Last updated: August 31, 2025
Experience the unique weather of Goroka, Papua New Guinea in September, where temperatures typically range from a pleasant maximum of 26°C (79°F) to a cool minimum of 12°C (54°F), with an average of 19°C (66°F). This month brings significant rainfall, with an average precipitation of 181 mm (7.1 in) recorded over 25 days, making it ideal for lush landscapes but requiring a readiness for wet conditions. The humidity levels soar to around 85%, creating a vibrant and refreshing atmosphere that defines Goroka’s captivating September climate. Visitors should prepare for a month where the tropical essence of Papua New Guinea thrives amidst the gentle embrace of rain and cool breezes.
In September, Goroka, Papua New Guinea, experiences a delightful climate, with temperatures showing a slight upward trend as the year transitions to warmer months. The minimum temperature dips to around 12°C (54°F), while the average hovers at 19°C (66°F), providing a comfortable atmosphere for both locals and visitors. The maximum temperature reaches 26°C (79°F), consistent with the mild warmth seen throughout August. This month retains a refreshing balance, making September an ideal time to explore the stunning landscapes and vibrant culture of Goroka, as the pleasant temperatures invite outdoor adventures and community festivities alike.
September in Goroka, Papua New Guinea, marks a transition with precipitation amounting to 181 mm (7.1 in) over 25 days, highlighting a slight increase from the drier months of June and July. This uptick in rainfall paves the way for greener landscapes as the region prepares for the heavier downpours of October and November, where precipitation rises significantly, peaking at 339 mm (13.3 in) in November. The trend reflects the climatic rhythm of Goroka, where higher rainfall in the latter part of the year not only rejuvenates the environment but also supports the agricultural activities vital to the local economy. As September unfolds, the lingering frequency of rain sets the stage for the lush vitality characteristic of Papua New Guinea’s highlands.
In Goroka, Papua New Guinea, September marks a slight dip in humidity levels, averaging 85%, which is the lowest in the year. This decrease signals the transition from the high humidity prevalent in the earlier months, where levels frequently hovered around 90%, peaking at 91% from May through July. As the region eases into October, humidity levels begin to rise again, indicating a gradual shift back towards the more typical, moisture-laden conditions that characterize much of Goroka's climate. This trend showcases the dynamic nature of humidity in this mountainous terrain, where patterns play a crucial role in shaping the local environment.
In September, Goroka, Papua New Guinea, experiences a UV Index of 16, maintaining its position in the extreme exposure category. This consistency in high UV levels reflects a broader trend observed throughout the year, with the UV Index hovering between 12 and 18. As the month transitions from winter to spring in the Southern Hemisphere, the burn time remains a swift 10 minutes, underscoring the importance of sun protection for both locals and visitors. With such intense solar radiation persisting, it's crucial to stay informed and take necessary precautions. For more detailed insights on UV levels, check out the Goroka UV Index.
UV Risk Categories
September in Goroka, Papua New Guinea, boasts a delightful 238 hours of sunshine, marking a slight decline from the abundant 252 hours enjoyed in August. This transition hints at the beginning of the month’s shift toward the latter part of the year, where sunshine generally remains plentiful but gradually tapers off. Notably, the sunshine hours from June through September showcase a remarkable peak, with July and August holding the record for the most sun-drenched days. This makes September an inviting choice for outdoor adventures, as the vibrant landscapes bask in the golden glow of early spring. The trend indicates that while summer fades, September's warmth continues to charm residents and visitors alike, promising plenty of bright days ahead.
In Goroka, Papua New Guinea, September offers a moderate chance of sunny weather, with approximately 13% likelihood of sunshine. This month is part of a seasonal pattern where the likelihood of clear skies increases notably during the mid-year months. After a transition through the wetter weeks of the year, June sees a peak in sunshine at 26%, followed by a decrease into August and a slight recovery in September. Although the chances of encountering sunny weather are better than in the earlier months like January and February, it still remains less likely than in the heart of the dry season. Understanding these trends is crucial for planning outdoor activities, as the comfortable temperatures in September make it an attractive month despite the occasional clouds.
