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 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
September
Weather in September
Temperature
The arrival of September brings an average high-temperature of a comfortable 16.5°C (61.7°F), nearly identical to August's 15.6°C (60.1°F). Throughout September, the temperature falls to an average low of 8.5°C (47.3°F).Humidity
The average relative humidity in September is 79%.Rainfall
In Windy Harbour, during September, the rain falls for 16.5 days and regularly aggregates up to 40mm (1.57") of precipitation. In Windy Harbour, during the entire year, the rain falls for 151.3 days and collects up to 437mm (17.2") of precipitation.Daylight
The average length of the day in September is 11h and 53min.On the first day of September, sunrise is at 6:34 am and sunset at 5:57 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 6:18 pm AWST.
Sunshine
The average sunshine in September is 6.5h.UV index
In Windy Harbour, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Windy Harbour have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Windy Harbour, Australia
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is February (26°C).
The month with the lowest average high temperature is July (15.3°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is February (14.8°C).
The coldest month (with the lowest average low temperature) is August (8.3°C).
Average pressure in September
Windy Harbour, Australia
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is May (1019.5mbar).
The month with the lowest atmospheric pressure is January (1013.9mbar).
Average wind speed in September
Windy Harbour, Australia
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is September (12.9km/h).
The calmest month (with the lowest average wind speed) is April (10.4km/h).
Average humidity in September
Windy Harbour, Australia
- Average humidity in September: 79%
The months with the highest relative humidity are July and August (82%).
The months with the lowest relative humidity are January and February (70%).
Average rainfall in September
Windy Harbour, Australia
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is July (81mm).
The driest month (with the least rainfall) is February (11mm).
Average rainfall days in September
Windy Harbour, Australia
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is February (6.6 days).
Average daylight in September /
Average sunshine in September
Windy Harbour, 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: 6h and 3min
The month with the most sunshine is January (Average sunshine: 10h and 18min).
The month with the least sunshine is August (Average sunshine: 4h and 54min).
Average sunshine days in September
Windy Harbour, Australia
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is August (8.3 days).
Average UV index in September
Windy Harbour, Australia
- Average UV index in September: 4
The months with the highest UV index are January, February, March, November and December (UV index 5).
The months with the lowest UV index are June and August (UV index 3).
Average cloud cover in September
Windy Harbour, Australia
- Average cloud cover in September: 50
The months with the most cloud cover are July and August (Cloud cover 51).
The month with the least cloud cover is January (Cloud cover 30).
Average visibility in September
Windy Harbour, Australia
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
