Last updated: October 30, 2025
Experience the tropical charm of Flying Fish Cove, Christmas Island in September, where the temperatures hover between a comfortable 23°C (74°F) and a warm 27°C (81°F), with an average of 26°C (78°F) inviting you to enjoy the outdoors. While the month brings a modest 21 mm (0.8 in) of rainfall over five days, the lush landscapes thrive amidst a 79% humidity level. This idyllic blend of warmth and slight precipitation creates the perfect backdrop for exploring the island’s natural beauty, making September a delightful time for both adventure and relaxation.
In September, Flying Fish Cove on Christmas Island experiences a gentle transition in temperatures, with minimums settling at a comfortable 23°C (74°F) and average highs peaking at around 27°C (81°F). This marks a slight cool-down from the warmer months of July and August, where temperatures were notably higher. As the island approaches the end of winter, the climate remains mild and inviting, making it an ideal time for outdoor adventures and exploring the stunning natural beauty of the region. With consistent warmth throughout the year, September offers a refreshing break while maintaining the tropical allure that Christmas Island is celebrated for.
September in Flying Fish Cove, Christmas Island, marks a significant shift in precipitation patterns as the island transitions from its wettest months to a drier spell. With only 21 mm (0.8 in) of rain and just 5 rainy days, September demonstrates a stark contrast to the heavier downpours seen earlier in the year. As the wet season draws to a close, the diminishing rainfall is indicative of the typical climatological trend, where the island experiences a notable reduction in both precipitation volume and frequency. This decline paves the way for the relatively drier months ahead, setting a tranquil scene for the island as it prepares for the seasonal changes that lie ahead.
In September, Flying Fish Cove experiences a humidity level of 79%, which is consistent with the slightly lower humidity observed in the previous month, August. This trend of reduced humidity during late winter and early spring is reflective of the region's transitional climate. As the year progresses into October, humidity is expected to rise again to 81%, aligning with the overall pattern where the humidity fluctuates between 77% and 81% throughout the year. Overall, September serves as a comfortable midpoint before the humidity escalates again, making it an ideal time for visitors to enjoy the island's natural beauty.
In September, Flying Fish Cove experiences a UV Index of 15, placing it firmly in the extreme exposure category, with a burn time of just 10 minutes. This trend of high UV levels continues from earlier months, showcasing a consistent environment where sun protection is crucial year-round. Notably, January through April see similarly extreme values, typically hovering around 15 to 17, before dipping slightly in May and June. However, as summer approaches, the UV Index rebounds sharply, emphasizing that even in September, caution is essential for outdoor activities. For those planning to soak up the sun, remember to check the forecast and stay protected. For more detailed information, visit Flying Fish Cove UV Index.
UV Risk Categories
September brings a delightful continuation of the bright, sun-drenched days experienced throughout the year in Flying Fish Cove, Christmas Island. With 311 hours of sunshine, this month maintains a charming balance, closely mirroring the previous month’s splendid weather. The trend throughout the year showcases an impressive high in July and August, both basking in 326 hours and 325 hours of sunlight, making them peak months for sun-seekers. As we transition into autumn, the sunshine gradually dips but sustains a remarkable consistency, providing ample opportunities for exploration and relaxation under the golden rays. With October promising to return to 323 hours, it’s clear that the sunny allure of Flying Fish Cove continues to enchant visitors well into the year's final stretch.
As September rolls around in Flying Fish Cove, the chance of enjoying sunny weather stands at a moderate 42%, indicating a pleasant transition from the dry season's peak. This percentage reflects a slight dip from the higher values seen in mid-year, such as 49% in July and 51% in May, revealing a pattern where late summer and early autumn enjoy more sun. Comparatively, the sun's presence decreases significantly as the year progresses, with chances dropping to 34% in October and a meager 12% in November. Thus, September offers a window of opportunity to bask in the sun before the wetter months set in, making it a delightful time for outdoor activities on the island.
