Cassidy International Airport
Kiribati
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Cassidy International Airport, Kiribati

The first month of the autumn, September, is still a tropical month in Cassidy International Airport, Kiribati, with average temperature ranging between max 31°C (87.8°F) and min 24°C (75.2°F).

Temperature

The warmest months are March through December, with an average high-temperature of 31°C (87.8°F).

Rainfall

In Cassidy International Airport, during 10 rainfall days, 48mm (1.9") of precipitation is typically accumulated. Throughout the year, there are 148 rainfall days, and 1053mm (41.5") of precipitation is accumulated.

Sea temperature

January through April, August through December, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater in Cassidy International Airport.
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 Cassidy International Airport is 12.1h.

Sunshine

The average sunshine in Cassidy International Airport is 10h.

UV index

January through December, with an average maximum UV index of 12, are months with the highest UV index in Cassidy International Airport, Kiribati. Months with the lowest UV index are January through December, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme threat to health from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 12 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. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What are the warmest months in Cassidy International Airport?

March through December, with an average high-temperature of 31°C (87.8°F), are warmest months.

What is the temperature in September in Cassidy International Airport?

In Cassidy International Airport, Kiribati, in September, the average high-temperature is 31°C (87.8°F), and the average low-temperature is 24°C (75.2°F).

How much does it rain in Cassidy International Airport in September?

In Cassidy International Airport, Kiribati, during September, the rain falls for 10 days and regularly aggregates up to 48mm (1.9") of precipitation.

When is the sea coldest in Cassidy International Airport?

January through April, August through December, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater.

How warm is the water in September in Cassidy International Airport?

In Cassidy International Airport, the average seawater temperature in September is 27°C (80.6°F). 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.

How many hours of daylight does Cassidy International Airport have in September?

In Cassidy International Airport, the average length of the day in September is 12.1h.

How long on average sun shines in September in Cassidy International Airport?

The average sunshine in September in Cassidy International Airport is 10h.

What are the months with the highest UV index in Cassidy International Airport?

Months with the highest UV index are January through December, with an average maximum UV index of 12.

When is the lowest UV index in Cassidy International Airport?

January through December, with an average maximum UV index of 12, are months with the lowest UV index.

What is the UV index intensity in September in Cassidy International Airport?

In Cassidy International Airport, the average daily maximum UV index in September is 12. A UV Index of 11, and more, symbolizes an extreme health vulnerability from unprotected exposure to the UV radiation.
Average temperature in September - Cassidy International Airport, Kiribati
  • Average high temperature in September: 31°C

Warmest months (with the highest average high temperature) are March, April, May, June, July, August, September, October, November and December (31°C).
Months with the lowest average high temperature are January and February (30°C).

  • Average low temperature in September: 24°C

Months with the highest average low temperature are January, February, March and April (25°C).
Coldest months (with the lowest average low temperature) are May, June, July, August, September, October, November and December (24°C).

Average rainfall in September - Cassidy International Airport, Kiribati
  • Average rainfall in September: 48mm

The wettest month (with the highest rainfall) is April (168mm).
The driest month (with the lowest rainfall) is October (37mm).

Average rainfall days in September - Cassidy International Airport, Kiribati
  • Average rainfall days in September: 10 days

Months with the highest number of rainy days are January and March (17 days).
Months with the lowest number of rainy days are June and August (9 days).

Average sea temperature in September - Cassidy International Airport, Kiribati
  • Average sea temperature in September: 27°C

Best months for swimming (with the highest average sea temperature) are May, June and July (28°C).
Coldest months (with the lowest average sea temperature) are January, February, March, April, August, September, October, November and December (27°C).

Average daylight in September / Average sunshine in September - Cassidy International Airport, Kiribati
  • Average daylight in September: 12.1h

Months with the longest days are April, May, June, July and August (Average daylight: 12.2h).
Months with shortest days are January, November and December (Average daylight: 12h).

  • Average sunshine in September: 10h

Months with most sunshine are January and March (Average sunshine: 17h).
Months with least sunshine are June and August (Average sunshine: 9).

Average UV index in September - Cassidy International Airport, Kiribati
  • Average UV index in September: 12

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