September weather forecastRussell River, Australia
September
Weather in September
September, the first month of the spring in Russell River, is still a warm month, with an average temperature varying between 14.9°C (58.8°F) and 27.3°C (81.1°F).Temperature
Russell River experiences an average high-temperature of a still warm 27.3°C (81.1°F) in September, marking an insignificant shift from 24.8°C (76.6°F) in August. Russell River's September nights cool down significantly from the day's heat, to an average low-temperature of 14.9°C (58.8°F).Heat index
September's heat index is calculated to be a hot 30°C (86°F). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Note that heat index values are valued for light wind and location in the shade. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
The average relative humidity in September is 72%.Rainfall
July through September are months with the least rain when the rain falls for 5.7 days and typically aggregates up to 7mm (0.28") of rain.Daylight
In Russell River, the average length of the day in September is 12h and 0min.On the first day of the month, sunrise is at 6:23 am and sunset at 6:09 pm. On the last day of September, in Russell River, sunrise is at 5:59 am and sunset at 6:13 pm AEST.
Sunshine
The average sunshine in September is 9h.UV index
January through March, September through December, with an average maximum UV index of 6, are months with the highest UV index in Russell River. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. 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
Russell River, Australia
- Average high temperature in September: 27.3°C
The warmest month (with the highest average high temperature) is December (30.3°C).
The month with the lowest average high temperature is July (22.9°C).
- Average low temperature in September: 14.9°C
The months with the highest average low temperature are January and February (20.3°C).
The coldest month (with the lowest average low temperature) is August (13.1°C).
Average pressure in September
Russell River, Australia
- Average pressure in September: 1015.8mbar
The month with the highest atmospheric pressure is July (1016.9mbar).
The month with the lowest atmospheric pressure is January (1007.7mbar).
Average wind speed in September
Russell River, Australia
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is October (9.1km/h).
The calmest month (with the lowest average wind speed) is February (6.8km/h).
Average humidity in September
Russell River, Australia
- Average humidity in September: 72%
The month with the highest relative humidity is March (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Russell River, Australia
- Average rainfall in September: 7mm
The wettest month (with the highest rainfall) is January (200mm).
The driest months (with the least rainfall) are July, August and September (7mm).
Average rainfall days in September
Russell River, Australia
- Average rainfall days in September: 5.7 days
The month with the highest number of rainy days is January (25.2 days).
The month with the least rainy days is September (5.7 days).
Average daylight in September /
Average sunshine in September
Russell River, Australia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is October (Average sunshine: 10h and 36min).
The month with the least sunshine is May (Average sunshine: 5h and 36min).
Average sunshine days in September
Russell River, Australia
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is January (3.7 days).
Average UV index in September
Russell River, Australia
- Average UV index in September: 6
The months with the highest UV index are January, February, March, September, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July and August (UV index 5).
Average cloud cover in September
Russell River, Australia
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in September
Russell River, Australia
- Average visibility in September: 8km
The month with the highest visibility is October (9km).
The month with the lowest visibility is April (6km).
