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are September and October (74%).
Average rainfall in September
Port Douglas, Australia
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is January (155mm).
The driest month (with the least rainfall) is September (6mm).
Average rainfall days in September
Port Douglas, Australia
- Average rainfall days in September: 5.5 days
The month with the highest number of rainy days is January (19.8 days).
The month with the least rainy days is September (5.5 days).
Average sea temperature in September
Port Douglas, Australia
- Average sea temperature in September: 25°C
The best month for swimming (with the highest average sea temperature) is January (29.5°C).
The coldest month (with the lowest average sea temperature) is July (23.7°C).
Average daylight in September /
Average sunshine in September
Port Douglas, Australia
- 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 12min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is November (Average sunshine: 10h and 42min).
The months with the least sunshine are May and June (Average sunshine: 5h and 36min).
Average sunshine days in September
Port Douglas, Australia
- Average sunshine days in September: 21 days
The month with the most sunshine days is October (21.9 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in September
Port Douglas, Australia
- Average UV index in September: 6
The months with the highest UV index are January, February, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in September
Port Douglas, Australia
- Average cloud cover in September: 30
The months with the most cloud cover are March and May (Cloud cover 46).
The months with the least cloud cover are September and October (Cloud cover 30).
Average visibility in September
Port Douglas, 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).
