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September Weather in Kokopo, Papua New Guinea

Last updated: August 31, 2025

In Kokopo, Papua New Guinea, the average temperature in September hovers around 27°C (80°F), with daily highs reaching up to 29°C (85°F) and lows dipping to 25°C (77°F). During this period, expect 178 mm (7.0 in) of precipitation spread over 19 days, contributing to a notably high average humidity of 88%.

September Temperature in Kokopo

In September in Kokopo, the average temperature is 27°C (80°F), with maximums reaching up to 29°C (85°F) and minimums dropping to around 25°C (77°F). This pleasant climate makes it an ideal destination for travelers seeking warm and comfortable weather.

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

The chart illustrates September temperature patterns in Kokopo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kokopo, September typically has an average temperature of 27°C (80°F), with highs reaching up to 29°C (85°F) and lows dropping to around 25°C (77°F).
JanFebMarAprMayJunJulAugSepOctNovDec818181818181808080818181
Data source: Temperature data for Kokopo 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 Kokopo

In Kokopo in September, the total precipitation amount is 178 mm (7.0 in), occurring over 19 days.

September Precipitation Trends in Kokopo

The chart displays monthly precipitation patterns in Kokopo, 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 Kokopo, September typically receives around 178 mm (7.0 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec216299407336204119179191178171227339
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kokopo

In Kokopo in September, humidity is 88%. With an average temperature of 27°C (80°F), this humidity feels like a warm, thick blanket enveloping you, making travel quite uncomfortable as you navigate the sticky air and sweat almost immediately.

September Average Humidity in Kokopo

This chart illustrates the average monthly humidity levels in Kokopo, 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 Kokopo is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%77%78%78%77%82%86%89%88%85%81%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kokopo

In Kokopo 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 Kokopo.

Maximum UV Index Levels in Kokopo for September

The chart shows the monthly maximum UV Index (UVI) for Kokopo 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 Kokopo typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151717161312121315141414
Data source: Kokopo 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 Kokopo Compares to Other Months

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

This table compares monthly weather conditions in Kokopo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (82°F)216 mm (8.5 inches)78%extreme
February Weather27°C (81°F)299 mm (11.8 inches)77%extreme
March Weather27°C (81°F)407 mm (16.0 inches)78%extreme
April Weather27°C (81°F)336 mm (13.2 inches)77%extreme
May Weather27°C (81°F)204 mm (8.0 inches)77%extreme
June Weather27°C (81°F)119 mm (4.7 inches)82%extreme
July Weather27°C (80°F)179 mm (7.1 inches)86%extreme
August Weather27°C (80°F)191 mm (7.5 inches)89%extreme
September Weather27°C (80°F)178 mm (7.0 inches)88%extreme
October Weather27°C (81°F)171 mm (6.7 inches)85%extreme
November Weather27°C (81°F)227 mm (8.9 inches)81%extreme
December Weather27°C (81°F)339 mm (13.3 inches)78%extreme

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