In Goroka, Papua New Guinea, September marks a delightful transition as daylight returns to a consistent 12 hours, echoing the longer days of the early year. Following a stretch of 11 hours from April through August, the shift in September signifies a resurgence of sunlight, providing a vibrant backdrop for both daily activities and outdoor explorations. This rhythm of daylight showcases Goroka’s stable equatorial climate, where variations in daylight are subtle yet impactful, flowing seamlessly from the brightness of January to the pleasant balance of October. As the month unfolds, locals and visitors alike can embrace the extended daylight to savor the unique beauty of this lush region.
As September arrives in Goroka, Papua New Guinea, the winds pick up just slightly, with an average speed of 1.3 m/s (3 mph), mirroring the gentle breezes of July and August. This subtle increase signals a shift toward the tail end of the dry season, where the air begins to carry a hint of freshness, invigorating the landscape. Following a consistent pattern throughout the year, the winds remained relatively calm from January through May, but a gradual uptick in speed is noted in the second half of the year. September's light gusts create a serene backdrop for the region, making it an ideal time for enjoying the vibrant surroundings and rich cultural tapestry of Goroka.
Weather in Goroka varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Goroka, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January both feature mild average temperatures, with September having a minimum of 12°C (54°F) and a maximum of 26°C (79°F), while January's temperatures range from a minimum of 14°C (57°F) to a maximum of 28°C (82°F). However, January experiences significantly higher precipitation, totaling 345 mm (13.6 in) over 24 days, compared to September's 181 mm (7.1 in) across 25 days. Additionally, humidity is slightly higher in January at 89%, compared to 85% in September. For more details, you can check out Goroka weather in January.
Comparing the weather in September and February reveals some interesting contrasts. In September, the temperature ranges from a minimum of 12°C (54°F) to a maximum of 26°C (79°F), with an average of 19°C (66°F). This month sees significant rainfall, accumulating 181 mm (7.1 in) across 25 days, creating a humid environment with an 85% humidity level. In contrast, February offers slightly warmer temperatures, with a minimum of 14°C (57°F) and a maximum of 27°C (81°F), maintaining an average of 19°C (67°F). However, it also experiences much higher precipitation at 488 mm (19.2 in) over 28 days, along with increased humidity at 90%. For more details, you can check out Goroka weather in February.
In comparing the weather of September and March, both months exhibit similar average temperatures at around 19°C (66°F), but some notable differences emerge. September's temperatures range from a minimum of 12°C (54°F) to a maximum of 26°C (79°F), while March sees slightly warmer extremes, with minimums of 13°C (56°F) and maximums reaching 27°C (81°F). Precipitation levels are significantly higher in March, with 493 mm (19.4 in) falling over 31 days compared to September's 181 mm (7.1 in) over 25 days. Humidity also increases slightly in March, reaching 90% compared to September’s 85%. For a more detailed look at the weather patterns in March, see Goroka weather in March.
When comparing the weather in September and April, both months share similar average temperatures, with September having a minimum of 12°C (54°F), an average of 19°C (66°F), and a maximum of 26°C (79°F), while April slightly increases with a minimum of 13°C (55°F), an average of 19°C (66°F), and a maximum of 26°C (80°F). However, April is noticeably wetter, with 374 mm (14.7 in) of precipitation over 29 days compared to September's 181 mm (7.1 in) over 25 days. This increased precipitation in April also results in higher humidity levels of 90%, compared to September's 85%. For a more detailed look into Goroka's weather in April, you can refer to this link: Goroka weather in April.
When comparing the weather in September to that in May, we find that both months experience similar average temperatures, with September having a minimum of 12°C (54°F) and a maximum of 26°C (79°F), while May starts slightly warmer with a minimum of 13°C (56°F) and reaches up to 26°C (80°F). Precipitation levels are also comparable, with September receiving 181 mm (7.1 in) of rain and May slightly less at 174 mm (6.9 in), both months having rainfall over 25 days. However, humidity is a bit higher in May at 91% compared to 85% in September, making May feel slightly more humid. For more detailed information, you can check Goroka weather in May.
