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 ushering in of September brings an average high-temperature of a still comfortable 19°C (66.2°F), closely mirroring the 17.7°C (63.9°F) of August. The low-temperature average for Mundaring Weir during September stands at a cool 10.3°C (50.5°F).Humidity
In September, the average relative humidity is 70%.Rainfall
In Mundaring Weir, during September, the rain falls for 12.2 days and regularly aggregates up to 31mm (1.22") of precipitation. Throughout the year, there are 106.3 rainfall days, and 344mm (13.54") of precipitation is accumulated.Daylight
In Mundaring Weir, the average length of the day in September is 11h and 54min.On the first day of September in Mundaring Weir, sunrise is at 6:31 am and sunset at 5:58 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 6:16 pm AWST.
Sunshine
In Mundaring Weir, the average sunshine in September is 8h.UV index
In Mundaring Weir, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the UV index of 5 transforms into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Mundaring Weir in September?
What is the average humidity in September in Mundaring Weir?
How many days does it rain in September in Mundaring Weir?
How many hours of daylight does Mundaring Weir have in September?
When are sunrise and sunset in September in Mundaring Weir?
How many hours of sunshine does Mundaring Weir have in September?
What is the UV index reading in September in Mundaring Weir?
Average temperature in September
Mundaring Weir, 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
Mundaring Weir, 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
Mundaring Weir, 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
Mundaring Weir, 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
Mundaring Weir, 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
Mundaring Weir, 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
Mundaring Weir, Australia
- Average daylight in September: 11h and 5min
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
Mundaring Weir, 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
Mundaring Weir, 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
Mundaring Weir, 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
Mundaring Weir, 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).
