September weather forecastGreenwell Point, Australia
September
Weather in September
The first month of the spring, September, is still a comfortable month in Greenwell Point, Australia, with an average temperature varying between 19.5°C (67.1°F) and 9.7°C (49.5°F).Temperature
Greenwell Point, Australia, notes an average high-temperature of a still comfortable 19.5°C (67.1°F) in September, displaying minor variation from August. The average nighttime temperature in Greenwell Point, Australia, lowers to a frosty 9.7°C (49.5°F) throughout September.Humidity
The months with the lowest humidity in Greenwell Point are August and September, with an average relative humidity of 68%.Rainfall
In Greenwell Point, in September, it is raining for 9.8 days, with typically 26mm (1.02") of accumulated precipitation. In Greenwell Point, during the entire year, the rain falls for 137.6 days and collects up to 478mm (18.82") of precipitation.Sea temperature
In Greenwell Point, the average seawater temperature in September is 18.2°C (64.8°F).Note: Swimming in 18.2°C (64.8°F) is not a pleasurable activity for the majority of people. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
In September, the average length of the day is 11h and 52min.On the first day of the month, sunrise is at 6:15 am and sunset at 5:38 pm. On the last day of September, in Greenwell Point, sunrise is at 5:34 am and sunset at 5:59 pm AEST.
Sunshine
In September, the average sunshine in Greenwell Point is 8.4h.UV index
The months with the lowest UV index in Greenwell Point, Australia, are April through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Greenwell Point, Australia
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is January (27.5°C).
The month with the lowest average high temperature is July (15.3°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is January (17.1°C).
The coldest months (with the lowest average low temperature) are July and August (7.7°C).
Average pressure in September
Greenwell Point, Australia
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is June (1020.9mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in September
Greenwell Point, Australia
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is August (11.5km/h).
The calmest months (with the lowest average wind speed) are February, March and April (9.6km/h).
Average humidity in September
Greenwell Point, Australia
- Average humidity in September: 68%
The months with the highest relative humidity are February and June (76%).
The months with the lowest relative humidity are August and September (68%).
Average rainfall in September
Greenwell Point, Australia
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is February (71mm).
The driest month (with the least rainfall) is May (25mm).
Average rainfall days in September
Greenwell Point, Australia
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is January (15.9 days).
The month with the least rainy days is August (7 days).
Average sea temperature in September
Greenwell Point, Australia
- Average sea temperature in September: 18.2°C
The best month for swimming (with the highest average sea temperature) is February (23.5°C).
The coldest month (with the lowest average sea temperature) is August (18.1°C).
Average daylight in September /
Average sunshine in September
Greenwell Point, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is November (Average sunshine: 9h and 36min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average sunshine days in September
Greenwell Point, Australia
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in September
Greenwell Point, Australia
- Average UV index in September: 4
The months with the highest UV index are January and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August and September (UV index 4).
Average cloud cover in September
Greenwell Point, Australia
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are May, July and August (Cloud cover 26).
Average visibility in September
Greenwell Point, Australia
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (9km).