In September, Flying Fish Cove basks in a delightful return to 12 hours of daylight, mirroring the consistent brightness experienced from January to March. This uptick in sunlight signals a transition from the shorter days of the previous months, where daylight dipped to 11 hours, creating a predictable rhythm that characterizes the island's climate. As the year progresses, the shift back to longer days sets the tone for the onset of more vibrant activities, allowing residents and nature alike to thrive under the sun's nurturing glow. With October and November maintaining this generous daylight, September stands as a refreshing reminder of the island's unique seasonal patterns.
In September, Flying Fish Cove on Christmas Island experiences a noticeable uptick in wind speeds, averaging 8.8 m/s (20 mph), making it one of the breeziest months of the year. This surge follows the gradual increase observed from the cooler winter months, where winds reached 8.5 m/s (19 mph) in August. The shift towards stronger winds in September sets the stage for the transition into the more turbulent spring months, suggesting a dynamic change in the island's coastal climate. Following this peak, the winds begin to taper off as the year moves towards its end, indicating a consistent seasonal pattern that residents and visitors have come to anticipate.
Weather in Flying Fish Cove varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Flying Fish Cove, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather typically features mild temperatures, with a minimum of 23°C (74°F) and a comfortable average of 26°C (78°F). With only 21 mm (0.8 in) of precipitation over about 5 days and humidity at 79%, it offers a pleasant environment for outdoor activities. In contrast, January sees slightly warmer conditions with a minimum of 25°C (77°F) and a higher average of 27°C (81°F), peaking at 29°C (85°F). However, it experiences significantly more rainfall, with 252 mm (9.9 in) spread over approximately 20 days, while humidity remains comparable at 78%. For those interested in detailed weather insights, check out Flying Fish Cove weather in January.
When comparing the weather in September and February, we see notable differences in temperature and precipitation. September enjoys milder temperatures, with a minimum of 23°C (74°F) and a maximum of 27°C (81°F), while February is warmer, with temperatures ranging from a minimum of 25°C (77°F) to a peak of 29°C (85°F). However, February is marked by significantly higher precipitation, totaling 160 mm (6.3 in) over 19 days, compared to September's 21 mm (0.8 in) over just 5 days. Humidity levels are fairly consistent, hovering around 79% in September and rising slightly to 81% in February. For more insights into February weather, you can check out Flying Fish Cove weather in February.
In September, the weather is relatively mild, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 27°C (81°F). The month experiences modest rainfall, with only 21 mm (0.8 in) of precipitation spread over about 5 days, and humidity sits at 79%. In contrast, March is warmer, with temperatures starting at a minimum of 25°C (77°F) and reaching a maximum of 29°C (85°F). However, it is significantly wetter, receiving 254 mm (10.0 in) of rain over 24 days, and maintaining a slightly higher humidity level of 81%. For more details, you can check Flying Fish Cove weather in March.
When comparing the weather in September and April, September tends to be milder with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 27°C (81°F). In contrast, April features warmer conditions, with temperatures averaging from a minimum of 25°C (78°F) to a maximum of 30°C (86°F). Moreover, September experiences significantly less precipitation, with only 21 mm (0.8 in) over 5 days, while April has a much wetter climate, receiving 174 mm (6.9 in) across 20 days. Both months maintain a humidity level of 79%, but the increase in rainfall during April makes it feel more humid overall. For more detailed information, you can check Flying Fish Cove weather in April.
In September, the weather is generally warm with temperatures ranging from a minimum of 23°C (74°F) to an average of 26°C (78°F), peaking at a maximum of 27°C (81°F). The month sees relatively low precipitation at 21 mm (0.8 in) over about 5 days, with humidity levels at 79%. In contrast, May is slightly warmer and wetter, with temperatures starting at a minimum of 25°C (78°F) and averaging 28°C (82°F) before reaching a maximum of 29°C (85°F). May experiences significantly higher rainfall of 86 mm (3.4 in) over 18 days, coupled with a humidity level of 80%. For more detailed insights on May weather, you can check Flying Fish Cove weather in May.
