September weather forecast
Orroroo, Australia

September

Weather in September

The first month of the spring, September, is still a refreshing month in Orroroo, Australia, with an average temperature fluctuating between 18.7°C (65.7°F) and 9.7°C (49.5°F).

Temperature

Stepping into September, Orroroo records an average high-temperature of a still refreshing 18.7°C (65.7°F), almost consistent with August. September's average low-temperature reading settles at a frosty 9.7°C (49.5°F).

Humidity

In September, the average relative humidity in Orroroo is 64%.

Rainfall

In Orroroo, in September, it is raining for 8.5 days, with typically 18mm (0.71") of accumulated precipitation. Throughout the year, there are 98.8 rainfall days, and 219mm (8.62") of precipitation is accumulated.

Daylight

In Orroroo, the average length of the day in September is 11h and 53min.
On the first day of September, sunrise is at 6:32 am and sunset at 5:58 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 6:17 pm ACST.

Sunshine

In September, the average sunshine is 8.7h.

UV index

The months with the lowest UV index are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Frequently asked questions

What is the temperature in September in Orroroo?
The average high-temperature and low-temperature during September are 18.7°C (65.7°F) and 9.7°C (49.5°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in February is evaluated at 30°C (86°F).
What is the average humidity in September in Orroroo?
In September, the average relative humidity in Orroroo is 64%.
How many days does it rain in September in Orroroo?
In Orroroo, Australia, in September, during 8.5 rainfall days, 18mm (0.71") of precipitation is typically accumulated.
How many hours of daylight does Orroroo have in September?
In September, the average day length in Orroroo, Australia, is 11h and 53min.
What time are sunrise and sunset in September in Orroroo?
In September, on the first day of the month, sunrise is at 6:32 am and sunset at 5:58 pm. On the last day of the month, in Orroroo, sunrise is at 5:53 am and sunset at 6:17 pm ACST.
How long on average sun shines in September in Orroroo?
The average sunshine duration in September is 8.7h.
What is the month with the lowest UV index in Orroroo?
The months with the lowest UV index are May through September, with an average maximum UV index of 4.
What is the UV index intensity in September in Orroroo?
In September, the average daily maximum UV index in Orroroo, Australia, is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Orroroo, Australia
  • Average high temperature in September: 18.7°C

The warmest month (with the highest average high temperature) is January (30°C).
The month with the lowest average high temperature is July (15.2°C).

  • Average low temperature in September: 9.7°C

The month with the highest average low temperature is January (20.8°C).
The coldest month (with the lowest average low temperature) is August (8.8°C).

Average pressure in September
Orroroo, Australia
  • Average pressure in September: 1018.3mbar

The month with the highest atmospheric pressure is June (1022.6mbar).
The month with the lowest atmospheric pressure is January (1011.6mbar).

Average wind speed in September
Orroroo, Australia
  • Average wind speed in September: 14.9km/h

The windiest months (with the highest average wind speed) are August and December (15.2km/h).
The calmest month (with the lowest average wind speed) is April (12.7km/h).

Average humidity in September
Orroroo, Australia
  • Average humidity in September: 64%

The months with the highest relative humidity are June and July (69%).
The month with the lowest relative humidity is January (45%).

Average rainfall in September
Orroroo, Australia
  • Average rainfall in September: 18mm

The wettest month (with the highest rainfall) is August (29mm).
The driest month (with the least rainfall) is March (11mm).

Average rainfall days in September
Orroroo, Australia
  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is July (11.9 days).
The month with the least rainy days is February (4.4 days).

Average daylight in September /
Average sunshine in September
Orroroo, Australia
  • Average daylight in September: 11h and 5min

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 4min

The months with the most sunshine are January and February (Average sunshine: 9h and 24min).
The months with the least sunshine are June and August (Average sunshine: 7h and 54min).

Average sunshine days in September
Orroroo, Australia
  • Average sunshine days in September: 18.1 days

The month with the most sunshine days is January (23 days).
The month with the least sunshine days is July (16.6 days).

Average UV index in September
Orroroo, Australia
  • Average UV index in September: 4

The month with the highest UV index is December (UV index 7).
The months with the lowest UV index are May, June, July, August and September (UV index 4).

Average cloud cover in September
Orroroo, Australia
  • Average cloud cover in September: 25

The month with the most cloud cover is June (Cloud cover 33).
The month with the least cloud cover is January (Cloud cover 15).

Average visibility in September
Orroroo, 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).

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