September weather forecastKoppio, Australia
September
Weather in September
September, the first month of the spring in Koppio, is a comfortable month, with an average temperature ranging between max 16.5°C (61.7°F) and min 11.7°C (53.1°F).Temperature
Transitioning into September, Koppio records an average high-temperature of a still refreshing 16.5°C (61.7°F), almost identical to August's 15.3°C (59.5°F). During the September nights, Koppio's temperature maintains an average close to the daytime highs, settling at a fresh 11.7°C (53.1°F).Humidity
The months with the highest humidity are July through September, with an average relative humidity of 70%.Rainfall
In September, the rain falls for 12.3 days. Throughout September, 27mm (1.06") of precipitation is accumulated. Throughout the year, there are 139 rainfall days, and 280mm (11.02") of precipitation is accumulated.Daylight
The average length of the day in September in Koppio, Australia, is 11h and 53min.On the first day of September, sunrise is at 6:44 am and sunset at 6:08 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 6:28 pm ACST.
Sunshine
In Koppio, the average sunshine in September is 8h.UV index
The months with the lowest UV index are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the UV index of 4 transforms into the following advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. To guard against the harmful effects of the Sun, minimize exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Koppio, Australia
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is January (23.7°C).
The month with the lowest average high temperature is July (15.2°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is February (18.4°C).
The coldest month (with the lowest average low temperature) is August (11.4°C).
Average pressure in September
Koppio, Australia
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is June (1021.6mbar).
The month with the lowest atmospheric pressure is January (1013.1mbar).
Average wind speed in September
Koppio, Australia
- Average wind speed in September: 22.3km/h
The windiest month (with the highest average wind speed) is August (23.3km/h).
The calmest month (with the lowest average wind speed) is April (18.3km/h).
Average humidity in September
Koppio, Australia
- Average humidity in September: 70%
The months with the highest relative humidity are July, August and September (70%).
The month with the lowest relative humidity is December (65%).
Average rainfall in September
Koppio, Australia
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is February (11mm).
Average rainfall days in September
Koppio, Australia
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (5.8 days).
Average daylight in September /
Average sunshine in September
Koppio, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is January (Average sunshine: 8h and 48min).
The month with the least sunshine is May (Average sunshine: 7h and 6min).
Average sunshine days in September
Koppio, Australia
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in September
Koppio, Australia
- Average UV index in September: 4
The months with the highest UV index are January and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in September
Koppio, Australia
- Average cloud cover in September: 34
The month with the most cloud cover is May (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 25).
Average visibility in September
Koppio, 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).





