Last updated: August 31, 2025
In September, Neiafu, Tonga experiences a pleasant tropical climate characterized by a maximum temperature of 27°C (80°F) and an average of 25°C (76°F), ensuring warm days perfect for exploring the stunning natural beauty of the region. The nights are comfortably cool with a minimum temperature of 21°C (71°F). However, humidity levels sit at a high 81%, making it feel a bit muggy at times. Rainfall is also prominent this month, with 97 mm (3.8 in) of precipitation spread over 12 days, adding a refreshing touch to the vibrant landscape. Travelers should prepare for some wet weather but can still find plenty of opportunities to enjoy the island's charm amidst the seasonal showers.
In September, Neiafu, Tonga, embraces the tail end of winter with mild temperatures that beckon visitors. The minimum temperature sits comfortably at 21°C (71°F), while the average reflects a pleasant 25°C (76°F), making it an ideal time for outdoor exploration. With a maximum of 27°C (80°F), the days are warm yet not oppressively hot, signifying a gradual transition towards the warmer months ahead. As the humidity begins to rise, September acts as a bridge, hinting at the summer warmth to follow while still retaining the comfortable, cooler air of late winter. This makes it a fabulous month for soaking in the breathtaking natural beauty and vibrant culture of Tonga.
In September, Neiafu experiences a moderate climate with precipitation amounting to 97 mm (3.8 in) over 12 days of rainfall. This marks a continuation of the dry season, following the wetter months of January and February, while showing a notable decline from the heavier downpours earlier in the year. The pattern reveals that as the year progresses towards the end of the dry season, rainfall amounts decrease, peaking in February and steadily tapering off as the local climate shifts. Despite the limited rain, September's precipitation is still significant compared to the lighter months of June and July, underscoring Neiafu's variable weather dynamics that define its unique tropical environment.
In September, Neiafu, Tonga experiences a humidity level of 81%, maintaining a comfortable pattern consistent with the preceding months. Throughout the year, humidity in this tropical paradise typically hovers around the 81-84% range, with peaks in late autumn and early winter. While January and February start the year with a slightly higher humidity of 82%, a subtle drop is observed during the mid-year months, with June and July dipping to 77% and 78% respectively. However, as the transition into spring approaches, humidity begins to rise again, culminating in an 84% peak by October. This seasonal rhythm in humidity creates a lush and vibrant atmosphere, making Neiafu a truly enchanting destination year-round.
In September, Neiafu experiences a UV Index of 12, placing it in the extreme exposure category with a burn time of just 10 minutes. This reflects a consistent trend throughout the year, where the UV Index remains particularly high from January to April, with values peaking at 16 in both January and February. After a slight dip in the middle months, the UV levels climb back, indicating that sun protection is crucial for anyone outdoors. As we move towards the end of the year, October and November also highlight a return to high UV levels, making awareness and precautions vital in this tropical paradise. For more details on Neiafu's UV Index, visit Neiafu UV Index.
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September in Neiafu, Tonga, welcomes a splendid 272 hours of sunshine, marking a delightful transition into the latter part of the year. This month continues the upward trend of increasing daylight, following August's generous 259 hours. As the sun shines brighter, the lush landscapes come alive, inviting locals and visitors alike to bask in the warmth of the season. The progression from the cooler winter months reflects a steady ascent in daylight, peaking at 303 hours in December. With each passing month, the growing sunlight not only enhances the natural beauty of Neiafu but also fosters an inviting atmosphere perfect for exploration and relaxation. As September unfolds, it promises a vibrant backdrop to unforgettable moments in this stunning tropical paradise.
In Neiafu, Tonga, September marks a delightful transition into sunnier skies, boasting a 54% chance of sunny weather—the highest of the year. This pattern reveals a distinct upward trend in sunshine as the year progresses, starting with a modest 15% in January and steadily rising to the peak in September. After this sunny high, the likelihood of clear days remains relatively strong through the fall months, with October and November still enjoying over 44% sunshine. As summer approaches, visitors can expect to bask in brightness against the backdrop of Tonga's stunning scenery, making September an ideal time for sun-seekers and outdoor enthusiasts alike.
