September weather forecastByrnestown, Australia
September
Weather in September
September, the first month of the spring in Byrnestown, is a moderately hot month, with temperature in the range of an average high of 24.9°C (76.8°F) and an average low of 12.6°C (54.7°F).Temperature
Byrnestown in September experiences a slight uptick in the average high-temperature, adjusting from August's pleasant 21.7°C (71.1°F) to a warm 24.9°C (76.8°F). September nights are characterized by a significant departure from the daytime highs, dropping to an average temperature of 12.6°C (54.7°F).Humidity
The months with the lowest humidity in Byrnestown, Australia, are September and November, with an average relative humidity of 66%.Rainfall
In September, in Byrnestown, Australia, the rain falls for 7.9 days. Throughout September, 17mm (0.67") of precipitation is accumulated. In Byrnestown, during the entire year, the rain falls for 141.6 days and collects up to 453mm (17.83") of precipitation.Daylight
In Byrnestown, the average length of the day in September is 11h and 56min.On the first day of September, sunrise is at 6:04 am and sunset at 5:41 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 5:52 pm AEST.
Sunshine
In September, the average sunshine in Byrnestown is 8.4h.UV index
In Byrnestown, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Around midday, solar radiation is most harmful; hence, exposure should be limited. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Byrnestown, Australia
- Average high temperature in September: 24.9°C
The warmest months (with the highest average high temperature) are January and December (30.5°C).
The month with the lowest average high temperature is July (19.7°C).
- Average low temperature in September: 12.6°C
The month with the highest average low temperature is January (19.8°C).
The coldest month (with the lowest average low temperature) is July (9.4°C).
Average pressure in September
Byrnestown, Australia
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is July (1020.8mbar).
The month with the lowest atmospheric pressure is January (1011.3mbar).
Average wind speed in September
Byrnestown, Australia
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is February (11.1km/h).
The calmest month (with the lowest average wind speed) is July (8.9km/h).
Average humidity in September
Byrnestown, Australia
- Average humidity in September: 66%
The months with the highest relative humidity are March and June (78%).
The months with the lowest relative humidity are September and November (66%).
Average rainfall in September
Byrnestown, Australia
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is January (78mm).
The driest month (with the least rainfall) is July (12mm).
Average rainfall days in September
Byrnestown, Australia
- Average rainfall days in September: 7.9 days
The month with the highest number of rainy days is March (17.8 days).
The month with the least rainy days is August (7.1 days).
Average daylight in September /
Average sunshine in September
Byrnestown, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is November (Average sunshine: 10h and 42min).
The month with the least sunshine is June (Average sunshine: 6h and 12min).
Average sunshine days in September
Byrnestown, Australia
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in September
Byrnestown, Australia
- Average UV index in September: 5
The months with the highest UV index are January, February, March, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in September
Byrnestown, Australia
- Average cloud cover in September: 25
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Byrnestown, Australia
- Average visibility in September: 9km
The months with the highest visibility are February, August, September, October, November and December (9km).
The months with the lowest visibility are January, March, April, May, June and July (8km).





