September Weather in La Passe, Seychelles

Last updated: August 31, 2025

In La Passe, Seychelles, September ushers in warm and inviting weather, with temperatures ranging from a pleasant 24°C (76°F) at night to a maximum of 28°C (82°F) during the day. The average temperature hovers around 26°C (79°F), creating a comfortable atmosphere for outdoor activities. However, travelers should be prepared for a bit of rain, as 17 days of precipitation accumulate to about 135 mm (5.3 in) throughout the month. With humidity levels at 82%, the tropical environment radiates a lush and vibrant ambiance, ideal for those looking to experience the beauty of this stunning destination.

September Temperature in La Passe

In September, La Passe, Seychelles experiences mild yet pleasant temperatures, making it a delightful time for visitors. The daily minimum dips slightly to 24°C (76°F), while the average hovers around 26°C (79°F), providing a comfortable environment for exploration. Daytime highs reach up to 28°C (82°F), gently transitioning from the cooler August months, marking the onset of slightly warmer days as the region approaches October. As the temperature gradually increases through the months, September maintains a lovely balance, inviting travelers to indulge in the island’s stunning beaches and lush landscapes under the soft, warm sun.

September Weather in La Passe: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in La Passe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Passe, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec808182828280787879808080
Data source: Temperature data for La Passe generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in La Passe

In September, La Passe experiences a moderate precipitation of 135 mm (5.3 in) spread over 17 days. This month marks a slight increase from the drier months of August and July, reflecting a gradual transition towards the wetter period that typically peaks in the following months. Notably, September's rainfall is consistent with the trend of increased precipitation that begins in the later part of the year, as seen in October's predicted total of 141 mm (5.6 in) and November's substantial 226 mm (8.9 in). These patterns indicate not only the lush environment of the Seychelles but also the rhythm of its tropical climate, where rainfall plays a crucial role in nourishing the vibrant flora and fauna.

September Precipitation Trends in La Passe

The chart displays monthly precipitation patterns in La Passe, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In La Passe, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2481426213229010011068135141227264
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in La Passe

In September, La Passe, Seychelles, experiences a humidity level of 82%, continuing the trend observed throughout the year where humidity hovers around the high 70s to low 80s. Following the peak months of August and January, which both showcase humidity levels of 83%, September marks a slight decrease, yet remains representative of the region's tropical climate. As the year progresses into the final quarter, the humidity tends to stabilize, hovering around the low 80s, which reflects the lush, vibrant environment characteristic of this idyllic destination. This consistency not only influences the local ecosystems but also offers travelers a warm, breezy atmosphere year-round.

September Average Humidity in La Passe

This chart illustrates the average monthly humidity levels in La Passe, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in La Passe is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%79%77%76%81%82%83%82%82%81%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in La Passe

September in La Passe, Seychelles, continues the pattern of extreme UV exposure, with a UV Index soaring to 14. This trend, consistent throughout the year, signifies a burn time of just 10 minutes, making sun safety crucial during this month. Following the high indices of the previous months, September maintains an intensity that outdoor enthusiasts should be acutely aware of, especially as the sun's rays remain relentless. As the seasons transition and October approaches, the UV Index stays robust at 14, highlighting the need for protective measures. For those planning to enjoy the sun-drenched beauty of La Passe, it’s essential to stay informed about the UV levels. To learn more, visit La Passe UV Index.

Maximum UV Index Levels in La Passe for September

The chart shows the monthly maximum UV Index (UVI) for La Passe in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in La Passe typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516151311121314141314
Data source: La Passe September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in La Passe

September in La Passe, Seychelles, basks in a delightful 334 hours of sunshine, contributing to the region's reputation as a year-round paradise. This month reflects a gentle decline from the previous summer peak, yet maintains a remarkable brightness that invites outdoor adventures and tranquil beach days. As we look back at the yearly sunshine trend, we can see that while January starts strong with 282 hours, the sunshine steadily increases until it reaches a height of 351 hours in March, creating a vibrant atmosphere. Following this summer peak, the hours gradually level off, showcasing Seychelles' consistent charm with monthly totals that rarely dip below 325 hours. With such a generous amount of sunshine, September offers the perfect blend of warmth and relaxation, providing an ideal backdrop for exploring the island's stunning natural beauty.

