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September Weather in Kainantu, Papua New Guinea

Last updated: August 31, 2025

In September, the average temperature in Kainantu, Papua New Guinea hovers around 18°C (65°F), with minimums dipping to 12°C (54°F) and maximums reaching up to 25°C (78°F). Expect considerable rainfall, accumulating about 221 mm (8.7 in) over 24 days, and enjoy the lush atmosphere brought on by an average humidity of 85%.

September Temperature in Kainantu

In September in Kainantu, the average temperature is 18°C (65°F). Maximums can reach 25°C (78°F), and minimums can be as low as 12°C (54°F). This mild climate makes Kainantu an ideal destination for travelers looking to enjoy comfortable weather.

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

The chart illustrates September temperature patterns in Kainantu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kainantu, September typically has an average temperature of 18°C (65°F), with highs reaching up to 25°C (78°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec666666666664646464656667
Data source: Temperature data for Kainantu 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 Kainantu

In Kainantu in September, the precipitation amount is 221 mm (8.7 in), occurring over the course of 24 days.

September Precipitation Trends in Kainantu

The chart displays monthly precipitation patterns in Kainantu, 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 Kainantu, September typically receives around 221 mm (8.7 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec335345471391226172143180221289342457
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kainantu

In Kainantu in September humidity is 85%. With an average temperature of 18°C (65°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities challenging but creating a lush, vibrant atmosphere that invites exploration.

September Average Humidity in Kainantu

This chart illustrates the average monthly humidity levels in Kainantu, 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 Kainantu is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%90%90%91%91%91%89%85%87%89%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kainantu

In Kainantu in September, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in Kainantu, you can check Hourly UV Index in Kainantu.

Maximum UV Index Levels in Kainantu for September

The chart shows the monthly maximum UV Index (UVI) for Kainantu 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 Kainantu typically reaches 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171818181412131517171616
Data source: Kainantu 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 Kainantu Compares to Other Months

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

This table compares monthly weather conditions in Kainantu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (67°F)335 mm (13.2 inches)89%extreme
February Weather19°C (67°F)345 mm (13.6 inches)90%extreme
March Weather19°C (66°F)471 mm (18.6 inches)90%extreme
April Weather19°C (66°F)391 mm (15.4 inches)90%extreme
May Weather19°C (66°F)226 mm (8.9 inches)91%extreme
June Weather18°C (64°F)172 mm (6.8 inches)91%extreme
July Weather18°C (64°F)143 mm (5.6 inches)91%extreme
August Weather18°C (64°F)179 mm (7.1 inches)89%extreme
September Weather18°C (65°F)221 mm (8.7 inches)85%extreme
October Weather18°C (65°F)289 mm (11.4 inches)86%extreme
November Weather19°C (66°F)342 mm (13.5 inches)89%extreme
December Weather19°C (67°F)457 mm (18.0 inches)90%extreme

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