Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The beginning of September signals a minor rise in the average high-temperature, moving from a moderate 13.9°C (57°F) in August to an enjoyable 17.5°C (63.5°F). An average low-temperature of 5.8°C (42.4°F) is common during the nights of September.Humidity
In Birriwa, Australia, the average relative humidity in September is 76%.Rainfall
In Birriwa, in September, during 7.8 rainfall days, 21mm (0.83") of precipitation is typically accumulated. In Birriwa, during the entire year, the rain falls for 117.4 days and collects up to 425mm (16.73") of precipitation.Snowfall
January through June, September through December are months without snowfall in Birriwa, Australia.Daylight
The average length of the day in September in Birriwa is 11h and 53min.On the first day of September in Birriwa, sunrise is at 6:18 am and sunset at 5:45 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 6:03 pm AEST.
Sunshine
In Birriwa, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Birriwa is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What is the temperature in September in Birriwa?
What is the average humidity in September in Birriwa?
How many days does it rain in September in Birriwa?
When it does not snow in Birriwa?
Does it snow in Birriwa in September?
What is the average length of the day in September in Birriwa?
When are sunrise and sunset in September in Birriwa?
How many hours of sunshine does Birriwa have in September?
How high is the UV index in September in Birriwa?
Average temperature in September
Birriwa, Australia
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is January (29.9°C).
The month with the lowest average high temperature is July (12.5°C).
- Average low temperature in September: 5.8°C
The month with the highest average low temperature is January (17°C).
The coldest month (with the lowest average low temperature) is August (3.2°C).
Average pressure in September
Birriwa, Australia
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is June (1022.1mbar).
The month with the lowest atmospheric pressure is January (1012mbar).
Average wind speed in September
Birriwa, Australia
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is February (10.6km/h).
The calmest months (with the lowest average wind speed) are April and May (8.8km/h).
Average humidity in September
Birriwa, Australia
- Average humidity in September: 76%
The month with the highest relative humidity is June (85%).
The month with the lowest relative humidity is December (61%).
Average rainfall in September
Birriwa, Australia
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is January (60mm).
The driest month (with the least rainfall) is May (17mm).
Average rainfall days in September
Birriwa, Australia
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is March (12.7 days).
The month with the least rainy days is July (7.4 days).
Average snowfall in September
Birriwa, Australia
- Average snowfall in September: 0mm
The month with the highest snowfall is July (2mm).
The months with the least snowfall are January, February, March, April, May, June, September, October, November and December (0mm).
Average snowfall days in September
Birriwa, Australia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is August (0.4 days).
The months with the least snowfall days are January, February, March, April, May, June, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Birriwa, Australia
- Average daylight in September: 11h and 5min
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 3min
The month with the most sunshine is December (Average sunshine: 10h and 42min).
The month with the least sunshine is June (Average sunshine: 6h and 42min).
Average sunshine days in September
Birriwa, Australia
- Average sunshine days in September: 19.9 days
The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is February (14.8 days).
Average UV index in September
Birriwa, Australia
- Average UV index in September: 4
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 3).
Average cloud cover in September
Birriwa, Australia
- Average cloud cover in September: 35
The month with the most cloud cover is June (Cloud cover 51).
The month with the least cloud cover is December (Cloud cover 30).
Average visibility in September
Birriwa, Australia
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, November and December (9km).
The months with the lowest visibility are June and July (7km).
Birriwa, Australia
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