September weather forecastKoojan, Australia
September
Weather in September
The first month of the spring, September, is still a comfortable month in Koojan, Australia, with an average temperature fluctuating between 8.2°C (46.8°F) and 19.7°C (67.5°F).Temperature
The start of September marks an average high-temperature of a still enjoyable 19.7°C (67.5°F), hardly distinguishable from the conditions in August. During September, Koojan's temperature averages to a chilly 8.2°C (46.8°F) at night.Humidity
In Koojan, the average relative humidity in September is 75%.Rainfall
In Koojan, in September, during 9.9 rainfall days, 12mm (0.47") of precipitation is typically accumulated. In Koojan, Australia, during the entire year, the rain falls for 85.8 days and collects up to 190mm (7.48") of precipitation.Daylight
In September, the average length of the day is 11h and 55min.On the first day of the month, sunrise is at 6:31 am and sunset at 6:00 pm. On the last day of September, sunrise is at 5:54 am and sunset at 6:16 pm AWST.
Sunshine
In Koojan, Australia, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 5 during September translates into the following guidance:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Koojan, Australia
- Average high temperature in September: 19.7°C
The warmest month (with the highest average high temperature) is January (34.8°C).
The month with the lowest average high temperature is July (17.1°C).
- Average low temperature in September: 8.2°C
The month with the highest average low temperature is February (20.9°C).
The coldest month (with the lowest average low temperature) is August (7.8°C).
Average pressure in September
Koojan, Australia
- Average pressure in September: 1019mbar
The month with the highest atmospheric pressure is July (1020.8mbar).
The month with the lowest atmospheric pressure is January (1010.1mbar).
Average wind speed in September
Koojan, Australia
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is January (14.8km/h).
The calmest month (with the lowest average wind speed) is July (10.7km/h).
Average humidity in September
Koojan, Australia
- Average humidity in September: 75%
The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is February (43%).
Average rainfall in September
Koojan, Australia
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is August (31mm).
The driest month (with the least rainfall) is December (8mm).
Average rainfall days in September
Koojan, Australia
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is August (11 days).
The month with the least rainy days is December (4.5 days).
Average daylight in September /
Average sunshine in September
Koojan, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is January (Average sunshine: 11h and 42min).
The month with the least sunshine is July (Average sunshine: 6h and 0min).
Average sunshine days in September
Koojan, Australia
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is December (25 days).
The month with the least sunshine days is August (17.6 days).
Average UV index in September
Koojan, Australia
- Average UV index in September: 5
The months with the highest UV index are January, February and December (UV index 7).
The months with the lowest UV index are June, July and August (UV index 4).
Average cloud cover in September
Koojan, Australia
- Average cloud cover in September: 31
The months with the most cloud cover are July and August (Cloud cover 35).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in September
Koojan, Australia
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The month with the lowest visibility is August (8km).
