September weather forecastKarnup, Australia
September
Weather in September
The first month of the spring, September, is still a comfortable month in Karnup, Australia, with an average temperature fluctuating between 12.1°C (53.8°F) and 17.5°C (63.5°F).Temperature
A minimal variation is noted in Karnup's average high-temperature at the onset of September, reaching a still enjoyable 17.5°C (63.5°F) from August's 17°C (62.6°F). Karnup, in September, experiences an average temperature of 12.1°C (53.8°F) at night.Humidity
In Karnup, the average relative humidity in September is 72%.Rainfall
In Karnup, during September, the rain falls for 13.6 days and regularly aggregates up to 41mm (1.61") of precipitation. 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 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
The average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 5 in September translates into these instructions:
Make use of precautions - It is urged to ward off sun damage. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Karnup, 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
Karnup, 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
Karnup, 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
Karnup, 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
Karnup, 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
Karnup, 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
Karnup, 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
Karnup, 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
Karnup, 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
Karnup, 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
Karnup, 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).





