Last updated: August 31, 2025
September in Gizo, Solomon Islands offers a warm tropical climate, with temperatures peaking at a pleasant 29°C (84°F) and averaging around 26°C (80°F). The month is characterized by a high humidity level of 83%, creating a lush, vibrant atmosphere. Visitors can expect significant rainfall, with 395 mm (15.6 in) of precipitation spread over 28 days, making it one of the wetter months. Despite the frequent showers, the warm temperatures ensure that Gizo remains a captivating destination for those seeking adventure and natural beauty amidst the rich, green landscapes.
In September, Gizo, Solomon Islands, experiences a slight shift in temperatures, with minimums holding steady at 25°C (77°F) and maximums nudging up to 29°C (84°F). The overall average temperature cools slightly to 26°C (80°F), reflecting a subtle transition as the region approaches the end of its dry season. This month maintains a comfortable warmth, with the temperature trends showing a relaxed stability from the previous months, inviting visitors to enjoy the tropical charm without the extreme heat. As the year progresses, Gizo's climate continues to offer a delightful blend of balmy days and mild nights, perfect for exploring its stunning landscapes.
September in Gizo, Solomon Islands, marks a noticeable transition in the region's precipitation patterns, with rainfall reaching 395 mm (15.6 in) over 28 days. This amount places September among the wetter months, continuing the trend established in the previous months of the year. Following a notably heavy February with 422 mm, the precipitation levels stabilize, hovering around the mid-300s until reaching this peak. As the wet season progresses toward the end of the year, September's rainfall serves as a harbinger of the increased precipitation typical in October and beyond, reflecting Gizo's tropical climate. Despite the deluge, the consistent number of rain days indicates that these showers are often light and brief, allowing the lush landscapes to flourish without overwhelming the community.
In September, Gizo experiences a notable consistency in its humidity levels, maintaining a steady 83%. As the year progresses, there is a trend of increasing humidity from June onwards, with July and August holding steady at the same level. This pattern peaks in October at 84%, suggesting that Gizo transitions into its wet season, with humid air blanketing the region. Overall, the data reveals a tropical climate where humidity tends to rise gradually, especially towards the latter half of the year, creating a warm and moist atmosphere that characterizes the Solomon Islands.
As September rolls in, Gizo, Solomon Islands, experiences a UV Index of 15, maintaining its status in the extreme exposure category, which means that even brief sun exposure can lead to skin burn in just 10 minutes. This marks a continuation of the year’s trend, where the UV Index often hovers between 11 and 16, reflecting a consistent and strong presence of sunlight. Even in the transition from August, which had a slightly lower index of 13, September reaffirms the necessity for sun protection. With high UV levels persisting throughout the year, residents and visitors should remain vigilant about sun safety practices. For more detailed information on UV levels, visit Gizo UV Index.
UV Risk Categories
September brings 260 hours of glorious sunshine to Gizo, Solomon Islands, continuing the region's trend of abundant daylight as it transitions from the cooler winter months. Following the peak of August, which boasted 265 hours, September maintains a robust level of brightness, just shy of the summer highs. The monthly sunshine gradually increases toward the end of the year, with October set to shine even brighter at 290 hours, heralding the arrival of warmer weather. This consistent sunshine not only highlights Gizo’s tropical charm but also sets the stage for an inviting atmosphere, perfect for outdoor adventures and relaxation by the stunning coastline.
In Gizo, Solomon Islands, September marks a transitional period in weather patterns, with a 17% chance of sunny days, placing it among the lower probabilities for sunshine throughout the year. As the dry season wanes, this month presents a charming, albeit less sunny, atmosphere compared to the sunnier months of July (37%) and August (32%). Interestingly, the likelihood of clear skies sees a resurgence as the year progresses, with October and November promising higher sunshine chances at 36% and 34%, respectively. Overall, September serves as a reminder of the region's dynamic climate, where brief sunny spells can still delight amidst the usual mix of tropical conditions.
