September weather forecastAttadale, Australia
September
Weather in September
The first month of the spring, September, is also an enjoyable month in Attadale, Australia, with an average temperature varying between 18.3°C (64.9°F) and 12.3°C (54.1°F).Temperature
The high-temperature average in September for Attadale, Australia, is a still refreshing 18.3°C (64.9°F), staying closely aligned with August's conditions. During September, the nighttime temperature in Attadale averages of 12.3°C (54.1°F).Humidity
The average relative humidity in September is 70%.Rainfall
In Attadale, in September, it is raining for 12.9 days, with typically 36mm (1.42") of accumulated precipitation. In Attadale, during the entire year, the rain falls for 114 days and collects up to 404mm (15.91") of precipitation.Sea temperature
The month with the coldest seawater is September, with an average sea temperature of 18.7°C (65.7°F).Note: For the majority, swimming in water with a temperature of 18.7°C (65.7°F) is not enjoyable. The difficulty in managing breathing rises as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Attadale, the average length of the day in September 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, sunrise is at 5:55 am and sunset at 6:18 pm AWST.
Sunshine
In Attadale, the average sunshine in September is 8.2h.UV index
In Attadale, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 5 in September leads to these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Attadale, Australia
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is February (27.7°C).
The month with the lowest average high temperature is July (17.2°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is February (19.8°C).
The coldest months (with the lowest average low temperature) are July and August (12.2°C).
Average pressure in September
Attadale, Australia
- Average pressure in September: 1019mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is January (1011.5mbar).
Average wind speed in September
Attadale, Australia
- Average wind speed in September: 17.9km/h
The windiest month (with the highest average wind speed) is January (19.7km/h).
The calmest month (with the lowest average wind speed) is April (16.2km/h).
Average humidity in September
Attadale, Australia
- Average humidity in September: 70%
The month with the highest relative humidity is August (72%).
The months with the lowest relative humidity are January, February and December (59%).
Average rainfall in September
Attadale, Australia
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is June (75mm).
The driest month (with the least rainfall) is March (11mm).
Average rainfall days in September
Attadale, Australia
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (4.3 days).
Average sea temperature in September
Attadale, Australia
- Average sea temperature in September: 18.7°C
The best month for swimming (with the highest average sea temperature) is March (23.3°C).
The coldest month (with the lowest average sea temperature) is September (18.7°C).
Average daylight in September /
Average sunshine in September
Attadale, 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
Attadale, Australia
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is December (24.2 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in September
Attadale, 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
Attadale, Australia
- Average cloud cover in September: 32
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
Attadale, 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).
