September weather forecastValley Heights, Australia
September
Weather in September
September, the first month of the spring in Valley Heights, is an agreeable month, with an average temperature ranging between max 21.2°C (70.2°F) and min 9.3°C (48.7°F).Temperature
September brings a slight increase in the average high-temperature, progressing from an enjoyable 17.8°C (64°F) in August to a pleasant 21.2°C (70.2°F). Valley Heights usually reports an average low-temperature of 9.3°C (48.7°F) during the month of September.Humidity
September is the least humid month in Valley Heights, with an average relative humidity of 66%.Rainfall
In Valley Heights, in September, it is raining for 8.5 days, with typically 26mm (1.02") of accumulated precipitation. Throughout the year, there are 137.7 rainfall days, and 501mm (19.72") of precipitation is accumulated.Daylight
In September, the average length of the day is 11h and 53min.On the first day of the month, sunrise is at 6:15 am and sunset at 5:39 pm. On the last day of September, in Valley Heights, sunrise is at 5:35 am and sunset at 5:59 pm AEST.
Sunshine
In September, the average sunshine is 8.8h.UV index
The months with the lowest UV index in Valley Heights are April through September, with an average maximum UV index of 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 UV index of 4 during September leads to these advisories:
Act with care - The need to guard against sun damage is communicated. When the Sun is at its strongest around midday, find shade and limit exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Valley Heights, Australia
- Average high temperature in September: 21.2°C
The warmest month (with the highest average high temperature) is January (29.6°C).
The month with the lowest average high temperature is June (16°C).
- Average low temperature in September: 9.3°C
The month with the highest average low temperature is January (17.4°C).
The coldest month (with the lowest average low temperature) is July (6.3°C).
Average pressure in September
Valley Heights, Australia
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is June (1021.2mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).
Average wind speed in September
Valley Heights, Australia
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is September (8.3km/h).
The calmest month (with the lowest average wind speed) is April (7km/h).
Average humidity in September
Valley Heights, Australia
- Average humidity in September: 66%
The month with the highest relative humidity is June (78%).
The month with the lowest relative humidity is September (66%).
Average rainfall in September
Valley Heights, Australia
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is February (101mm).
The driest month (with the least rainfall) is May (22mm).
Average rainfall days in September
Valley Heights, Australia
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (6.7 days).
Average daylight in September /
Average sunshine in September
Valley Heights, 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: 8h and 48min
The months with the most sunshine are November and December (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).
Average sunshine days in September
Valley Heights, Australia
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is August (22.7 days).
The month with the least sunshine days is February (10 days).
Average UV index in September
Valley Heights, 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 April, May, June, July, August and September (UV index 4).
Average cloud cover in September
Valley Heights, Australia
- Average cloud cover in September: 27
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Valley Heights, 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).
