Weathermondo.com
AustraliaThe weather in September in Onslow
It's hot in September in Onslow with an average temperature of 31°C. Temperatures this month range from a low of 29°C to a high of 34°C. At night, you can expect temperatures between 16°C and 19°C.
September is an awesome month to be in Onslow for sunny weather. You’ll have high temperatures and not much chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Onslow, Australia. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 42°C in 2023, Onslow reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 24°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 12°C to a highest value of 24°C.
Rainfall amount
According to weather history, there is only 2,5 mm of precipitation in September. The wind speed is around 5 Bft, mostly coming from the Southwest.
Daily weather in September for Onslow
Click on any day in September to get detailed info about the usual weather on that day in Onslow. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Onslow | New York | |
|---|---|---|
| Average temperature | 31°C | 27°C |
| Max. temperature | 34°C | 31°C |
| Min. temperature | 16°C | -5°C |
| Total precipitation | 2,5 mm | 57 mm |
| Rainy days | 1 day | 9 days |
Start of September
The month of September starts in Onslow with hot temps, averaging around 30°C during the day and nights around 18°C.
Mid September
By mid-September, daytime temps rise to around 33°C, with nights around 19°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.
End of September
By the end of September, the average daytime temperature in Onslow is around 32°C, while nighttime temps are about 18°C. No precipitation expected at the end of the month; it’ll be mostly sunny.
Find affordable trips to Onslow
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Onslow for all months and discover the best travel time
Curious about the weather in other parts of Australia? Check out the climate and weather for spots like Sydney, Gold Coast, Melbourne, or explore other destinations in Australia.
Temperature charts
These charts show the average temperatures in September in Onslow, Australia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Onslow
Temperature in September in Onslow over the years
Precipitation charts
These charts show the average amount of precipitation in September in Onslow, Australia. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Onslow
Total precipitation in September in Onslow over the years
Daily UV index in September in Onslow
This chart shows the average daily UV index in September in Onslow, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Onslow
Have you been to Onslow in September?
Share your weather experience in September in Onslow.
Average weather in Onslow by month
Click on a month below to see detailed weather info for Onslow. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.