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 sea temperature 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
Redland Bay transitions into September recording an average high-temperature of a still agreeable 22.9°C (73.2°F), closely aligning with the preceding month's temperature. Throughout the month of September, Redland Bay witnesses an average low-temperature of 15.3°C (59.5°F).Humidity
The average relative humidity in September is 69%.Rainfall
September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 26mm (1.02") of precipitation.Sea temperature
In Redland Bay, the average seawater temperature in September is 22.2°C (72°F).Note: Swimming in 22.2°C (72°F) can be enjoyable or not, depending on how you feel about the cold and conditions such as sunshine, wind, and the day's temperature. FYI: Olympic standards dictate waters of 25°C (77°F) to 28°C (82.4°F).
Daylight
In September, the average length of the day is 11h and 56min.On the first day of the month, sunrise is at 6:00 am and sunset at 5:33 pm. On the last day of September, sunrise is at 5:26 am and sunset at 5:46 pm AEST.
Sunshine
The average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
What is the sea temperature in September?
How many hours of daylight does Redland Bay have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Redland Bay have in September?
How high is the UV index in September?
Average temperature in September
Redland Bay, Australia
- Average high temperature in September: 22.9°C
The warmest month (with the highest average high temperature) is January (28.1°C).
The month with the lowest average high temperature is July (19.4°C).
- Average low temperature in September: 15.3°C
The month with the highest average low temperature is January (22.1°C).
The coldest month (with the lowest average low temperature) is July (12.7°C).
Average pressure in September
Redland Bay, Australia
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is January (1012.3mbar).
Average wind speed in September
Redland Bay, Australia
- Average wind speed in September: 14.1km/h
The windiest month (with the highest average wind speed) is February (16.4km/h).
The calmest months (with the lowest average wind speed) are May and August (13.7km/h).
Average humidity in September
Redland Bay, Australia
- Average humidity in September: 69%
The months with the highest relative humidity are February and March (77%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Redland Bay, Australia
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is March (89mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in September
Redland Bay, Australia
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (9.5 days).
Average sea temperature in September
Redland Bay, Australia
- Average sea temperature in September: 22.2°C
The best month for swimming (with the highest average sea temperature) is February (27.3°C).
The coldest months (with the lowest average sea temperature) are July and August (21.7°C).
Average daylight in September /
Average sunshine in September
Redland Bay, Australia
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is November (Average sunshine: 10h and 36min).
The month with the least sunshine is June (Average sunshine: 6h and 12min).
Average sunshine days in September
Redland Bay, Australia
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is March (7.9 days).
Average UV index in September
Redland Bay, Australia
- Average UV index in September: 5
The months with the highest UV index are January, February, March, October, November and December (UV index 6).
The month with the lowest UV index is June (UV index 4).
Average cloud cover in September
Redland Bay, Australia
- Average cloud cover in September: 22
The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Redland Bay, Australia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
