Wake Island
Wake Island, USA
Long-term weather forecast
Long-term weather forecast

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

September, the first month of the autumn, in Wake Island, is also a hot month, with temperature in the range of an average high of 88.2°F (31.2°C) and an average low of 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, during September, the rain falls for 19 days and regularly aggregates up to 5.1" (128.8mm) of precipitation. Throughout the year, in Wake Island, there are 230 rainfall days, and 35.7" (906.4mm) of precipitation is accumulated.

Ocean temperature

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

Daylight

In September, the average length of the day is 12.3h.

Sunshine

In September, the average sunshine 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 of 11, and more, symbolizes an extreme threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 12 transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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.

What is the warmest month 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?

The average high-temperature, in September, in Wake Island, Wake Island, is 88.2°F (31.2°C), while the average low-temperature is 77.7°F (25.4°C).

How much does it rain in Wake Island in September?

In Wake Island, during September, the rain falls for 19 days and regularly aggregates up to 5.1" (128.8mm) of precipitation.

What months are the ocean warmest in Wake Island?

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

How warm is the water 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.

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

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

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

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

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

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

How high is the UV index in September in Wake Island?

In Wake Island, Wake Island, the average daily maximum UV index in September is 12. A UV Index reading of 11, and higher, represents an extreme health threat from unsafe exposure to the Sun's UV rays.
Average temperature in September - Wake Island, Wake Island, USA
  • Average high temperature in September: 88.2°F

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).

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 lowest rainfall) is January (1.2").

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 lowest number of rainy days are April, May and June (17 days).

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

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

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 shortest days is December (Average daylight: 11h).

  • Average sunshine in September: 8h

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

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).