September weather forecast
Tautu, Cook Islands

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Weather in September

September ushers in the transition from winter to summer in Tautu, with a slight increase in maximum temperatures and longer daylight hours. While 31mm (1.22") of rainfall can be expected, it does not considerably affect outdoor activities. The persistent sunshine accompanied by the cooling breezes create a pleasing climate. This time of year is characterized by incredible changes in the vegetation and landscape, offering breathtaking views.

Temperature

Tautu experiences an average high-temperature of a still warm 25.2°C (77.4°F) with the onset of September, subtly varied from August's 24.8°C (76.6°F). In September, Tautu temperatures settle at a low of 24°C (75.2°F) during the nights, reflecting a minor change from daytime highs.

Humidity

In Tautu, Cook Islands, the average relative humidity in September is 78%.

Rainfall

In Tautu, during September, the rain falls for 13.4 days and regularly aggregates up to 31mm (1.22") of precipitation. In Tautu, during the entire year, the rain falls for 214.3 days and collects up to 1133mm (44.61") of precipitation.

Daylight

In Tautu, the average length of the day in September is 12h and 0min.
On the first day of September in Tautu, sunrise is at 06:45 and sunset at 18:31. On the last day of the month, sunrise is at 06:20 and sunset at 18:36 -10.

Sunshine

In September, the average sunshine is 7.3h.

UV index

June through September, with an average maximum UV index of 6, are months with the lowest UV index in Tautu. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 during September translates into the following directions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What are the temperatures in Tautu in September?

The high-temperature, in September, in Tautu, records 25.2°C (77.4°F), while the low-temperature is 24°C (75.2°F). In April, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 31°C (87.8°F).

What is the average humidity in September in Tautu?

In Tautu, Cook Islands, the average relative humidity in September is 78%.

How many days does it rain in September in Tautu?

In Tautu, in September, it is raining for 13.4 days, with typically 31mm (1.22") of accumulated precipitation.

How many hours of daylight does Tautu have in September?

In September, the average day length in Tautu, Cook Islands, is 12h and 0min.

What time are sunrise and sunset in September in Tautu?

On the first day of September in Tautu, sunrise is at 06:45 and sunset at 18:31. On the last day of the month, sunrise is at 06:20 and sunset at 18:36 -10.

How many hours of sunshine does Tautu have in September?

In September, the average sunshine duration is 7.3h.

When is the lowest UV index in Tautu?

The months with the lowest UV index are June through September, with an average maximum UV index of 6.

What is the UV index intensity in September in Tautu?

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.

Average temperature in September
Tautu, Cook Islands

Average temperature in September - Tautu, Cook Islands
  • Average high temperature in September: 25.2°C

The warmest month (with the highest average high temperature) is March (27.9°C).
The month with the lowest average high temperature is August (24.8°C).

  • Average low temperature in September: 24°C

The month with the highest average low temperature is March (27.3°C).
The coldest month (with the lowest average low temperature) is August (23.8°C).

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Average pressure in September
Tautu, Cook Islands

Average pressure in September - Tautu, Cook Islands
  • Average pressure in September: 1015.6mbar

The month with the highest atmospheric pressure is September (1015.6mbar).
The month with the lowest atmospheric pressure is January (1009.8mbar).

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Average wind speed in September
Tautu, Cook Islands

Average wind speed in September - Tautu, Cook Islands
  • Average wind speed in September: 25.4km/h

The windiest month (with the highest average wind speed) is July (26.2km/h).
The calmest month (with the lowest average wind speed) is March (19.3km/h).

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Average humidity in September
Tautu, Cook Islands

Average humidity in September - Tautu, Cook Islands
  • Average humidity in September: 78%

The month with the highest relative humidity is November (79%).
The month with the lowest relative humidity is June (76%).

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Average rainfall in September
Tautu, Cook Islands

Average rainfall in September - Tautu, Cook Islands
  • Average rainfall in September: 31mm

The wettest month (with the highest rainfall) is January (159mm).
The driest month (with the least rainfall) is June (27mm).

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Average rainfall days in September
Tautu, Cook Islands

Average rainfall days in September - Tautu, Cook Islands
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is March (25.1 days).
The month with the least rainy days is November (13.2 days).

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Average daylight in September /
Average sunshine in September
Tautu, Cook Islands

Average daylight in September / Average sunshine in September - Tautu, Cook Islands
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 0min).

  • Average sunshine in September: 7h and 2min

The month with the most sunshine is November (Average sunshine: 8h and 54min).
The months with the least sunshine are July and October (Average sunshine: 6h and 54min).

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Average sunshine days in September
Tautu, Cook Islands

Average sunshine days in September - Tautu, Cook Islands
  • Average sunshine days in September: 12.1 days

The month with the most sunshine days is November (14.7 days).
The month with the least sunshine days is March (4 days).

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Average UV index in September
Tautu, Cook Islands

Average UV index in September - Tautu, Cook Islands
  • Average UV index in September: 6

The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The months with the lowest UV index are June, July, August and September (UV index 6).

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Average cloud cover in September
Tautu, Cook Islands

Average cloud cover in September - Tautu, Cook Islands
  • Average cloud cover in September: 48

The months with the most cloud cover are August and October (Cloud cover 51).
The month with the least cloud cover is March (Cloud cover 44).

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Average visibility in September
Tautu, Cook Islands

Average visibility in September - Tautu, Cook Islands
  • 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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Tautu, Cook Islands

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