September weather forecastRockingham, Australia
September
Weather in September
September, the first month of the spring in Rockingham, is still a comfortable month, with an average temperature varying between 17.5°C (63.5°F) and 12.1°C (53.8°F).Temperature
In Rockingham, September's average high-temperature stands at a still refreshing 17.5°C (63.5°F), closely related to the preceding month. During September, Rockingham witnesses a consistent average low-temperature of 12.1°C (53.8°F).Humidity
The average relative humidity in September in Rockingham is 72%.Rainfall
In Rockingham, in September, it is raining for 13.6 days, with typically 41mm (1.61") of accumulated precipitation. Throughout the year, there are 121.8 rainfall days, and 436mm (17.17") of precipitation is accumulated.Daylight
In Rockingham, Australia, the average length of the day in September is 11h and 54min.On the first day of September in Rockingham, sunrise is at 6:33 am and sunset at 6:00 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 6:18 pm AWST.
Sunshine
In September, the average sunshine in Rockingham is 8.2h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: An average UV index of 5 in September transforms into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rockingham, Australia
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is February (27.1°C).
The month with the lowest average high temperature is July (16.7°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is February (19.5°C).
The coldest months (with the lowest average low temperature) are August and September (12.1°C).
Average pressure in September
Rockingham, Australia
- Average pressure in September: 1019mbar
The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is January (1011.7mbar).
Average wind speed in September
Rockingham, Australia
- Average wind speed in September: 18.8km/h
The windiest month (with the highest average wind speed) is January (20.6km/h).
The calmest month (with the lowest average wind speed) is April (17km/h).
Average humidity in September
Rockingham, Australia
- Average humidity in September: 72%
The months with the highest relative humidity are July and August (73%).
The month with the lowest relative humidity is January (61%).
Average rainfall in September
Rockingham, Australia
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is June (81mm).
The driest months (with the least rainfall) are March and December (12mm).
Average rainfall days in September
Rockingham, Australia
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (5.1 days).
Average daylight in September /
Average sunshine in September
Rockingham, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in September: 8h and 12min
The months with the most sunshine are January and December (Average sunshine: 11h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 42min).
Average sunshine days in September
Rockingham, Australia
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is August (11.8 days).
Average UV index in September
Rockingham, Australia
- Average UV index in September: 5
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are June, July and August (UV index 4).
Average cloud cover in September
Rockingham, Australia
- Average cloud cover in September: 33
The month with the most cloud cover is July (Cloud cover 39).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in September
Rockingham, 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).