In September, the weather is characterized by slightly cooler temperatures, with a minimum of 23°C (74°F) and an average high of 27°C (81°F). In contrast, June tends to be warmer, featuring an average temperature that peaks at 28°C (83°F) and a minimum of 25°C (77°F). Precipitation also varies significantly; September experiences relatively low rainfall of 21 mm (0.8 in) over just 5 days, while June sees much higher precipitation totaling 66 mm (2.6 in) over 12 days. Humidity levels remain fairly consistent, with September at 79% compared to June's 80%. For a more detailed look at the weather in June, you can visit Flying Fish Cove weather in June.
In comparing the weather of September and July, both months exhibit warm temperatures, but there are subtle differences. September features a minimum temperature of 23°C (74°F), with an average of 26°C (78°F) and a maximum of 27°C (81°F), while July sees slightly higher minima at 24°C (75°F) and peaks at 28°C (83°F). July also tends to be wetter, with precipitation measuring 35 mm (1.4 in) over 11 days, compared to September’s 21 mm (0.8 in) over just 5 days. Humidity remains relatively high in both months, at 79% for September and 80% for July. For a more detailed look at July's weather, you can check out Flying Fish Cove weather in July.
In comparing the weather between August and September, we see that both months maintain a similar range of temperatures. September has a minimum temperature of 23°C (74°F) and an average of 26°C (78°F), slightly warmer on average than August’s 25°C (78°F), while both months reach a maximum of 27°C (81°F). However, September experiences less precipitation, with only 21 mm (0.8 in) over 5 days, compared to August’s 41 mm (1.6 in) over 10 days. The humidity remains steady at 79% for both months, contributing to a consistently warm and humid atmosphere. For more details on August weather, you can visit Flying Fish Cove weather in August.
In comparing the weather of September and October, we observe a slight increase in temperatures, with October's minimum reaching 24°C (76°F) compared to September's 23°C (74°F). Both months have similar average temperatures of 26°C (79°F) and maximums of 27°C (81°F), but October experiences a bit more precipitation, totaling 27 mm (1.0 in) over 6 days, compared to September's 21 mm (0.8 in) over 5 days. Additionally, humidity rises slightly from 79% in September to 81% in October, making the latter month feel a touch more muggy. For more detailed weather insights, visit Flying Fish Cove weather in October.
In comparing the weather between September and November, it’s evident that November experiences slightly warmer overall temperatures, with minimums rising from 23°C (74°F) in September to 25°C (77°F). The average temperature remains consistent at around 26°C (78°F to 80°F). However, November sees a significant increase in precipitation, totaling 154 mm (6.1 in) over 11 days, compared to just 21 mm (0.8 in) over 5 days in September. The humidity levels are comparable, with September average at 79% and November at 80%. For more detailed weather information, you can check Flying Fish Cove weather in November.
In September, the weather is warm and relatively dry, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 27°C (81°F) and only 21 mm of precipitation over about five days. In contrast, December experiences slightly warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 29°C (84°F), but it also sees a significant increase in rainfall, totaling 193 mm across 14 days. Despite the higher humidity in September at 79%, December maintains a comfortable level at 77%. For more insights into the weather during December, you can check out Flying Fish Cove weather in December.
As September unfolds in Flying Fish Cove, visitors will find the weather to be pleasantly warm, with temperatures comfortably hovering around the high twenties. The month marks a transition, characterized by reduced rainfall compared to the more humid and wet months preceding it, yet still brings occasional light showers. Overall, it's a time when the humidity is still palpable, but the mix of warm temperatures and lower precipitation makes for an inviting atmosphere for outdoor activities. For those keen on understanding the nuances of this beautiful region's weather patterns, more detailed insights are available at Flying Fish Cove Climate.