In Gizo, Solomon Islands, September marks a delightful transition as daylight once again stretches to 12 hours, mirroring the consistent lengths experienced in January and February. This signifies a return to longer days following a brief dip during the cooler months of April to August, when daylight was capped at 11 hours. As the island shifts into October and November, residents can anticipate a continuation of this rejuvenated daylight, maintaining that 12-hour rhythm. This seasonal dance between longer and shorter days paints a vivid tapestry of time in Gizo, enriched by the lush beauty of its environment.
In September, Gizo, Solomon Islands experiences an invigorating shift in wind patterns, with average wind speeds reaching 5.1 m/s (11 mph). This brings a refreshing breeze that is slightly lower than the peak of August, which enjoyed the highest gusts of the year at 5.2 m/s (12 mph). As the dry season begins to wane, the winds carry a sense of change, subtly echoing the seasonal transition. Following the lively summer months, September maintains a robust breeze that not only enhances the island's picturesque beauty but also signals the onset of more moderate conditions as the year begins to cool. This gradual decline in wind speed leading into October, which drops to 3.4 m/s (8 mph), highlights September as a pivotal point in Gizo’s climatic rhythm, blending the fading energy of summer with the calm that autumn promises.
Weather in Gizo varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Gizo, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather typically features warm temperatures with a minimum of 25°C (77°F) and an average of 26°C (80°F), peaking at a maximum of 29°C (84°F). The month is characterized by high precipitation, averaging 395 mm (15.6 in) over 28 days, coupled with a humidity level of 83%. In contrast, January sees slightly higher average temperatures, with a minimum of 25°C (78°F), an average of 27°C (81°F), and a maximum of 30°C (85°F). However, it experiences less rainfall, totaling 340 mm (13.4 in) across 22 days, and the humidity decreases to 77%. For a detailed look at the weather conditions in January, you can check out Gizo weather in January.
When comparing the weather in September and February, we see that both months experience warm temperatures, with February being slightly warmer on average. September has a minimum temperature of 25°C and an average of 26°C, while February’s average reaches 27°C, peaking at 30°C. Precipitation is relatively high in both months; September receives about 395 mm over 28 days, whereas February sees 422 mm across 27 days. Humidity levels in September are notably higher at 83%, while February experiences a more comfortable 76%. For more detailed information about February weather, visit Gizo weather in February.
September and March exhibit similar warm temperatures, with September having a minimum of 25°C (77°F) and an average of 26°C (80°F), while March boasts a slightly higher average of 27°C (81°F) and a maximum of 30°C (86°F). Both months experience significant precipitation, with September recording 395 mm (15.6 in) over 28 days, compared to March's 359 mm (14.1 in) over 29 days. Notably, September has higher humidity levels at 83%, while March's humidity is more comfortable at 76%. For more details on the weather in March, you can check out Gizo weather in March.
In comparing the weather between September and April, we find that both months experience similar temperatures, with September showing a minimum of 25°C and an average of 26°C, while April has a slightly higher average of 27°C. Although both months have maximum temperatures that reach around 29°C, September tends to be characterized by higher humidity levels at 83%, compared to April's 76%. Precipitation is also notable in both months, with September receiving 395 mm over 28 days and April with a marginally higher total of 404 mm over 29 days. For a more detailed overview of weather specifics in April, check out Gizo weather in April.
In comparing the weather between September and May, we find some notable similarities and differences. Both months feature warm temperatures, with September recording a minimum of 25°C (77°F), an average of 26°C (80°F), and a maximum of 29°C (84°F), while May sees slightly higher readings, with an average of 27°C (81°F) and a maximum of 29°C (85°F). Rainfall patterns also differ; September experiences more precipitation at 395 mm (15.6 in) over 28 days compared to May's 353 mm (13.9 in) over the same number of days. Furthermore, humidity levels are higher in September at 83%, while May enjoys a slightly more comfortable 76%. For more detailed information about the weather conditions in May, you can check out Gizo weather in May.
