September weather forecast
Flying Fish Cove, Christmas Island

englishespañol中文
Share

Weather in September

The weather in September sees a transition in Flying Fish Cove, with temperatures and rainfall beginning to rise from the August lows. Amidst these changes, the sea temperature remains relatively steady, still inviting for water activities. The island city gets bathed in abundant sunlight lasting up to 12 hours, seasonally the longest day span of the year. An increase in cloud coverage accompanies the increased rainfall, setting an enchanting skyline. September ushers in the ripening tropical weather, highlighting the city's vibrant and unique appeal.

Temperature

As August turns into September, the average high-temperatures rest at a still warm 27.1°C (80.8°F), showing a minor variation from the prior month. In Flying Fish Cove, the September nights cool down to an average low of 21.8°C (71.2°F).

Heat index

September's mean heat index is computed to be a tropical 30°C (86°F). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Flying Fish Cove, Christmas Island, the average relative humidity in September is 80%.

Rainfall

In Flying Fish Cove, in September, it is raining for 15.7 days, with typically 32mm (1.26") of accumulated precipitation. Throughout the year, in Flying Fish Cove, there are 243.6 rainfall days, and 1046mm (41.18") of precipitation is accumulated.

Sea temperature

August and September, with an average sea temperature of 26.3°C (79.3°F), are months with the coldest seawater in Flying Fish Cove.
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) 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 is 12h and 3min.
On the first day of the month, sunrise is at 05:59 and sunset at 17:54. On the last day of September, sunrise is at 05:41 and sunset at 17:52 +07.

Sunshine

In September, the average sunshine is 9.2h.

UV index

May through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 6 in September translates into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take caution! The UV rays from the Sun gain strength from sand and water reflections.
[Resources]

Frequently asked questions

What is the temperature in September in Flying Fish Cove?

In September, the average high-temperature and low-temperature in Flying Fish Cove are 27.1°C (80.8°F) and 21.8°C (71.2°F) respectively. In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 30°C (86°F).

What is the average humidity in September in Flying Fish Cove?

In Flying Fish Cove, the average relative humidity in September is 80%.

How much does it rain in Flying Fish Cove in September?

In September, the rain falls for 15.7 days. Throughout September, 32mm (1.26") of precipitation is accumulated.

What months are the sea coldest in Flying Fish Cove?

The months with the coldest seawater in Flying Fish Cove are August and September, with an average sea temperature of 26.3°C (79.3°F).

What is the sea water temperature in September in Flying Fish Cove?

In Flying Fish Cove, Christmas Island, in September, the average water temperature is 26.3°C (79.3°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Flying Fish Cove have in September?

In September, the average day length in Flying Fish Cove is 12h and 3min.

When are sunrise and sunset in September in Flying Fish Cove?

In September, on the first day of the month, sunrise is at 05:59 and sunset at 17:54. On the last day of the month, in Flying Fish Cove, sunrise is at 05:41 and sunset at 17:52 +07.

How long on average sun shines in September in Flying Fish Cove?

In Flying Fish Cove, the average sunshine duration in September is 9.2h.

When is the lowest UV index in Flying Fish Cove?

May through December, with an average maximum UV index of 6, are months with the lowest UV index in Flying Fish Cove.

What is the UV index intensity in September in Flying Fish Cove?

In Flying Fish Cove, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.

Average temperature in September
Flying Fish Cove, Christmas Island

Average temperature in September - Flying Fish Cove, Christmas Island
  • Average high temperature in September: 27.1°C

The warmest month (with the highest average high temperature) is March (28.5°C).
The months with the lowest average high temperature are July and August (26.9°C).

  • Average low temperature in September: 21.8°C

The months with the highest average low temperature are January and December (23.9°C).
The coldest month (with the lowest average low temperature) is August (21.6°C).

[Resources]

Average pressure in September
Flying Fish Cove, Christmas Island

Average pressure in September - Flying Fish Cove, Christmas Island
  • Average pressure in September: 1011.9mbar

The month with the highest atmospheric pressure is September (1011.9mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).

[Resources]

Average wind speed in September
Flying Fish Cove, Christmas Island

Average wind speed in September - Flying Fish Cove, Christmas Island
  • Average wind speed in September: 14.3km/h

The windiest month (with the highest average wind speed) is August (15.6km/h).
The calmest month (with the lowest average wind speed) is April (8.9km/h).

[Resources]

Average humidity in September
Flying Fish Cove, Christmas Island

Average humidity in September - Flying Fish Cove, Christmas Island
  • Average humidity in September: 80%

The months with the highest relative humidity are May, June, July and November (82%).
The month with the lowest relative humidity is January (78%).

[Resources]

Average rainfall in September
Flying Fish Cove, Christmas Island

Average rainfall in September - Flying Fish Cove, Christmas Island
  • Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is May (140mm).
The driest month (with the least rainfall) is August (25mm).

[Resources]

Average rainfall days in September
Flying Fish Cove, Christmas Island

Average rainfall days in September - Flying Fish Cove, Christmas Island
  • Average rainfall days in September: 15.7 days

The month with the highest number of rainy days is November (23.6 days).
The month with the least rainy days is August (13.9 days).

[Resources]

Average sea temperature in September
Flying Fish Cove, Christmas Island

Average sea temperature in September - Flying Fish Cove, Christmas Island
  • Average sea temperature in September: 26.3°C

The best month for swimming (with the highest average sea temperature) is March (29.6°C).
The coldest months (with the lowest average sea temperature) are August and September (26.3°C).

[Resources]

Average daylight in September /
Average sunshine in September
Flying Fish Cove, Christmas Island

Average daylight in September / Average sunshine in September - Flying Fish Cove, Christmas Island
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 30min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is February (Average sunshine: 10h and 18min).
The month with the least sunshine is July (Average sunshine: 6h and 48min).

[Resources]

Average sunshine days in September
Flying Fish Cove, Christmas Island

Average sunshine days in September - Flying Fish Cove, Christmas Island
  • Average sunshine days in September: 7.1 days

The months with the most sunshine days are January and August (7.6 days).
The month with the least sunshine days is May (4.4 days).

[Resources]

Average UV index in September
Flying Fish Cove, Christmas Island

Average UV index in September - Flying Fish Cove, Christmas Island
  • Average UV index in September: 6

The months with the highest UV index are January, February, March and April (UV index 7).
The months with the lowest UV index are May, June, July, August, September, October, November and December (UV index 6).

[Resources]

Average cloud cover in September
Flying Fish Cove, Christmas Island

Average cloud cover in September - Flying Fish Cove, Christmas Island
  • Average cloud cover in September: 30

The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 25).

[Resources]

Average visibility in September
Flying Fish Cove, Christmas Island

Average visibility in September - Flying Fish Cove, Christmas Island
  • 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).

[Resources]

Flying Fish Cove, Christmas Island

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location