September weather forecastBoyanup, Australia
September
Weather in September
The first month of the spring, September, is still a refreshing month in Boyanup, Australia, with an average temperature varying between 10.8°C (51.4°F) and 16.9°C (62.4°F).Temperature
As Boyanup steps into September, the average high-temperature holds at a still refreshing 16.9°C (62.4°F), hinting at a minor fluctuation from the prior month. In September, the nighttime temperature in Boyanup lowers to an average of 10.8°C (51.4°F).Humidity
In Boyanup, the average relative humidity in September is 75%.Rainfall
In September, in Boyanup, Australia, the rain falls for 14.9 days. Throughout September, 48mm (1.89") of precipitation is accumulated. In Boyanup, during the entire year, the rain falls for 130.6 days and collects up to 479mm (18.86") 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 5:59 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 6:18 pm AWST.
Sunshine
The average sunshine in September in Boyanup is 7.9h.UV index
The months with the lowest UV index are May through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Boyanup, Australia
- Average high temperature in September: 16.9°C
The warmest month (with the highest average high temperature) is February (27°C).
The month with the lowest average high temperature is July (16.2°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is February (17.6°C).
The coldest months (with the lowest average low temperature) are August and September (10.8°C).
Average pressure in September
Boyanup, Australia
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is July (1019.8mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in September
Boyanup, Australia
- Average wind speed in September: 17.4km/h
The windiest month (with the highest average wind speed) is January (17.6km/h).
The calmest month (with the lowest average wind speed) is April (14.6km/h).
Average humidity in September
Boyanup, Australia
- Average humidity in September: 75%
The months with the highest relative humidity are July and August (77%).
The month with the lowest relative humidity is January (63%).
Average rainfall in September
Boyanup, Australia
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is July (90mm).
The driest month (with the least rainfall) is January (11mm).
Average rainfall days in September
Boyanup, Australia
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (4.2 days).
Average daylight in September /
Average sunshine in September
Boyanup, 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 54min
The month with the most sunshine is January (Average sunshine: 11h and 24min).
The months with the least sunshine are July and August (Average sunshine: 5h and 36min).
Average sunshine days in September
Boyanup, Australia
- Average sunshine days in September: 11.7 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is August (8.8 days).
Average UV index in September
Boyanup, Australia
- Average UV index in September: 4
The months with the highest UV index are February and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in September
Boyanup, Australia
- Average cloud cover in September: 37
The month with the most cloud cover is July (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 15).
Average visibility in September
Boyanup, 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).
