September weather forecastKoonibba, Australia
September
Weather in September
September, the first month of the spring in Koonibba, is a pleasant month, with an average temperature fluctuating between 20.5°C (68.9°F) and 11.9°C (53.4°F).Temperature
September brings an average high-temperature of an agreeable 20.5°C (68.9°F), showing a slight difference from August's 18.1°C (64.6°F). Koonibba, in September, observes a steady average low-temperature of 11.9°C (53.4°F).Humidity
The average relative humidity in September is 59%.Rainfall
September is the month with the least rainfall. Rain falls for 7.8 days and accumulates 12mm (0.47") of precipitation.Daylight
The average length of the day in September in Koonibba is 11h and 54min.On the first day of the month, sunrise is at 6:52 am and sunset at 6:19 pm. On the last day of September, sunrise is at 6:14 am and sunset at 6:37 pm ACST.
Sunshine
In Koonibba, Australia, the average sunshine in September is 8.8h.UV index
In Koonibba, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Koonibba, Australia
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is January (28.7°C).
The month with the lowest average high temperature is July (16.8°C).
- Average low temperature in September: 11.9°C
The month with the highest average low temperature is January (19.5°C).
The coldest month (with the lowest average low temperature) is August (11.1°C).
Average pressure in September
Koonibba, Australia
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is June (1022.6mbar).
The month with the lowest atmospheric pressure is January (1012.1mbar).
Average wind speed in September
Koonibba, Australia
- Average wind speed in September: 20km/h
The windiest month (with the highest average wind speed) is January (21.4km/h).
The calmest month (with the lowest average wind speed) is April (16.8km/h).
Average humidity in September
Koonibba, Australia
- Average humidity in September: 59%
The months with the highest relative humidity are June, July and August (63%).
The month with the lowest relative humidity is December (53%).
Average rainfall in September
Koonibba, Australia
- Average rainfall in September: 12mm
The wettest months (with the highest rainfall) are August and November (24mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days in September
Koonibba, Australia
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is February (5.2 days).
Average daylight in September /
Average sunshine in September
Koonibba, 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 48min
The month with the most sunshine is February (Average sunshine: 9h and 18min).
The months with the least sunshine are May and June (Average sunshine: 8h and 0min).
Average sunshine days in September
Koonibba, Australia
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in September
Koonibba, Australia
- Average UV index in September: 5
The month with the highest UV index is December (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 4).
Average cloud cover in September
Koonibba, Australia
- Average cloud cover in September: 24
The months with the most cloud cover are May, June and July (Cloud cover 31).
The month with the least cloud cover is February (Cloud cover 18).
Average visibility in September
Koonibba, 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).