Monthly Sunshine Duration in La Passe: September Highlighted

The September sunshine duration represents the total number of hours La Passe experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec282h312h351h337h331h325h330h343h334h350h338h350h
Data source: La Passe September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in La Passe During September

September in La Passe, Seychelles, offers a modest chance of sunshine, with approximately 28% likelihood of clear skies. While this figure is slightly below the seasonal peak observed in March and April, it reflects a noticeable pattern: the transition from the cooler months into the more favorable weather of October and November, which both boast a higher chance of sun at 52% and 59%, respectively. Such trends suggest that while September may not be the sunniest month, it stands as a bridge towards sunnier days, inviting travelers to embrace the charm of the islands even amidst the uncertainty of clouds.

Percentage of Sunny Days in September in La Passe

The chart illustrates the percentage of sunny days in La Passe throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often La Passe experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%30%54%55%28%46%19%19%28%52%59%47%
Data source: La Passe September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in La Passe in September

In September, La Passe, Seychelles, enjoys a delightful return to 12 hours of daylight, aligning with the consistent brightness found in January, February, October, November, and December. This seamless transition highlights a seasonal rhythm where daylight begins to stabilize after months of 11-hour days from April through August. The predictable patterns of light reflect the island's tropical climate, inviting visitors and locals alike to bask in the equatorial sun and indulge in outdoor activities. As autumn approaches in the Northern Hemisphere, La Passe continues to shine brightly, making it an alluring destination for those seeking warmth and natural beauty.

Average Daylight Hours in La Passe for September

The chart illustrates the variation in daylight duration in La Passe throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 19m12h 13m12h 6m11h 59m11h 54m11h 51m11h 52m11h 57m12h 4m12h 11m12h 17m12h 21m
Data source: La Passe daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in La Passe

In September, La Passe, Seychelles welcomes a delightful continuation of its breezy season, with an average wind speed of 7.3 m/s (16 mph). This steady wind is a reassuring reminder of the invigorating gales that begin to build from mid-year, peaking in July with 8.1 m/s (18 mph). As the island transitions through the months, the winds display a noticeable pattern: starting off relatively calm in April and May, they progressively gain strength, culminating in late summer. By October, the winds will taper off to a gentler 4.8 m/s (11 mph), hinting at the tranquil, idyllic weather that defines the Seychelles’ end-of-year charm. This rhythmic dance of the winds not only shapes the climate but also enhances the overall allure of this tropical paradise.

Average September Wind Speed in La Passe

The chart displays monthly wind speed patterns in La Passe, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.35.23.52.24.97.38.17.07.3 m/s4.83.03.3
Data source: La Passe September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in La Passe Compares to Other Months

Weather in La Passe varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in La Passe, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January both feature warm temperatures, with September showcasing a minimum of 24°C (76°F), an average of 26°C (79°F), and a maximum of 28°C (82°F). In contrast, January is slightly warmer, with temperatures ranging from 24°C (76°F) to a maximum of 29°C (85°F) and an average of 27°C (80°F). However, January experiences significantly higher rainfall, with 248 mm (9.8 in) of precipitation over 17 days, compared to September's 135 mm (5.3 in). Humidity levels are quite similar during both months, hovering around 82-83%. For a detailed look at what to expect, check out La Passe weather in January.

In September, the weather is characterized by warm temperatures, with a minimum of 24°C (76°F), an average of 26°C (79°F), and a maximum of 28°C (82°F). This month sees substantial rainfall, accumulating to 135 mm (5.3 in) over about 17 days, coupled with high humidity levels at 82%. Conversely, February offers slightly warmer temperatures, with a minimum of 24°C (76°F), an average of 27°C (81°F), and a maximum of 29°C (85°F). Precipitation in February is slightly higher at 142 mm (5.6 in) over 15 days, and humidity is marginally lower at 81%. For a detailed look at February weather, you can visit La Passe weather in February.

In September, the weather tends to be warm and humid, with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 28°C (82°F). This month experiences significant rainfall, totaling 135 mm (5.3 in) over approximately 17 days, resulting in a high humidity level of 82%. In contrast, March is slightly warmer with average temperatures between 25°C (77°F) and 30°C (85°F). Additionally, it sees less precipitation, with only 62 mm (2.4 in) falling over 10 days and a slightly lower humidity of 79%. For a more detailed look at March weather, you can visit La Passe weather in March.

When comparing September and April weather, both months exhibit warm temperatures, but April tends to be slightly hotter. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 28°C (82°F), with an average of 26°C (79°F). In contrast, April's temperatures show a minimum of 25°C (78°F), an average of 28°C (82°F), and a maximum of 30°C (86°F). Precipitation levels are quite similar in both months, with September experiencing 135 mm (5.3 in) over 17 days, while April records 132 mm (5.2 in) across 21 days. Notably, April has slightly lower humidity at 77% compared to September's 82%. For more detailed weather information, you can check La Passe weather in April.

