Bairiki
Kiribati
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Bairiki, Kiribati

The National Parliament buildings of Bairiki, Kiribati, viewed from across the city triangle in the morning
The National Parliament buildings of Bairiki, Kiribati, viewed from across the city triangle in the morning
The first month of the autumn, September, is still a hot month in Bairiki, Kiribati, with average temperature varying between 31°C (87.8°F) and 25°C (77°F).

Temperature

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

Rainfall

In September, the rain falls for 20 days. Throughout September, 111mm (4.4") of precipitation is accumulated. In Bairiki, during the entire year, the rain falls for 237 days and collects up to 1927mm (75.9") of precipitation.

Sea temperature

In Bairiki, Kiribati, the average seawater temperature in September is 29.1°C (84.4°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.

Daylight

In Bairiki, the average length of the day in September is 12.1h.

Sunshine

In Bairiki, the average sunshine is 20h.

UV index

Months with the highest UV index are January through December, with an average maximum UV index of 12. Months with the lowest UV index in Bairiki are January through December, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
In September, the average maximum UV index of 12 translate into the following recommendations:
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. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the warmest month in Bairiki?

Warmest months in Bairiki, Kiribati, are January through December, with an average high-temperature of 31°C (87.8°F).

What is the coldest month in Bairiki?

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

What is the temperature in September in Bairiki?

The average high-temperature, in September, in Bairiki, is 31°C (87.8°F), while the average low-temperature is 25°C (77°F).

How much does it rain in Bairiki in September?

In Bairiki, Kiribati, during September, the rain falls for 20 days and regularly aggregates up to 111mm (4.4") of precipitation.

What is the sea water temperature in September in Bairiki?

In Bairiki, the average seawater temperature in September is 29.1°C (84.4°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Bairiki have in September?

In September, the average length of the day in Bairiki is 12.1h.

How long on average sun shines in September in Bairiki?

In Bairiki, Kiribati, the average sunshine in September is 20h.

When is the highest UV index in Bairiki?

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

What is the month with the lowest UV index in Bairiki?

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

How high is the UV index in September in Bairiki?

The average daily maximum UV index in September is 12. A UV Index reading of 11, and higher, represents an extreme health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in September - Bairiki, Kiribati
  • Average high temperature in September: 31°C

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

  • Average low temperature in September: 25°C

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

Average rainfall in September - Bairiki, Kiribati
  • Average rainfall in September: 111mm

The wettest month (with the highest rainfall) is January (257mm).
The driest month (with the lowest rainfall) is October (108mm).

Average rainfall days in September - Bairiki, Kiribati
  • Average rainfall days in September: 20 days

Months with the highest number of rainy days are March, October and December (21 days).
The month with the lowest number of rainy days is June (18 days).

Average sea temperature in September - Bairiki, Kiribati
  • Average sea temperature in September: 29.1°C

Best months for swimming (with the highest average sea temperature) are June and August (29.4°C).
The coldest month (with the lowest average sea temperature) is December (28.7°C).

Average daylight in September / Average sunshine in September - Bairiki, Kiribati
  • Average daylight in September: 12.1h

Months with the longest days are May, June, July and August (Average daylight: 12.2h).
The month with shortest days is December (Average daylight: 12h).

  • Average sunshine in September: 20h

Months with most sunshine are March, October and December (Average sunshine: 21h).
The month with least sunshine is June (Average sunshine: 18h).

Average UV index in September - Bairiki, 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).