September weather forecastMiddle Swan, Australia
September
Weather in September
September, the first month of the spring in Middle Swan, is also an enjoyable month, with an average temperature fluctuating between 10.3°C (50.5°F) and 19°C (66.2°F).Temperature
Middle Swan's average high-temperature marks a still comfortable 19°C (66.2°F) with the advent of September, closely mirroring that of the preceding month. Throughout September, the average low-temperature in Middle Swan dips to a cool 10.3°C (50.5°F).Humidity
The average relative humidity in September in Middle Swan is 70%.Rainfall
In Middle Swan, in September, it is raining for 12.2 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, there are 106.3 rainfall days, and 344mm (13.54") of precipitation is accumulated.Daylight
In Middle Swan, the average length of the day in September is 11h and 54min.On the first day of September, sunrise is at 6:32 am and sunset at 5:59 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 6:17 pm AWST.
Sunshine
In September, the average sunshine is 8h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Middle Swan, Australia
- Average high temperature in September: 19°C
The warmest months (with the highest average high temperature) are January and February (30.8°C).
The month with the lowest average high temperature is July (17°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is February (19°C).
The coldest months (with the lowest average low temperature) are July and August (10°C).
Average pressure in September
Middle Swan, Australia
- Average pressure in September: 1019.1mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is January (1011.3mbar).
Average wind speed in September
Middle Swan, Australia
- Average wind speed in September: 13km/h
The windiest month (with the highest average wind speed) is January (14.6km/h).
The calmest months (with the lowest average wind speed) are April and May (12km/h).
Average humidity in September
Middle Swan, Australia
- Average humidity in September: 70%
The months with the highest relative humidity are July and August (74%).
The month with the lowest relative humidity is January (51%).
Average rainfall in September
Middle Swan, Australia
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is June (65mm).
The driest months (with the least rainfall) are March and December (9mm).
Average rainfall days in September
Middle Swan, Australia
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is February (3.9 days).
Average daylight in September /
Average sunshine in September
Middle Swan, Australia
- Average daylight in September: 11h and 54min
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 0min
The months with the most sunshine are January and December (Average sunshine: 11h and 30min).
The month with the least sunshine is August (Average sunshine: 5h and 42min).
Average sunshine days in September
Middle Swan, Australia
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in September
Middle Swan, Australia
- Average UV index in September: 5
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 4).
Average cloud cover in September
Middle Swan, Australia
- Average cloud cover in September: 33
The month with the most cloud cover is July (Cloud cover 40).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in September
Middle Swan, Australia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (10km).
The month with the lowest visibility is August (9km).
