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 transition from August to September brings a subtle temperature rise, with average high-temperatures increasing from an enjoyable 18.3°C (64.9°F) to a pleasant 21.6°C (70.9°F). The average temperature in Baulkham Hills drops to a cool 10.6°C (51.1°F) during the night in the month of September.Humidity
With an average relative humidity of 65%, September is the least humid month in Baulkham Hills.Rainfall
In Baulkham Hills, in September, during 9.1 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In Baulkham Hills, during the entire year, the rain falls for 149.1 days and collects up to 546mm (21.5") of precipitation.Daylight
In September, the average length of the day in Baulkham Hills, Australia, is 11h and 53min.On the first day of the month, sunrise is at 6:13 am and sunset at 5:38 pm. On the last day of September, sunrise is at 5:34 am and sunset at 5:57 pm AEST.
Sunshine
In September, the average sunshine is 8.6h.UV index
May through September, with an average maximum UV index of 4, are months with the lowest UV index in Baulkham Hills. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, an average UV index of 4 transforms into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Baulkham Hills in September?
What is the least humid month in Baulkham Hills?
What is the average humidity in September in Baulkham Hills?
How many days does it rain in September in Baulkham Hills?
What is the average length of the day in September in Baulkham Hills?
When is the sunrise / sunset in September in Baulkham Hills?
How many hours of sunshine does Baulkham Hills have in September?
What are the months with the lowest UV index in Baulkham Hills?
How high is the UV index in September in Baulkham Hills?
Average temperature in September
Baulkham Hills, Australia
- Average high temperature in September: 21.6°C
The warmest month (with the highest average high temperature) is January (29.2°C).
The month with the lowest average high temperature is June (16.8°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is January (18.8°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).
Average pressure in September
Baulkham Hills, Australia
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in September
Baulkham Hills, Australia
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is December (10.2km/h).
The calmest month (with the lowest average wind speed) is April (8.8km/h).
Average humidity in September
Baulkham Hills, Australia
- Average humidity in September: 65%
The month with the highest relative humidity is June (76%).
The month with the lowest relative humidity is September (65%).
Average rainfall in September
Baulkham Hills, Australia
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is February (87mm).
The driest month (with the least rainfall) is May (27mm).
Average rainfall days in September
Baulkham Hills, Australia
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is August (7.9 days).
Average daylight in September /
Average sunshine in September
Baulkham Hills, 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: 8h and 4min
The months with the most sunshine are November and December (Average sunshine: 9h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in September
Baulkham Hills, Australia
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is August (21 days).
The month with the least sunshine days is February (10.4 days).
Average UV index in September
Baulkham Hills, Australia
- Average UV index in September: 4
The months with the highest UV index are January, February, November 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
Baulkham Hills, Australia
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Baulkham Hills, 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).
