Last updated: August 31, 2025
In September, Madang, Papua New Guinea experiences a tropical climate characterized by warm temperatures and moderate rainfall. Daily maximums hover around 32°C (89°F), with a comfortable average of 26°C (79°F) at night cooling to a minimum of 22°C (72°F). Rain is common, with 179 mm (7.0 in) of precipitation spread over 17 days, contributing to the region's lush greenery. The humidity levels remain high at 81%, enhancing the tropical ambiance that defines this picturesque location. Whether you're planning outdoor adventures or simply soaking in the vibrant surroundings, September in Madang promises a blend of warmth and refreshing rainfall.
In September, Madang, Papua New Guinea experiences a pleasant shift in temperatures, with minimums dipping slightly to 22°C (72°F), offering a hint of cooler nights. The average temperature remains steady at a comfortable 26°C (79°F), while daytime highs reach up to 32°C (89°F). This month marks a transitional period, as the slightly reduced nighttime temperatures create a refreshing atmosphere, compared to the consistent warmth seen from January through August. Overall, September provides a delightful balance of warmth and comfort, perfect for exploring the natural beauty of this tropical paradise.
In September, Madang experiences a notable shift in precipitation patterns, with an average rainfall of 179 mm (7.0 in) over 17 days. This represents a moderate increase compared to the drier months of July and August, which received just 133 mm and 161 mm, respectively. As the region transitions from the relatively dry winter months, the increased rainfall in September hints at the onset of the wet season, paving the way for the more substantial downpours characteristic of the following months, particularly October and November. Although September's rainfall is still less than the early months of the year, it marks a pivotal point in the annual precipitation cycle, setting the stage for the lush greenery that defines Papua New Guinea.
In September, humidity levels in Madang, Papua New Guinea, settle at 81%, marking a slight dip from the consistently high averages observed throughout the year. This trend of stable humidity is evident from January to August, where levels hover around 82%, creating a consistently tropical atmosphere. As the year progresses towards October, humidity edges back up to 82%, indicating that despite September's minor decrease, the region maintains its characteristic dampness. Interestingly, the peak occurs in November with humidity rising to 83%, suggesting that the wet season is just around the corner. Overall, September serves as a brief respite before the humidity again embraces its familiar, lush feel.
September in Madang, Papua New Guinea, continues the trend of extreme UV exposure, showcasing a UV Index of 15 and maintaining a burn time of just 10 minutes. This reflects a consistent pattern from the previous months, where values have hovered between 13 and 17 across the year. The UV Index typically sees a slight decline towards the end of the year, yet September remains in line with the year's highest figures. As you enjoy the beautiful landscapes of Madang, it’s essential to stay informed and protected from the sun’s powerful rays. For more detailed insights, visit Madang UV Index.
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As September arrives in Madang, Papua New Guinea, the sun continues to shine bright, offering an impressive 266 hours of sunlight—only slightly lower than the peak of 276 hours experienced in August and October. This month showcases a consistent transition from the mid-year peak, maintaining the trend of abundant sunshine that characterizes the region during its dry season. Following a pattern that began in January, where daylight gradually increased, September's sunlight reinforces the delightful conditions ideal for enjoying the stunning landscapes and vibrant culture of Papua New Guinea. As the days begin to shorten slightly in the coming months, the lingering warmth of September prepares visitors for unforgettable experiences beneath the golden rays.
September in Madang, Papua New Guinea, offers a moderate chance of sunny weather with a 20% likelihood of clear skies. While this figure marks a slight dip compared to the peak months of June and August, it reflects an overall upward trend in sunshine probabilities as the region transitions from the cooler, wetter months. As the year progresses, September stands out as a transitional period, hinting at the promise of brighter days ahead, especially when compared to the dismal January and February. Visitors can therefore anticipate a mix of gentle sunshine and occasional clouds, making it a delightful time to explore this vibrant coastal paradise.
In September, daylight returns to a balanced 12 hours in Madang, Papua New Guinea, mirroring the steady rhythm of the earlier months. As the dry season gives way to the lush vibrancy of the tropics, residents and visitors alike can bask in the bright sun, reminiscent of the unchanging days of January through March. The duration of daylight dips slightly in the middle of the year, with April through August enjoying a consistent 11 hours, before once again leveling out in the fall months of October through December. This cyclical pattern not only highlights the region’s climatic stability but also invites a sense of renewal as daylight gradually lengthens, perfectly encapsulating the beauty of life in Madang.
In September, the winds in Madang, Papua New Guinea, pick up slightly, averaging 1.5 m/s (3 mph), tying with February and December for the breeziest months of the year. This gentle increase breaks a trend of gradually decreasing wind speeds from June to August, where the calmest days are experienced. As the transition to October looms, the average wind speed dips back to 1.3 m/s (3 mph), showcasing a subtle yet noticeable fluctuation in the coastal climate. This seasonal interplay offers a refreshing breath of air, enhancing the tropical ambiance and inviting both locals and visitors to savor the coastal beauty amid shifting breezes.
Weather in Madang varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Madang, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of September and January, we observe that both months feature warm temperatures, but January tends to be slightly warmer. September's average temperature is around 26°C (79°F), with a maximum of 32°C (89°F), while in January, the average rises to 27°C (80°F), peaking at 33°C (91°F). Precipitation is notably higher in January, with 334 mm (13.2 in) falling over 23 days compared to September's 179 mm (7.0 in) over 17 days. The humidity remains relatively stable, hovering around 81% in September and slightly increasing to 82% in January. For more detailed information about January weather in Madang, you can check Madang weather in January.
