September weather forecastNarrabeen, Australia

September

Weather in September

September, the first month of the spring in Narrabeen, is also an enjoyable month, with an average temperature varying between 19.8°C (67.6°F) and 13.2°C (55.8°F).

Temperature

Narrabeen notes an average high-temperature of a still refreshing 19.8°C (67.6°F) in September, displaying minor variation from August. September nights observe an average temperature dip to a still refreshing 13.2°C (55.8°F).

Humidity

In Narrabeen, Australia, the average relative humidity in September is 67%.

Rainfall

The month with the least rainfall in Narrabeen, Australia, is September, when the rain falls for 8.7 days and typically collects 32mm (1.26") of precipitation.

Daylight

The average length of the day in September is 11h and 53min.
On the first day of the month, sunrise is at 6:12 am and sunset at 5:37 pm. On the last day of September, in Narrabeen, sunrise is at 5:32 am and sunset at 5:56 pm AEST.

Sunshine

The average sunshine in September in Narrabeen is 8.9h.

UV index

June through September, with an average maximum UV index of 4, are months with the lowest UV index in Narrabeen. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

In Narrabeen, in September, the average high-temperature is 19.8°C (67.6°F), and the average low-temperature is 13.2°C (55.8°F).

In Narrabeen, Australia, the average relative humidity in September is 67%.

The month with the least rainfall in Narrabeen, Australia, is September, when the rain falls for 8.7 days and typically collects 32mm (1.26") of precipitation.

In Narrabeen, during September, the rain falls for 8.7 days and regularly aggregates up to 32mm (1.26") of precipitation.

In Narrabeen, Australia, the average day length in September is 11h and 53min.

On the first day of September in Narrabeen, sunrise is at 6:12 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 5:56 pm AEST.

The average sunshine duration in September in Narrabeen, Australia, is 8.9h.

The months with the lowest UV index are June through September, with an average maximum UV index of 4.

In September, the average daily maximum UV index in Narrabeen, Australia, is 4. A UV Index estimate of 3 to 5 represents a medium health risk 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Narrabeen, Australia

  • Average high temperature in September: 19.8°C

The warmest month (with the highest average high temperature) is January (26.2°C).
The month with the lowest average high temperature is July (16.4°C).

  • Average low temperature in September: 13.2°C

The month with the highest average low temperature is January (20.3°C).
The coldest months (with the lowest average low temperature) are July and August (10.9°C).

Average pressure in September
Narrabeen, Australia

  • Average pressure in September: 1017.1mbar

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
Narrabeen, Australia

  • Average wind speed in September: 16.6km/h

The windiest month (with the highest average wind speed) is August (16.8km/h).
The calmest month (with the lowest average wind speed) is April (14.6km/h).

Average humidity in September
Narrabeen, Australia

  • Average humidity in September: 67%

The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (66%).

Average rainfall in September
Narrabeen, Australia

  • Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is February (95mm).
The driest month (with the least rainfall) is September (32mm).

Average rainfall days in September
Narrabeen, Australia

  • Average rainfall days in September: 8.7 days

The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is September (8.7 days).

Average daylight in September /
Average sunshine in September
Narrabeen, Australia

  • Average daylight in September: 11h and 54min

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 54min

The month with the most sunshine is November (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).

Average sunshine days in September
Narrabeen, Australia

  • Average sunshine days in September: 19.4 days

The month with the most sunshine days is August (20.4 days).
The month with the least sunshine days is February (10.8 days).

Average UV index in September
Narrabeen, Australia

  • Average UV index in September: 4

The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are June, July, August and September (UV index 4).

Average cloud cover in September
Narrabeen, Australia

  • Average cloud cover in September: 25

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in September
Narrabeen, 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).