September weather forecastWattleup, Australia
September
Weather in September
The first month of the spring, September, is also an enjoyable month in Wattleup, Australia, with an average temperature fluctuating between 17.5°C (63.5°F) and 12.1°C (53.8°F).Temperature
With the start of September, Wattleup measures an average high-temperature of a still refreshing 17.5°C (63.5°F), not significantly differing from August's 17°C (62.6°F). In September, Wattleup experiences a temperature dip to an average of 12.1°C (53.8°F) at night.Humidity
In September, the average relative humidity in Wattleup, Australia, is 72%.Rainfall
In Wattleup, in September, during 13.6 rainfall days, 41mm (1.61") of precipitation is typically accumulated. Throughout the year, there are 121.8 rainfall days, and 436mm (17.17") of precipitation is accumulated.Daylight
The average length of the day in September in Wattleup, Australia, is 11h and 54min.On the first day of the month, sunrise is at 6:33 am and sunset at 6:00 pm. On the last day of September, in Wattleup, sunrise is at 5:55 am and sunset at 6:18 pm AWST.
Sunshine
In Wattleup, the average sunshine in September is 8.2h.UV index
In Wattleup, Australia, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The UV index of 5 during September leads to these advisories:
Take necessary precautions - Protection from skin and eye injury is mandatory. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wattleup, 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
Wattleup, 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
Wattleup, 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
Wattleup, 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
Wattleup, 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
Wattleup, 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
Wattleup, 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
Wattleup, 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
Wattleup, 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
Wattleup, 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
Wattleup, 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).