In comparing the weather of September and June, both months boast similar minimum temperatures, with September seeing a slightly higher average temperature of 19°C (66°F) compared to June's 18°C (65°F). However, September is notably wetter, with an average precipitation of 181 mm (7.1 in) across 25 days, compared to June's 118 mm (4.6 in) over 18 days. Additionally, humidity levels are higher in June at 91% versus 85% in September, suggesting that June may feel more oppressive despite similar maximum temperatures of 26°C (79°F) for both months. For a detailed look at June's weather specifically, you can visit Goroka weather in June.
When comparing the weather in September and July, both months exhibit similar temperature ranges, with minimum temperatures around 12°C (54°F) and maximums reaching 26°C (79°F). However, September tends to be slightly warmer on average, at 19°C (66°F) compared to July's average of 18°C (65°F). One notable difference is the increased precipitation in September, where total rainfall reaches 181 mm (7.1 in) over 25 days, compared to July's 111 mm (4.4 in) across 19 days. Additionally, September has a lower humidity level of 85% in comparison to July’s higher humidity of 91%. For more detailed information about the weather specifics in July, visit Goroka weather in July.
In comparing the weather between August and September, we see a slight increase in average temperature, with September averaging 19°C (66°F) compared to August's 18°C (65°F). Both months experience similar maximum temperatures peaking at 26°C (79°F), yet September tends to be a bit cooler in the early morning with a minimum of 12°C (54°F) versus August's 13°C (56°F). Precipitation levels are notably higher in September, with 181 mm (7.1 in) of rain over 25 days, in contrast to August's 141 mm (5.6 in) over 22 days. Additionally, September has slightly lower humidity at 85%, compared to August's 89%. For more detailed information on August weather, you can check Goroka weather in August.
September and October exhibit similar temperature ranges, with average temperatures hovering around 19°C (66°F). However, October sees a slight increase in both minimum and maximum temperatures, with lows of 13°C (55°F) and highs reaching 27°C (82°F). In terms of precipitation, October is slightly wetter, with 206 mm (8.1 in) of rainfall over 26 days compared to September's 181 mm (7.1 in) over 25 days. Humidity also remains consistent, rising marginally from 85% in September to 86% in October. Overall, while both months are characterized by mild temperatures and frequent rain, October tends to be just a bit warmer and wetter. For a detailed overview, you can check the Goroka weather in October.
In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 26°C (79°F), with an average of 19°C (66°F). This month experiences significant precipitation, totaling 181 mm (7.1 in) over 25 days, and humidity levels hover around 85%. In contrast, November sees slightly warmer temperatures, with a minimum of 13°C (55°F) and a maximum of 27°C (81°F), while maintaining a similar average of 19°C (67°F). However, November is wetter, receiving 339 mm (13.3 in) of rain across 28 days, and humidity increases to 89%. For more detailed insights on this month's weather, visit Goroka weather in November.
In September, the weather typically features mild temperatures ranging from a minimum of 12°C (54°F) to a maximum of 26°C (79°F), with an average of 19°C (66°F). The month experiences substantial precipitation of 181 mm (7.1 in) over 25 days, contributing to a humidity level of 85%. In contrast, December sees a slight increase in temperatures, with a minimum of 14°C (57°F) and a maximum of 27°C (81°F), while maintaining the same average of 19°C (67°F). However, December is significantly wetter, recording 417 mm (16.4 in) of rainfall over 29 days and higher humidity at 90%. For more detailed information on December weather, visit Goroka weather in December.
As September rolls into Goroka, it brings a unique blend of cool temperatures and high humidity, making it a distinct contrast to the nearby months. The average temperature hovers at a comfortable 19°C, with daily highs reaching 26°C, while gentle lows dip to around 12°C. However, this month is particularly marked by frequent rainfall, with precipitation occurring on 25 days and accumulating to 181 mm. The persistent 85% humidity can create a lush, vibrant landscape, but also a challenge for those unaccustomed to the damp conditions. For a more detailed look at Goroka's weather patterns, visit Goroka Climate.