September Weather in Kieta, Papua New Guinea

Last updated: August 31, 2025

In Kieta, Papua New Guinea during September, the average temperature hovers around 25°C (78°F), with a minimum of 23°C (74°F) and a maximum reaching 29°C (85°F). Expect moderate precipitation totaling 325 mm (12.8 in) spread over 28 days, resulting in an average humidity level of 85%. Be prepared for a warm and damp ambiance!

September Temperature in Kieta

In September in Kieta, the average temperature is 25°C (78°F), with maximums reaching up to 29°C (85°F) and minimums dropping to as low as 23°C (74°F). This warm and pleasant weather makes it an ideal destination for travelers looking to enjoy outdoor activities and explore the local sights.

September Weather in Kieta: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Kieta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kieta, September typically has an average temperature of 25°C (78°F), with highs reaching up to 29°C (85°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec797979797978777777787979
Data source: Temperature data for Kieta generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Kieta

In Kieta in September, the precipitation amount is 325 mm (12.8 in) over the course of 28 days.

September Precipitation Trends in Kieta

The chart displays monthly precipitation patterns in Kieta, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Kieta, September typically receives around 325 mm (12.8 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec231226325280256287372358325272276306
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kieta

In Kieta in September humidity is 85%. With an average temperature of 25°C (78°F), this humidity feels like traveling through a warm, damp blanket that clings to your skin, making even short walks feel exhausting and prompting frequent breaks in the shade or a refreshing drink to stay cool.

September Average Humidity in Kieta

This chart illustrates the average monthly humidity levels in Kieta, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Kieta is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%76%76%76%75%79%83%85%85%84%80%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kieta

In Kieta in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Kieta.

Maximum UV Index Levels in Kieta for September

The chart shows the monthly maximum UV Index (UVI) for Kieta in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Kieta typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617161311111315151514
Data source: Kieta September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Kieta Compares to Other Months

Weather in Kieta varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kieta, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Kieta, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)230 mm (9.1 inches)78%extreme
February Weather26°C (80°F)226 mm (8.9 inches)76%extreme
March Weather26°C (79°F)325 mm (12.8 inches)76%extreme
April Weather26°C (79°F)280 mm (11.0 inches)76%extreme
May Weather26°C (79°F)256 mm (10.1 inches)75%extreme
June Weather25°C (78°F)287 mm (11.3 inches)79%extreme
July Weather25°C (78°F)372 mm (14.6 inches)83%extreme
August Weather25°C (77°F)358 mm (14.1 inches)85%extreme
September Weather25°C (78°F)325 mm (12.8 inches)85%extreme
October Weather26°C (78°F)272 mm (10.7 inches)84%extreme
November Weather26°C (79°F)276 mm (10.9 inches)80%extreme
December Weather26°C (79°F)306 mm (12.0 inches)78%extreme

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