September and May present distinct weather patterns, each with its own characteristics. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 28°C (82°F), with an average of 26°C (79°F). The month sees significant precipitation, totaling 135 mm (5.3 in) over approximately 17 days, accompanied by high humidity at 82%. In contrast, May brings warmer temperatures, with a minimum of 25°C (78°F) and a maximum reaching 30°C (86°F), averaging 28°C (82°F). However, May is characterized by even heavier rainfall, with 290 mm (11.4 in) over 24 days, and a lower humidity level of 75%. For a detailed look at the weather during this time, you can visit La Passe weather in May.

When comparing the weather in September and June, both months exhibit warm temperatures, with September having a slightly lower average temperature of 26°C (79°F) compared to June's 27°C (80°F). Additionally, June tends to be a bit warmer overall, with a maximum temperature of 29°C (84°F) versus September's 28°C (82°F). However, September experiences more precipitation, with 135 mm (5.3 in) over 17 days, while June sees 100 mm (4.0 in) over 21 days. Humidity levels are quite similar, at 82% for September and 81% for June. For a detailed look at June's weather, you can refer to La Passe weather in June.

When comparing the weather in September and July, we see that both months have similar temperature ranges, with a minimum of around 24°C (75-76°F), an average of 26°C (78-79°F), and a maximum of 28°C (82°F). However, September tends to be slightly wetter, receiving 135 mm (5.3 in) of precipitation over 17 days, compared to July's 110 mm (4.3 in) over 21 days. In terms of humidity, both months maintain a high level at 82%, creating a warm and tropical atmosphere throughout. For more details on July weather conditions, check out La Passe weather in July.

In comparing the weather of September to August, we observe that both months have similar temperature ranges, with September having slightly warmer averages, boasting a minimum of 24°C (76°F), an average of 26°C (79°F), and a maximum of 28°C (82°F), compared to August's 24°C (75°F), 25°C (78°F), and 27°C (80°F). However, September experiences significantly more precipitation, recording 135 mm (5.3 in) over 17 rainy days, while August sees only 68 mm (2.7 in) across 15 days of rain. The humidity remains relatively consistent, with September at 82% and August at 83%. For more detailed information on August weather, you can check La Passe weather in August.

In September, the weather features a minimum temperature of 24°C (76°F) and an average of 26°C (79°F), peaking at 28°C (82°F), alongside significant rainfall totaling 135 mm (5.3 in) over 17 days, with humidity remaining consistently high at 82%. In contrast, October experiences slightly warmer temperatures with a minimum of 25°C (77°F) and an average of 27°C (80°F), maintaining the maximum at 28°C (83°F). Precipitation increases to 141 mm (5.6 in) across 18 days, while humidity remains unchanged at 82%. For more detailed weather insights, you can check out La Passe weather in October.

In September, the weather is warm with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 28°C (82°F). The month experiences a total of 135 mm (5.3 in) of precipitation over 17 days, with humidity levels around 82%. By contrast, November sees slightly higher temperatures, with a minimum of 25°C (77°F), an average of 27°C (80°F), and a maximum of 29°C (84°F). However, it is also wetter, receiving 226 mm (8.9 in) of rain over 19 days, while maintaining a similar humidity level of 81%. For more detailed information, check out La Passe weather in November.

In September, temperatures are warm, with a minimum of 24°C (76°F), an average of 26°C (79°F), and maximums reaching 28°C (82°F). However, precipitation is quite high, totaling 135 mm (5.3 in) over 17 days, resulting in a humid atmosphere with 82% humidity. In contrast, December sees slightly higher temperatures, with a minimum of 25°C (77°F) and an average of 27°C (80°F), peaking at 29°C (85°F). Rainfall significantly increases to 264 mm (10.4 in) spread across 25 days, maintaining the same humidity level of 82%. For more details on December weather, visit La Passe weather in December.

Compare La Passe's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in La Passe

As September unfolds in La Passe, the weather brings a delightful blend of warmth and humidity, making it a unique transitional period compared to the drier months. While the maximum temperatures gently hover around comfortable levels, the high humidity adds a tropical touch, creating a lush atmosphere. With significant rainfall spread over the month, September can be lively, featuring frequent showers that nourish the vibrant landscapes. This combination of warmth and increased precipitation makes September a time of rejuvenation, perfect for experiencing the lush beauty of the Seychelles. For a comprehensive overview of what to expect throughout the year, explore La Passe Climate.