September weather forecast and climate
Wake Island, Wake Island, USA

Weather in September

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

Temperature

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

Rainfall

In Wake Island, Wake Island, in September, it is raining for 19 days, with typically 5.07" (128.8mm) of accumulated precipitation. In Wake Island, during the entire year, the rain falls for 230 days and collects up to 35.69" (906.4mm) of precipitation.

Ocean temperature

Months with the warmest seawater in Wake Island are August through October, with an average ocean temperature of 84.2°F (29°C).
Note: For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In Wake Island, the average length of the day is 12.3h.

Sunshine

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

UV index

Months with the highest UV index are March through September, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme health hazard from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 12 in September transform into the following instructions:
Take all necessary precautions, as unprotected skin can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What are the warmest months in Wake Island?

Warmest months in Wake Island 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, in Wake Island, Wake Island, 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, in September, during 19 rainfall days, 5.07" (128.8mm) of precipitation is typically accumulated.

When is the ocean warmest in Wake Island?

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

What is the ocean temperature in September in Wake Island?

In Wake Island, Wake Island, the average seawater temperature in September is 84.2°F (29°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

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

The average length of the day in September in Wake Island is 12.3h.

How long on average sun shines in September in Wake Island?

The average sunshine in September in Wake Island, Wake Island, is 8h.

What is the month with the highest UV index in Wake Island?

Months with the highest UV index are March through September, with an average maximum UV index of 12.

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

In September, the average daily maximum UV index is 12. A UV Index estimate of 11, and higher, represents an extreme health vulnerability from unsafe exposure to the Sun's UV rays.

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).
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: 12.3h

The month with the longest days is June (Average daylight: 13.3h).
The month with the shortest days is December (Average daylight: 11h).

  • Average sunshine in September: 8h

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

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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

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

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