Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The unfolding of September shows an average high-temperature of a still moderately hot 25.2°C (77.4°F), indicating a slight variance from August's 24.8°C (76.6°F). An average low-temperature of 24°C (75.2°F) characterizes Arutanga's September nights.Humidity
In September, the average relative humidity in Arutanga is 78%.Rainfall
In Arutanga, in September, during 13.4 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, in Arutanga, there are 214.3 rainfall days, and 1133mm (44.61") of precipitation is accumulated.Sea temperature
July through October, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater.Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as highly pleasant, making all water activities enjoyable without any discomfort over long durations.
Daylight
In September, the average length of the day in Arutanga is 12h and 0min.On the first day of the month, sunrise is at 06:46 and sunset at 18:31. On the last day of September, sunrise is at 06:20 and sunset at 18:36 -10.
Sunshine
In September, the average sunshine in Arutanga is 7.3h.UV index
The months with the lowest UV index in Arutanga are June through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Enhance your sun protection with tightly woven, yet airy clothing. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Arutanga in September?
What is the average humidity in September in Arutanga?
How much does it rain in Arutanga in September?
What are the months with the coldest sea water in Arutanga?
How warm is the water in September in Arutanga?
How many hours of daylight does Arutanga have in September?
What time are sunrise and sunset in September in Arutanga?
How many hours of sunshine does Arutanga have in September?
What are the months with the lowest UV index in Arutanga?
How high is the UV index in September in Arutanga?
Average temperature in September
Arutanga, 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).
Average pressure in September
Arutanga, 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).
Average wind speed in September
Arutanga, 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).
Average humidity in September
Arutanga, 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%).
Average rainfall in September
Arutanga, 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).
Average rainfall days in September
Arutanga, 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).
Average sea temperature in September
Arutanga, Cook Islands
- Average sea temperature in September: 26°C
The best months for swimming (with the highest average sea temperature) are January, February, March and April (28°C).
The coldest months (with the lowest average sea temperature) are July, August, September and October (26°C).
Average daylight in September /
Average sunshine in September
Arutanga, 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).
Average sunshine days in September
Arutanga, 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).
Average UV index in September
Arutanga, 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).
Average cloud cover in September
Arutanga, 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).
Average visibility in September
Arutanga, 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).
Arutanga, Cook Islands
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