September weather forecastStrahan, Australia
September
Weather in September
September, the first month of the spring in Strahan, is also a fresh month, with an average temperature fluctuating between 11.6°C (52.9°F) and 6.8°C (44.2°F).Temperature
Transitioning into September, Strahan records an average high-temperature of a still fresh 11.6°C (52.9°F), almost identical to August's 10.8°C (51.4°F). The September average low temperature in Strahan, Australia, marginally lower than the daytime high, records at a chilly 6.8°C (44.2°F).Humidity
The average relative humidity in September in Strahan is 81%.Rainfall
In September, the rain falls for 22.5 days. Throughout September, 98mm (3.86") of precipitation is accumulated. Throughout the year, in Strahan, there are 229.2 rainfall days, and 1094mm (43.07") of precipitation is accumulated.Snowfall
January through July, September through December are months without snowfall in Strahan.Sea temperature
July through October, with an average sea temperature of 12°C (53.6°F), are months with the coldest seawater in Strahan, Australia.Note: Swimming in 12°C (53.6°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 13°C (55.4°F) feels frosty.
Daylight
In September, the average length of the day in Strahan is 11h and 49min.On the first day of the month, sunrise is at 6:43 am and sunset at 5:53 pm. On the last day of September, in Strahan, sunrise is at 5:53 am and sunset at 6:23 pm AEST.
Sunshine
In September, the average sunshine in Strahan is 5.8h.UV index
The months with the lowest UV index in Strahan, Australia, are July and September, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during September translates into these guidelines:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. 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
Strahan, Australia
- Average high temperature in September: 11.6°C
The warmest month (with the highest average high temperature) is February (18.3°C).
The months with the lowest average high temperature are July and August (10.8°C).
- Average low temperature in September: 6.8°C
The month with the highest average low temperature is January (11.3°C).
The coldest month (with the lowest average low temperature) is August (6.1°C).
Average pressure in September
Strahan, Australia
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is June (1018.5mbar).
The month with the lowest atmospheric pressure is December (1011.5mbar).
Average wind speed in September
Strahan, Australia
- Average wind speed in September: 18.4km/h
The windiest month (with the highest average wind speed) is August (19.5km/h).
The calmest month (with the lowest average wind speed) is February (14.1km/h).
Average humidity in September
Strahan, Australia
- Average humidity in September: 81%
The month with the highest relative humidity is May (83%).
The month with the lowest relative humidity is January (76%).
Average rainfall in September
Strahan, Australia
- Average rainfall in September: 98mm
The wettest month (with the highest rainfall) is August (133mm).
The driest months (with the least rainfall) are January and February (53mm).
Average rainfall days in September
Strahan, Australia
- Average rainfall days in September: 22.5 days
The months with the highest number of rainy days are August and September (22.5 days).
The month with the least rainy days is February (12.9 days).
Average snowfall days in September
Strahan, Australia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is August (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, September, October, November and December (0 days).
Average sea temperature in September
Strahan, Australia
- Average sea temperature in September: 12°C
The best months for swimming (with the highest average sea temperature) are January, February, March and April (15°C).
The coldest months (with the lowest average sea temperature) are July, August, September and October (12°C).
Average daylight in September /
Average sunshine in September
Strahan, Australia
- Average daylight in September: 11h and 48min
The month with the longest days is December (Average daylight: 15h and 12min).
The month with the shortest days is June (Average daylight: 9h and 12min).
- Average sunshine in September: 5h and 48min
The month with the most sunshine is December (Average sunshine: 8h and 6min).
The month with the least sunshine is June (Average sunshine: 4h and 0min).
Average sunshine days in September
Strahan, Australia
- Average sunshine days in September: 5.6 days
The month with the most sunshine days is February (12.3 days).
The month with the least sunshine days is September (5.6 days).
Average UV index in September
Strahan, Australia
- Average UV index in September: 2
The months with the highest UV index are January, February, March, November and December (UV index 4).
The months with the lowest UV index are July and September (UV index 2).
Average cloud cover in September
Strahan, Australia
- Average cloud cover in September: 57
The months with the most cloud cover are May and July (Cloud cover 60).
The month with the least cloud cover is February (Cloud cover 42).
Average visibility in September
Strahan, Australia
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, June and December (10km).
The months with the lowest visibility are April, May, July, August, September, October and November (9km).





