September weather forecastRoebourne, Australia
September
Weather in September
September, the first month of the spring in Roebourne, is still a warm month, with temperature in the range of an average low of 21.7°C (71.1°F) and an average high of 28.6°C (83.5°F).Temperature
The advent of September observes an average high-temperature of a still moderately hot 28.6°C (83.5°F), nearly identical to August's 26.7°C (80.1°F). Throughout September, Roebourne witnesses a consistent average low-temperature of 21.7°C (71.1°F).Heat index
In September, the average heat index is evaluated at 29°C (84.2°F). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
The months with the lowest humidity in Roebourne are July through October, with an average relative humidity of 46%.Rainfall
August through October are months with the least rain in Roebourne when the rain falls for 0.6 days and typically aggregates up to 1mm (0.04") of rain.Daylight
In September, the average length of the day is 11h and 59min.On the first day of September, sunrise is at 6:20 am and sunset at 6:02 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 6:09 pm AWST.
Sunshine
The average sunshine in September in Roebourne is 10.3h.UV index
In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 7 in September leads to these recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Roebourne, Australia
- Average high temperature in September: 28.6°C
The warmest month (with the highest average high temperature) is March (34.2°C).
The month with the lowest average high temperature is July (25.7°C).
- Average low temperature in September: 21.7°C
The month with the highest average low temperature is March (28.9°C).
The coldest month (with the lowest average low temperature) is July (19.8°C).
Average pressure in September
Roebourne, Australia
- Average pressure in September: 1014.5mbar
The month with the highest atmospheric pressure is July (1016.9mbar).
The month with the lowest atmospheric pressure is January (1005mbar).
Average wind speed in September
Roebourne, Australia
- Average wind speed in September: 19.5km/h
The windiest month (with the highest average wind speed) is November (21.8km/h).
The calmest month (with the lowest average wind speed) is April (17.1km/h).
Average humidity in September
Roebourne, Australia
- Average humidity in September: 46%
The month with the highest relative humidity is January (62%).
The months with the lowest relative humidity are July, August, September and October (46%).
Average rainfall in September
Roebourne, Australia
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is February (67mm).
The driest months (with the least rainfall) are August, September and October (1mm).
Average rainfall days in September
Roebourne, Australia
- Average rainfall days in September: 0.6 days
The month with the highest number of rainy days is January (9.3 days).
The month with the least rainy days is October (0.5 days).
Average daylight in September /
Average sunshine in September
Roebourne, Australia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in September: 10h and 18min
The month with the most sunshine is November (Average sunshine: 12h and 18min).
The month with the least sunshine is June (Average sunshine: 7h and 12min).
Average sunshine days in September
Roebourne, Australia
- Average sunshine days in September: 29.2 days
The month with the most sunshine days is August (30 days).
The month with the least sunshine days is January (20.5 days).
Average UV index in September
Roebourne, Australia
- Average UV index in September: 7
The months with the highest UV index are February, March, October and December (UV index 8).
The months with the lowest UV index are May, June, July and August (UV index 6).
Average cloud cover in September
Roebourne, Australia
- Average cloud cover in September: 3
The month with the most cloud cover is January (Cloud cover 19).
The month with the least cloud cover is September (Cloud cover 3).
Average visibility in September
Roebourne, 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).





