September weather forecast
Nightcliff, Australia

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Weather in September

September, the first month of the spring in Nightcliff, is still a tropical month, with an average temperature varying between 24°C (75.2°F) and 31.7°C (89.1°F).

Temperature

The weather during September records an average high-temperature of a still tropical 31.7°C (89.1°F), closely mirroring the preceding month. Nightcliff reports an average nighttime low-temperature of 24°C (75.2°F) in September.

Heat index

Throughout September, the heat index is computed to be a fiery hot 38°C (100.4°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

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

Rainfall

In Nightcliff, in September, it is raining for 7.4 days, with typically 14mm (0.55") of accumulated precipitation. Throughout the year, there are 191.8 rainfall days, and 1282mm (50.47") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature is 27.8°C (82°F).
Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are considered superb and highly pleasant for water activities over extended periods.

Daylight

In September, the average length of the day is 12h and 2min.
On the first day of September, sunrise is at 6:50 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 6:42 pm ACST.

Sunshine

In September, the average sunshine in Nightcliff is 9.8h.

UV index

January through October and December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: A maximum UV index of 7 in September translates into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Attention! The reflection of both water and sand can increase the intensity of UV rays.
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Frequently asked questions

Is it hot in Nightcliff during September?

Nightcliff in September has an average high-temperature of 31.7°C (89.1°F) and an average low-temperature of 24°C (75.2°F). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 38°C (100.4°F).

What is the average humidity in September in Nightcliff?

The average relative humidity in September in Nightcliff, Australia, is 64%.

How much does it rain in Nightcliff in September?

In Nightcliff, in September, it is raining for 7.4 days, with typically 14mm (0.55") of accumulated precipitation.

How warm is the water in September in Nightcliff?

In Nightcliff, Australia, the average seawater temperature in September is 27.8°C (82°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in September in Nightcliff?

In Nightcliff, Australia, the average day length in September is 12h and 2min.

When is the sunrise / sunset in September in Nightcliff?

On the first day of September in Nightcliff, sunrise is at 6:50 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 6:42 pm ACST.

How long on average sun shines in September in Nightcliff?

The average sunshine duration in September in Nightcliff, Australia, is 9.8h.

When is the lowest UV index in Nightcliff?

January through October and December, with an average maximum UV index of 7, are months with the lowest UV index in Nightcliff.

What is the UV index intensity in September in Nightcliff?

In Nightcliff, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.

Average temperature in September
Nightcliff, Australia

Average temperature in September - Nightcliff, Australia
  • Average high temperature in September: 31.7°C

The warmest month (with the highest average high temperature) is November (33.3°C).
The month with the lowest average high temperature is July (29.4°C).

  • Average low temperature in September: 24°C

The month with the highest average low temperature is December (27.8°C).
The coldest month (with the lowest average low temperature) is July (21.7°C).

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Average pressure in September
Nightcliff, Australia

Average pressure in September - Nightcliff, Australia
  • Average pressure in September: 1012.2mbar

The months with the highest atmospheric pressure are July and August (1013.2mbar).
The month with the lowest atmospheric pressure is January (1006.3mbar).

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Average wind speed in September
Nightcliff, Australia

Average wind speed in September - Nightcliff, Australia
  • Average wind speed in September: 9.9km/h

The windiest month (with the highest average wind speed) is January (15.3km/h).
The calmest month (with the lowest average wind speed) is September (9.9km/h).

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Average humidity in September
Nightcliff, Australia

Average humidity in September - Nightcliff, Australia
  • Average humidity in September: 64%

The months with the highest relative humidity are January and February (78%).
The month with the lowest relative humidity is June (57%).

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Average rainfall in September
Nightcliff, Australia

Average rainfall in September - Nightcliff, Australia
  • Average rainfall in September: 14mm

The wettest month (with the highest rainfall) is January (340mm).
The driest months (with the least rainfall) are June, July and August (2mm).

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Average rainfall days in September
Nightcliff, Australia

Average rainfall days in September - Nightcliff, Australia
  • Average rainfall days in September: 7.4 days

The month with the highest number of rainy days is January (28.3 days).
The month with the least rainy days is June (1.9 days).

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Average sea temperature in September
Nightcliff, Australia

Average sea temperature in September - Nightcliff, Australia
  • Average sea temperature in September: 27.8°C

The best month for swimming (with the highest average sea temperature) is December (31.5°C).
The coldest month (with the lowest average sea temperature) is July (25.8°C).

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

Average daylight in September / Average sunshine in September - Nightcliff, Australia
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 24min).

  • Average sunshine in September: 9h and 5min

The months with the most sunshine are June and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 7h and 30min).

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Average sunshine days in September
Nightcliff, Australia

Average sunshine days in September - Nightcliff, Australia
  • Average sunshine days in September: 20.3 days

The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is February (0.9 days).

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Average UV index in September
Nightcliff, Australia

Average UV index in September - Nightcliff, Australia
  • Average UV index in September: 7

The month with the highest UV index is November (UV index 8).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October and December (UV index 7).

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Average cloud cover in September
Nightcliff, Australia

Average cloud cover in September - Nightcliff, Australia
  • Average cloud cover in September: 13

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 9).

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Average visibility in September
Nightcliff, Australia

Average visibility in September - Nightcliff, Australia
  • Average visibility in September: 10km

The months with the highest visibility are April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March and December (9km).

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Nightcliff, Australia

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