In comparing the weather of September and February, both months exhibit warm temperatures, with September experiencing a minimum of 22°C (72°F) and an average of 26°C (79°F), while February has slightly higher temperatures, starting at a minimum of 23°C (74°F) and averaging 27°C (80°F). February tends to be wetter, with significant precipitation of 429 mm (16.9 in) over 27 days, compared to September's 179 mm (7.0 in) over 17 days. The humidity remains relatively consistent, with September at 81% and February slightly higher at 82%. For more detailed insights on February weather, check out Madang weather in February.
In comparing the weather of September and March, both months exhibit similar average temperatures, hovering around 26°C (79°F). However, September typically has a lower minimum temperature of 22°C (72°F) compared to March’s 24°C (75°F). Interestingly, while maximum temperatures peak at 32°C (89°F) in September and 32°C (90°F) in March, March experiences significantly higher precipitation levels, with 557 mm (21.9 in) falling over 29 days, in contrast to September’s 179 mm (7.0 in) over just 17 days. Additionally, humidity remains relatively high in both months, with a slight increase from 81% in September to 82% in March. For a detailed look at Madang’s March weather, you can visit Madang weather in March.
When comparing the weather in September and April, we find some intriguing similarities and differences. Both months have an average temperature of 26°C (79°F), with maximum temperatures peaking at 32°C (89°F). However, September enjoys slightly lower minimum temperatures, averaging 22°C (72°F) compared to April's 23°C (74°F). In terms of rainfall, September experiences 179 mm (7.0 in) over 17 days, while April sees a significant increase with 503 mm (19.8 in) spread across 29 days, making it a much wetter month. Consequently, the humidity levels remain similar, with September at 81% and April nudging slightly higher at 82%. For more detailed information, you can visit Madang weather in April.
When comparing the weather in September and May, both months have similar average temperatures, with September reaching an average of 26°C (79°F) and May slightly warmer at 26°C (80°F). However, May experiences higher overall precipitation, totaling 348 mm (13.7 in) over 25 days compared to September's 179 mm (7.0 in) across 17 days. Interestingly, both months share the same humidity level of 81%, contributing to the warm and moist climate typical of this region. For more detailed insights on the weather in May, you can check out Madang weather in May.
In comparing the weather of September and June, both months exhibit similar average temperatures, hovering around 26°C (79°F). However, September tends to be slightly warmer with maximum temperatures reaching up to 32°C (89°F), compared to June's maximum of 31°C (87°F). Interestingly, June experiences a marginally lower minimum temperature of 23°C (74°F) compared to September's 22°C (72°F). While precipitation levels are relatively close, September has 179 mm (7.0 in) over 17 rainy days, whereas June records 172 mm (6.8 in) across 22 days of rain. Humidity remains consistent in both months, with September at 81% and June at 82%. For more specific details about the weather in June, you can visit Madang weather in June.
In comparing the weather between September and July, both months exhibit relatively similar average temperatures, with September showing slightly lower minimum and maximum temperatures of 22°C (72°F) and 32°C (89°F) compared to July's 23°C (74°F) and 31°C (88°F). However, September experiences higher precipitation levels, totaling 179 mm (7.0 in) over 17 days, in contrast to July's 133 mm (5.3 in) over 20 days. Humidity remains consistently high in both months, with September at 81% and July at 82%. For a more detailed look at July's weather, check out Madang weather in July.
In comparing the weather of September to August, we can observe some notable differences. September maintains a slightly warmer average temperature, with minimums of 22°C (72°F) compared to August's 23°C (74°F), and unlike August, it features a higher maximum temperature of 32°C (89°F), just edging out August's 31°C (88°F). Rainfall in September also increases, with 179 mm (7.0 in) of precipitation over 17 days, while August recorded 161 mm (6.4 in) over 18 days. Both months experience similar humidity levels, with September at 81% and August at 82%. For more detailed information about August weather, you can check Madang weather in August.
In comparing the weather between September and October, it is evident that both months maintain a warm climate, with average temperatures remaining consistent at around 26°C (79°F). However, October experiences a slight increase in minimum temperature, rising to 23°C (74°F). Precipitation is significantly higher in October, totaling 302 mm (11.9 in) over 23 days, compared to September's 179 mm (7.0 in) over 17 days. Additionally, humidity levels are slightly elevated in October at 82%, compared to 81% in September. For a more detailed look at the conditions, you can refer to Madang weather in October.
In comparing the weather of September and November, both months display similar average temperatures, hovering around 26°C (79°F to 80°F). However, November experiences a slightly higher minimum temperature of 23°C (74°F), compared to September's 22°C (72°F). Notably, November sees a significant increase in precipitation, with 429 mm (16.9 in) falling over 27 days, in contrast to September's 179 mm (7.0 in) over 17 days. This results in a marginally higher humidity level in November at 83%, compared to 81% in September. For a detailed look at November's weather, you can visit Madang weather in November.
In September, the weather is warm with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 32°C (89°F), and the humidity remains high at 81%. However, precipitation is significant, with about 179 mm (7.0 in) falling over 17 days. In contrast, December sees slightly higher average temperatures, ranging from a minimum of 24°C (75°F) to a maximum of 32°C (90°F), but also experiences much more rainfall, totaling 504 mm (19.8 in) over 29 days. The humidity remains constant at 81%, making both months feel quite muggy. For a more detailed comparison of weather conditions, visit Madang weather in December.
September in Madang ushers in a warm yet humid atmosphere, distinctly marked by its notable precipitation. With average temperatures hovering around 26°C, this month tends to be warmer compared to the preceding months, inviting outdoor activities amidst lush scenery. However, the increased rainfall, averaging 179 mm over about 17 days, sets it apart from drier periods, contributing to the region’s vibrant emerald landscape. The high humidity level standing at 81% accentuates the tropical experience, making it a unique time to enjoy the rich natural beauty. For more insights on the weather patterns, check out Madang Climate.