As the seasons shift in Neiafu, Tonga, September brings a consistent daylight duration of 11 hours, mirroring the trend set by the preceding months from June to August. This period of stable sunlight marks the waning of longer days, with daylight gradually shortening since the peak of 13 hours in January. This pattern reflects the natural cycle of the year, as October promises a slight increase, welcoming back the longer days. As such, September serves as a transitional month, bridging the gap between the elongated summer days and the onset of new warmth and light in the months ahead.
In September, Neiafu, Tonga experiences a gentle breeze with an average wind speed of 6.1 m/s (14 mph), mirroring the tranquil conditions of January. This month marks a subtle transition as wind speeds start to pick up again in the following months, hinting at the upcoming shift towards stronger breezes typical for October and beyond. The early spring winds are notably milder compared to the vibrant gusts of the mid-year, yet they provide a perfect backdrop for outdoor activities and exploration. As the year unfolds, September invites both locals and visitors to enjoy the serene atmosphere before the winds pick up again, fostering a sense of calm amid the island's natural beauty.
Weather in Neiafu varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Neiafu, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in September and January, we see noteworthy differences in both temperature and precipitation. September experiences milder temperatures, with an average of 25°C (76°F), while January sees a slight increase, averaging 27°C (81°F). Precipitation levels also vary significantly; September receives about 97 mm (3.8 in) over 12 days, whereas January is much wetter, accumulating 316 mm (12.4 in) across 17 days. Both months have high humidity, with September at 81% and January slightly higher at 82%. For more detailed information, you can check Neiafu weather in January.
September and February present distinct weather patterns, particularly in terms of temperature and precipitation. In September, temperatures range from a minimum of 21°C (71°F) to a maximum of 27°C (80°F) with an average of 25°C (76°F). The month experiences 97 mm (3.8 in) of precipitation over approximately 12 days, accompanied by a humidity level of 81%. In contrast, February boasts warmer temperatures with a minimum of 25°C (77°F) and a maximum of 29°C (85°F), averaging 27°C (81°F). However, it is also considerably wetter, with 401 mm (15.8 in) of rainfall spread over 21 days, while maintaining a similar humidity level of 82%. For a more detailed look at February weather in Neiafu, you can visit Neiafu weather in February.
September and March exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 21°C (71°F) to a maximum of 27°C (80°F), with an average of 25°C (76°F). The month sees 97 mm (3.8 in) of precipitation spread over 12 days, along with a consistent humidity level of 81%. In contrast, March features warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 29°C (84°F), averaging 27°C (81°F). However, it also experiences increased rainfall, totaling 183 mm (7.2 in) over 22 days, while maintaining the same humidity of 81%. For a detailed breakdown of March weather, you can visit Neiafu weather in March.
In comparing the weather in September and April, we notice distinct differences. September offers milder temperatures, with averages around 25°C (76°F) and a maximum of 27°C (80°F), while April is slightly warmer, showcasing an average of 27°C (80°F) and reaching up to 29°C (84°F). However, April also experiences significantly higher precipitation, totaling 229 mm (9.0 in) over 18 days, compared to September’s 97 mm (3.8 in) over just 12 days. Both months share the same humidity level of 81%, creating a consistently humid atmosphere. For more detailed insights on April's conditions, you can visit Neiafu weather in April.
In comparing the weather between September and May, both months exhibit warm temperatures but slight variations. September tends to be slightly cooler, with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 27°C (80°F), while May is just a bit warmer with a minimum of 22°C (72°F) and a maximum reaching 28°C (83°F). Precipitation also differs significantly; September experiences 97 mm (3.8 in) over 12 days, whereas May sees higher rainfall at 210 mm (8.3 in) across 18 days. Despite the increase in rainfall, humidity levels remain quite similar, with September at 81% and May at 82%. For a detailed look at May weather, visit Neiafu weather in May.
