September weather forecastBerkeley, Australia
September
Weather in September
September, the first month of the spring in Berkeley, is also an enjoyable month, with an average temperature varying between 18.8°C (65.8°F) and 11.8°C (53.2°F).Temperature
Berkeley experiences a transition to a still refreshing 18.8°C (65.8°F) in average high-temperatures with the arrival of September, not greatly differing from August's 16.4°C (61.5°F). Berkeley records a mean low-temperature of 11.8°C (53.2°F) in September.Humidity
In Berkeley, Australia, the average relative humidity in September is 69%.Rainfall
September is the month with the least rainfall. Rain falls for 11.7 days and accumulates 33mm (1.3") of precipitation.Sea temperature
With an average sea temperature of 18.4°C (65.1°F), September is the month with the coldest seawater.Note: For most individuals, swimming in 18.4°C (65.1°F) is not a pleasurable activity. Breathing becomes progressively more difficult as water temperature declines below 21°C (69.8°F).
Daylight
In September, the average length of the day is 11h and 53min.On the first day of the month, sunrise is at 6:14 am and sunset at 5:38 pm. On the last day of September, in Berkeley, sunrise is at 5:34 am and sunset at 5:58 pm AEST.
Sunshine
In September, the average sunshine is 8.6h.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 medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, a regular UV index of 4 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Berkeley, Australia
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is January (25.7°C).
The month with the lowest average high temperature is July (15.7°C).
- Average low temperature in September: 11.8°C
The months with the highest average low temperature are January and February (19°C).
The coldest month (with the lowest average low temperature) is July (9.7°C).
Average pressure in September
Berkeley, Australia
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is June (1020.8mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in September
Berkeley, Australia
- Average wind speed in September: 15.7km/h
The windiest month (with the highest average wind speed) is August (16.2km/h).
The calmest month (with the lowest average wind speed) is April (13.9km/h).
Average humidity in September
Berkeley, Australia
- Average humidity in September: 69%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Berkeley, Australia
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is February (97mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in September
Berkeley, Australia
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is August (9.5 days).
Average sea temperature in September
Berkeley, Australia
- Average sea temperature in September: 18.4°C
The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.4°C).
Average daylight in September /
Average sunshine in September
Berkeley, Australia
- Average daylight in September: 11h and 54min
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 36min
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 54min).
Average sunshine days in September
Berkeley, Australia
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is August (19.5 days).
The month with the least sunshine days is February (7.9 days).
Average UV index in September
Berkeley, Australia
- Average UV index in September: 4
The months with the highest UV index are January 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
Berkeley, Australia
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Berkeley, 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).
