September weather forecast
Wake Island, Wake Island, USA

Weather in September

The first month of the autumn, September, is also a hot month in Wake Island, Wake Island, with an average temperature fluctuating between 88.2°F (31.2°C) and 77.7°F (25.4°C).

Temperature

The warmest months are July through September, with an average high-temperature of 88.2°F (31.2°C).

Rainfall

In Wake Island, Wake Island, during 19 rainfall days, 5.08" (129mm) of precipitation is typically accumulated. Throughout the year, in Wake Island, there are 230 rainfall days, and 35.67" (906mm) of precipitation is accumulated.

Ocean temperature

The months with the warmest seawater in Wake Island are August through October, with an average ocean temperature of 84.2°F (29°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in September in Wake Island, Wake Island, is 12h and 15min.
On the first day of September, sunrise is at 6:38 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:43 pm +12.

Sunshine

In Wake Island, the average sunshine in September is 8h.

UV index

The months with the highest UV index in Wake Island are March through September, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 12 translate into the following recommendations:
Take all necessary precautions, as unprotected skin can burn in minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What are the warmest months in Wake Island?

Warmest months are July through September, with an average high-temperature of 88.2°F (31.2°C).

What is the temperature in September in Wake Island?

In September, the average high-temperature is 88.2°F (31.2°C), and the average low-temperature is 77.7°F (25.4°C).

How many days does it rain in September in Wake Island?

In Wake Island, Wake Island, during September, the rain falls for 19 days and regularly aggregates up to 5.08" (129mm) of precipitation.

When is the ocean warmest in Wake Island?

The months with the warmest seawater are August through October, with an average ocean temperature of 84.2°F (29°C).

What is the ocean temperature in September in Wake Island?

In Wake Island, in September, the average water temperature is 84.2°F (29°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) 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 Wake Island?

The average day length in September in Wake Island, Wake Island, is 12h and 15min.

When are sunrise and sunset in September in Wake Island?

On the first day of September in Wake Island, Wake Island, sunrise is at 6:38 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:43 pm +12.

How many hours of sunshine does Wake Island have in September?

In Wake Island, Wake Island, the average sunshine duration in September is 8h.

What are the months with the highest UV index in Wake Island?

The months with the highest UV index in Wake Island, Wake Island, are March through September, with an average maximum UV index of 12.

What is the UV index reading in September in Wake Island?

In Wake Island, Wake Island, the average daily maximum UV index in September is 12. A UV Index of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV radiation.
Average rainfall days
Average sunshine
Average UV index

Average temperature in September
Wake Island, Wake Island, USA

Average temperature in September - Wake Island, Wake Island, USA
  • Average high temperature in September: 88.2°F

The warmest months (with the highest average high temperature) are July, August and September (88.2°F).
The month with the lowest average high temperature is February (82°F).

  • Average low temperature in September: 77.7°F

The month with the highest average low temperature is September (77.7°F).
The coldest month (with the lowest average low temperature) is February (72.1°F).

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Average rainfall in September
Wake Island, Wake Island, USA

Average rainfall in September - Wake Island, Wake Island, USA
  • Average rainfall in September: 5.1"

The wettest month (with the highest rainfall) is August (6.2").
The driest month (with the least rainfall) is January (1.2").

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Average rainfall days in September
Wake Island, Wake Island, USA

Average rainfall days in September - Wake Island, Wake Island, USA
  • Average rainfall days in September: 19 days

The month with the highest number of rainy days is January (22 days).
The months with the least rainy days are April, May and June (17 days).

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Average sea temperature in September
Wake Island, Wake Island, USA

Average sea temperature in September - Wake Island, Wake Island, USA
  • Average sea temperature in September: 84°F

The best months for swimming (with the highest average sea temperature) are August, September and October (84°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (79°F).

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Average daylight in September /
Average sunshine in September
Wake Island, Wake Island, USA

Average daylight in September / Average sunshine in September - Wake Island, Wake Island, USA
  • Average daylight in September: 12h and 15min

The month with the longest days is June (Average daylight: 13h and 16min).
The month with the shortest days is December (Average daylight: 10h and 59min).

  • Average sunshine in September: 8h

The months with the most sunshine are May and June (Average sunshine: 10h).
The months with the least sunshine are November and December (Average sunshine: 7h).

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Average UV index in September
Wake Island, Wake Island, USA

Average UV index in September - Wake Island, Wake Island, USA
  • Average UV index in September: 12

The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The months with the lowest UV index are January, November and December (UV index 8).

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