September weather forecastGrass Patch, Australia
September
Weather in September
September, the first month of the spring in Grass Patch, is also an enjoyable month, with an average temperature fluctuating between 11.3°C (52.3°F) and 17.3°C (63.1°F).Temperature
September's arrival brings an average high-temperature of a still refreshing 17.3°C (63.1°F), slightly deviating from August's 16.4°C (61.5°F). Grass Patch experiences a consistent average temperature of 11.3°C (52.3°F) throughout the nights in September.Humidity
The average relative humidity in September is 71%.Rainfall
In Grass Patch, Australia, during September, the rain falls for 14 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, in Grass Patch, there are 144.9 rainfall days, and 372mm (14.65") of precipitation is accumulated.Daylight
In September, the average length of the day is 11h and 53min.On the first day of September, sunrise is at 6:10 am and sunset at 5:35 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 5:54 pm AWST.
Sunshine
In Grass Patch, the average sunshine in September is 7.5h.UV index
The months with the lowest UV index are May through October, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grass Patch, Australia
- Average high temperature in September: 17.3°C
The warmest month (with the highest average high temperature) is January (24.7°C).
The month with the lowest average high temperature is July (16°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is February (18.1°C).
The coldest months (with the lowest average low temperature) are July and August (10.8°C).
Average pressure in September
Grass Patch, Australia
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is June (1020.5mbar).
The month with the lowest atmospheric pressure is January (1013.8mbar).
Average wind speed in September
Grass Patch, Australia
- Average wind speed in September: 21.5km/h
The windiest months (with the highest average wind speed) are July and August (22km/h).
The calmest month (with the lowest average wind speed) is April (18.3km/h).
Average humidity in September
Grass Patch, Australia
- Average humidity in September: 71%
The month with the highest relative humidity is August (73%).
The month with the lowest relative humidity is December (66%).
Average rainfall in September
Grass Patch, Australia
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is August (58mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Grass Patch, Australia
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (8.4 days).
Average daylight in September /
Average sunshine in September
Grass Patch, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in September: 7h and 30min
The months with the most sunshine are January and December (Average sunshine: 10h and 30min).
The month with the least sunshine is July (Average sunshine: 5h and 42min).
Average sunshine days in September
Grass Patch, Australia
- Average sunshine days in September: 12.4 days
The month with the most sunshine days is December (18.3 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Grass Patch, Australia
- Average UV index in September: 4
The month with the highest UV index is February (UV index 6).
The months with the lowest UV index are May, June, July, August, September and October (UV index 4).
Average cloud cover in September
Grass Patch, Australia
- Average cloud cover in September: 33
The months with the most cloud cover are July and August (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 27).
Average visibility in September
Grass Patch, 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).
