Weather in September
Temperature
September's beginning signals an average high-temperature of an agreeable 20.3°C (68.5°F), barely different from August's 18.3°C (64.9°F). In the month of September, Wollongong's average low-temperature falls to a fresh 10.6°C (51.1°F).Humidity
In Wollongong, the average relative humidity in September is 55%.Rainfall
In Wollongong, in September, during 9.3 rainfall days, 67mm (2.64") of precipitation is typically accumulated. In Wollongong, during the entire year, the rain falls for 137.3 days and collects up to 1320mm (51.97") of precipitation.Sea temperature
With an average sea temperature of 18.4°C (65.1°F), September is the month with the coldest seawater.Note: In water with a temperature of 18.4°C (65.1°F), swimming is not a joy for most people. The challenge of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Wollongong, the average length of the day in September is 11h and 53min.On the first day of September in Wollongong, sunrise is at 6:14 am and sunset at 5:38 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 5:58 pm AEST.
Frequently asked questions
What is the usual temperature for Wollongong in September?
What is the average humidity in September in Wollongong?
How many days does it rain in September in Wollongong?
What month is the sea coldest in Wollongong?
How cold is the water in September in Wollongong?
What is the average length of the day in September in Wollongong?
When are sunrise and sunset in September in Wollongong?
Average temperature in September
Wollongong, Australia
- Average high temperature in September: 20.3°C
The warmest months (with the highest average high temperature) are January and February (25.6°C).
The month with the lowest average high temperature is July (17°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is February (18.2°C).
The coldest month (with the lowest average low temperature) is July (8.3°C).
Average humidity in September
Wollongong, Australia
- Average humidity in September: 55%
The month with the highest relative humidity is February (69%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Wollongong, Australia
- Average rainfall in September: 67.4mm
The wettest month (with the highest rainfall) is March (160.4mm).
The driest month (with the least rainfall) is July (63.4mm).
Average rainfall days in September
Wollongong, Australia
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is March (14.5 days).
The month with the least rainy days is August (7.8 days).
Average sea temperature in September
Wollongong, Australia
- Average sea temperature in September: 18.4°C
The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.4°C).
Average daylight in September
Wollongong, Australia
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
Wollongong, Australia
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