In comparing the weather of September and June, both months feature similar temperature ranges with minimums around 25°C (77°F) and maximums reaching up to 29°C (84°F). However, September experiences a slightly higher average temperature of 26°C (80°F) compared to June's average of 27°C (80°F). Notably, September also has increased precipitation, totaling 395 mm (15.6 in) over 28 days, whereas June sees a bit less at 346 mm (13.6 in) over the same number of days. Humidity levels are marginally higher in September at 83%, compared to June’s 80%. For more detailed weather information on June, you can check this link: Gizo weather in June.
In comparing the weather of September and July, both months exhibit similar temperature ranges, with September showcasing a minimum of 25°C (77°F), an average of 26°C (80°F), and a maximum of 29°C (84°F), while July has a slightly lower minimum of 24°C (75°F) and an average of 27°C (80°F) with the same maximum. Precipitation levels are quite comparable, with September experiencing 395 mm (15.6 in) over 28 days, slightly higher than July's 385 mm (15.1 in) over 29 days. Notably, humidity remains constant at 83% for both months, contributing to a tropical feel. For more specific information about July's weather, you can visit Gizo weather in July.
In comparing the weather between August and September, we see only slight variations in temperature. Both months have a minimum temperature of 25°C (77°F) and an average of 26°C (80°F), but September experiences a marginally higher maximum temperature of 29°C (84°F) compared to August's 28°C (83°F). However, September is notably wetter, with precipitation reaching 395 mm (15.6 in) over 28 days, compared to August's 342 mm (13.5 in) during the same number of days. Humidity remains consistent at 83% for both months, contributing to the overall tropical feel of the region. For more details about August weather, you can visit Gizo weather in August.
In September, the weather tends to be slightly cooler, with average temperatures fluctuating between a minimum of 25°C (77°F) and a maximum of 29°C (84°F). The month sees considerable rainfall, totaling 395 mm (15.6 in) over 28 days, while humidity levels hover around 83%. In contrast, October experiences a marginal rise in average temperature to 27°C (80°F), with maximum temperatures reaching up to 29°C (85°F). Rainfall decreases to 311 mm (12.2 in) over 27 days, and humidity remains relatively stable at 84%. For more detailed information about October conditions, you can visit Gizo weather in October.
In September, the weather features warm temperatures ranging from a minimum of 25°C (77°F) to a maximum of 29°C (84°F), with an average temperature of 26°C (80°F). However, September is marked by significant precipitation, totaling 395 mm (15.6 in) over 28 days, and high humidity at 83%. In contrast, November sees slightly cooler conditions, with temperatures also ranging from 24°C (76°F) to 29°C (85°F) and an average temperature of 27°C (81°F). While November experiences less rainfall—345 mm (13.6 in) over 27 days—it maintains a relatively high humidity level of 81%. For a closer look at Gizo's weather in November, visit Gizo weather in November.
In September, the weather in Gizo is characterized by warm temperatures, with a minimum of 25°C (77°F) and an average of 26°C (80°F), peaking at a maximum of 29°C (84°F). The month sees significant rainfall, totaling 395 mm (15.6 in) over 28 days, contributing to a high humidity level of 83%.
In contrast, December offers slightly elevated temperatures, with a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 29°C (85°F). Precipitation increases marginally to 409 mm (16.1 in) also over 28 days, but humidity decreases to 79%. This comparison highlights that while both months share similar warmth, December tends to be a bit wetter yet slightly less humid. For more details about December weather in Gizo, visit Gizo weather in December.
As September rolls into Gizo, it marks a unique transition in the weather landscape of the region. With its pleasantly warm average temperatures hovering around 26°C (80°F), this month stands out with a striking blend of high humidity and considerable precipitation. Unlike the drier months that precede it, September tends to greet residents and visitors with almost daily rain, contributing to a lush, vibrant atmosphere. This close-knit relationship between warmth and moisture creates a tropical haven, perfect for those who enjoy the vibrancy that the rain brings to Gizo's natural beauty. For a deeper dive into Gizo's weather patterns throughout the year, check out Gizo Climate.