September weather forecast
Wake Island, Wake Island, USA

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Weather in September

As Wake Island, USA, welcomes September, a slight decrease in the intensity of rains is felt. September sees a rainfall measurement of 5.1" (130mm), creating a rhythm that is kinder and gentler in nature. The month provides a considerable amount of sunlit hours for outdoor enthusiasts to exploit. The increasingly warm sea, nevertheless, remains a comfort to swimmers. Transitioning into October, the Island anticipates a further reduction in rainfall levels.

Temperature

During July through September, Wake Island registers its highest temperatures, averaging a high of 88.2°F (31.2°C).

Rainfall

In Wake Island, in September, it is raining for 19 days, with typically 5.08" (129mm) of accumulated precipitation. In Wake Island, during the entire year, the rain falls for 230 days and collects up to 35.67" (906mm) of precipitation.

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 Wake Island, Wake Island, the average length of the day in September is 12h and 15min.
On the first day of the month, sunrise is at 6:38 am and sunset at 7:08 pm. On the last day of September, in Wake Island, sunrise is at 6:43 am and sunset at 6:42 pm +12.

Sunshine

The average sunshine in September in Wake Island 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 of 11, and more, symbolizes an extreme threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 12 transforms into these recommendations:
Take all necessary precautions, as unprotected skin can burn in minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Boost your sun resistance with garments that are densely woven yet spacious. Every two hours, apply and reapply an SPF 30+ broad-spectrum sunscreen, especially after swimming or engaging in outdoor activities. Be wary! Reflections from sand and water make UV radiation more intense.
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Frequently asked questions

What is the warmest month in Wake Island?

During July through September, Wake Island experiences its warmest period, with an average high-temperature of 88.2°F (31.2°C).

How hot is it in Wake Island in September?

September temperatures in Wake Island vary between a high-temperature of 88.2°F (31.2°C) and a low-temperature of 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.

What are the months with the warmest ocean 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.

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). 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.

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

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

When are sunrise and sunset in September in Wake Island?

On the first day of September, sunrise is at 6:38 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:42 pm +12.

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

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

When is the highest UV index in Wake Island?

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

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 value of 11, and more, symbolizes an extreme health vulnerability from unprotected exposure to UV radiation.
Average rainfall days
Average daylight
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 2min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • 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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Wake Island, Wake Island, USA

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