When comparing the weather in September and June, both months exhibit similar average temperatures, hovering around 25°C (76°F). September's minimum temperature is slightly lower at 21°C (71°F) compared to June's 22°C (73°F). Interestingly, both months reach a maximum of 27°C (81°F). However, September experiences a bit more rainfall, with 97 mm (3.8 in) over 12 days, while June has 91 mm (3.6 in) over 15 days. Humidity levels are also higher in September at 81%, compared to June's 77%. For a more detailed look, you can check the Neiafu weather in June.
In comparing the weather between September and July, both months showcase a minimum temperature of around 21°C (70-71°F), while July experiences a slightly cooler average temperature of 24°C (76°F), compared to September’s average of 25°C (76°F). Maximum temperatures remain consistent, peaking at 27°C (81°F) in both months. However, September tends to be wetter, with precipitation totaling 97 mm (3.8 in) over 12 days, slightly less than July's 104 mm (4.1 in) over 14 days. Humidity levels are also relatively high, with September at 81% and July at 78%. For more detailed insights, you can visit Neiafu weather in July.
In comparing the weather between August and September, we observe that both months maintain a similar range of temperatures, with September experiencing a slightly higher average temperature of 25°C (76°F) compared to August's 24°C (76°F). Both months also share the same maximum temperature of 27°C (80°F) and a minimum of 21°C (71°F). However, September is characterized by an increase in precipitation, totaling 97 mm (3.8 in) over 12 days, while August sees slightly more rainfall at 110 mm (4.3 in) across the same number of days. Additionally, September has a slightly higher humidity level at 81%, compared to August's 79%. For more detailed information about the weather in August, visit Neiafu weather in August.
In comparing the weather of September and October, we see that both months share similar average temperatures, hovering around 25°C (77°F). However, October experiences slightly warmer minimum temperatures, averaging 22°C (72°F) compared to September's 21°C (71°F). Notably, October has significantly higher rainfall, with a total of 177 mm (7.0 in) over 20 days, compared to September's 97 mm (3.8 in) over just 12 days. Additionally, humidity levels rise from 81% in September to 84% in October, contributing to a more humid feel as the month progresses. For more detailed information, you can check Neiafu weather in October.
When comparing the weather in September and November, we observe that both months maintain a warm temperature range, with September seeing a minimum of 21°C (71°F) and a maximum of 27°C (80°F), while November has slightly higher temperatures, with a minimum of 22°C (72°F) and a maximum of 28°C (82°F). September experiences around 97 mm (3.8 in) of precipitation over 12 days, whereas November has increased rainfall at 115 mm (4.5 in) spread across 15 days. Additionally, humidity levels rise slightly from 81% in September to 83% in November, indicating a marginal increase in moisture in the air. For more specific insights, you can check Neiafu weather in November.
In September, the weather typically features a minimum temperature of 21°C (71°F) and averages around 25°C (76°F), peaking at a maximum of 27°C (80°F). The month tends to be moderately wet, with around 97 mm (3.8 in) of rainfall spread over 12 days and humidity levels sitting at 81%. In contrast, December records slightly warmer temperatures, starting at a minimum of 23°C (73°F) and averaging 26°C (79°F) with maximums reaching 28°C (83°F). The precipitation in December is significantly higher, totaling 204 mm (8.0 in) across 22 days, and the humidity increases slightly to 84%. For a detailed insight into the weather in December, you can visit Neiafu weather in December.
September in Neiafu marks the transition into the warmer months, offering a delightful mix of pleasant temperatures and increased humidity. With an average temperature hovering around 25°C (76°F) and maximums peaking at 27°C (80°F), it's noticeably warmer compared to the cooler winter months. However, this month also sees a rise in precipitation, with 97 mm of rainfall spread over 12 days, making it more humid than preceding months. The lush scenery is invigorated by this rain, creating a vibrant backdrop for visitors. For those looking to explore the unique weather patterns of Neiafu throughout the year, detailed insights can be found at Neiafu Climate.