September weather forecastOurimbah, Australia
September
Weather in September
The first month of the spring, September, is a pleasant month in Ourimbah, Australia, with an average temperature ranging between min 12.3°C (54.1°F) and max 20.3°C (68.5°F).Temperature
With September's arrival, Ourimbah's weather records an average high-temperature of an agreeable 20.3°C (68.5°F), marking little difference from August's 17.8°C (64°F). During September, the average low-temperature is a fresh 12.3°C (54.1°F).Humidity
In Ourimbah, the average relative humidity in September is 68%.Rainfall
In Ourimbah, during September, the rain falls for 9.9 days and regularly aggregates up to 43mm (1.69") of precipitation. Throughout the year, there are 156.9 rainfall days, and 628mm (24.72") of precipitation is accumulated.Daylight
In September, the average length of the day is 11h and 53min.On the first day of September, sunrise is at 6:12 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 5:56 pm AEST.
Sunshine
In September, the average sunshine is 8.9h.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 moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ourimbah, Australia
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is January (27°C).
The month with the lowest average high temperature is July (16.5°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is January (19.8°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).
Average pressure in September
Ourimbah, Australia
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).
Average wind speed in September
Ourimbah, Australia
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is August (13.6km/h).
The calmest month (with the lowest average wind speed) is April (12km/h).
Average humidity in September
Ourimbah, Australia
- Average humidity in September: 68%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Ourimbah, Australia
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is February (100mm).
The driest month (with the least rainfall) is August (34mm).
Average rainfall days in September
Ourimbah, Australia
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is March (16.5 days).
The month with the least rainy days is August (9.2 days).
Average daylight in September /
Average sunshine in September
Ourimbah, 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 54min
The month with the most sunshine is November (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in September
Ourimbah, Australia
- Average sunshine days in September: 18 days
The month with the most sunshine days is August (20 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in September
Ourimbah, Australia
- Average UV index in September: 4
The months with the highest UV index are January, February, October, 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
Ourimbah, Australia
- Average cloud cover in September: 25
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Ourimbah, Australia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
