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 sea temperature 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 arrival of September records an average high-temperature of a still refreshing 16.6°C (61.9°F), closely related to the 16.2°C (61.2°F) observed in August. Throughout September, Margaret River observes a steady low-temperature average of 12°C (53.6°F), reflecting a minor dip from daytime highs.Humidity
In Margaret River, Australia, the average relative humidity in September is 73%.Rainfall
In Margaret River, in September, it is raining for 17 days, with typically 44mm (1.73") of accumulated precipitation. In Margaret River, during the entire year, the rain falls for 152.6 days and collects up to 506mm (19.92") of precipitation.Sea temperature
August and September, with an average sea temperature of 18°C (64.4°F), are months with the coldest seawater.Note: For most, swimming in 18°C (64.4°F) is not a pleasant activity. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
In September, the average length of the day in Margaret River is 11h and 53min.On the first day of the month, sunrise is at 6:37 am and sunset at 6:01 pm. On the last day of September, in Margaret River, sunrise is at 5:57 am and sunset at 6:21 pm AWST.
Sunshine
In Margaret River, the average sunshine in September is 7h.UV index
The months with the lowest UV index are June through October, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What is the temperature in September in Margaret River?
What is the average humidity in September in Margaret River?
How much does it rain in Margaret River in September?
What months are the sea coldest in Margaret River?
What is the sea water temperature in September in Margaret River?
How many hours of daylight does Margaret River have in September?
When is the sunrise / sunset in September in Margaret River?
How long on average sun shines in September in Margaret River?
What is the month with the lowest UV index in Margaret River?
What is the UV index intensity in September in Margaret River?
Average temperature in September
Margaret River, Australia
- Average high temperature in September: 16.6°C
The warmest month (with the highest average high temperature) is February (24.3°C).
The month with the lowest average high temperature is July (16.1°C).
- Average low temperature in September: 12°C
The month with the highest average low temperature is February (17.4°C).
The coldest month (with the lowest average low temperature) is September (12°C).
Average pressure in September
Margaret River, Australia
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is May (1019.5mbar).
The month with the lowest atmospheric pressure is January (1013.6mbar).
Average wind speed in September
Margaret River, Australia
- Average wind speed in September: 20.5km/h
The windiest month (with the highest average wind speed) is July (21km/h).
The calmest month (with the lowest average wind speed) is April (16.8km/h).
Average humidity in September
Margaret River, Australia
- Average humidity in September: 73%
The months with the highest relative humidity are July, August and October (74%).
The months with the lowest relative humidity are January, February and December (71%).
Average rainfall in September
Margaret River, Australia
- Average rainfall in September: 44mm
The wettest months (with the highest rainfall) are June and July (88mm).
The driest months (with the least rainfall) are January and December (13mm).
Average rainfall days in September
Margaret River, Australia
- Average rainfall days in September: 17 days
The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is February (4.8 days).
Average sea temperature in September
Margaret River, Australia
- Average sea temperature in September: 18°C
The best months for swimming (with the highest average sea temperature) are February, March and April (22°C).
The coldest months (with the lowest average sea temperature) are August and September (18°C).
Average daylight in September /
Average sunshine in September
Margaret River, Australia
- Average daylight in September: 11h and 5min
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: 7h and 0min
The month with the most sunshine is January (Average sunshine: 10h and 54min).
The month with the least sunshine is July (Average sunshine: 5h and 0min).
Average sunshine days in September
Margaret River, Australia
- Average sunshine days in September: 9.8 days
The month with the most sunshine days is January (22.5 days).
The months with the least sunshine days are July and August (6.8 days).
Average UV index in September
Margaret River, 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 June, July, August, September and October (UV index 4).
Average cloud cover in September
Margaret River, Australia
- Average cloud cover in September: 45
The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 22).
Average visibility in September
Margaret River, 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).
Margaret River, Australia
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