Last updated: March 19, 2025
September in Galle, Sri Lanka is characterized by a warm tropical climate, with maximum temperatures reaching 29°C (84°F) and an average of 27°C (80°F), perfect for embracing the coastal charm. Humidity levels hover around 82%, creating a sultry atmosphere that enhances the lush landscapes. However, prepare for frequent downpours, as the region sees a substantial precipitation of 235 mm (9.3 in) over roughly 27 rainy days. This blend of warmth and wetness not only contributes to Galle's rich biodiversity but also paints a vibrant picture of life in this enchanting coastal city.
In Galle, Sri Lanka, September showcases a delightful blend of warmth and mildness, with average temperatures lingering around a pleasant 27°C (80°F). The month marks a continuation of summer's embrace, as daily highs average 29°C (84°F), making it a great time for beachgoers to soak up the sun. The nights are comfortably cool, with minimum temperatures around 25°C (77°F). As the transition to October begins, September's weather remains consistent with the surrounding months, providing an inviting atmosphere perfect for exploring Galle's stunning coastal beauty and rich historical tapestry. Overall, the month offers an enticing climate, ideal for both relaxation and adventure.
In September, Galle experiences significant rainfall, with an average precipitation of 235 mm (9.3 in) falling over 27 days. This level of rainfall continues the trend of the southwest monsoon, marking September as one of the wetter months of the year. The precipitation starts to taper off slightly from the peak of May and June, which see an impressive 289 mm and 237 mm, respectively. As the month progresses towards October, rainfall increases again, hinting at the transition into the post-monsoon period. This seasonal rhythm not only influences the lush landscapes of Sri Lanka but also shapes local agricultural practices and daily life, making it a vital month in the region’s climate cycle.
In September, Galle, Sri Lanka experiences a humidity level of 82%, maintaining a trend of high moisture throughout the year. This month fits snugly into the pattern established from June to October, where humidity hovers consistently above 80%. Following the relative calm of the earlier months, where humidity gradually decreases from January’s peak of 80% down to 76% in May, September marks a return to higher levels, reinforcing the region's tropical climate. As the year progresses towards the end, humidity tends to rise again, suggesting that Galle remains enveloped in a warm, humid atmosphere as it shifts into the monsoon season.
In September, Galle, Sri Lanka, experiences a UV Index of 14, classifying it in the extreme exposure category with a burn time of just 10 minutes. This trend of high UV levels stretches across the year, with similar indices observed in the preceding months of August and July. The consistent extreme UV exposure underlines the importance of sun protection for locals and visitors alike. Travelers planning to enjoy the coastal beauty of Galle should remain vigilant against the sun’s rays and adopt safety measures. For more detailed information on UV levels throughout the month, visit Galle UV Index.
UV Risk Categories
September in Galle, Sri Lanka, witnesses a delightful blend of sun-soaked days, offering an impressive 317 hours of sunshine. This month shines brightly in the annual pattern of sunlight across the region, marking a slight dip from the peak summer months of July and August, which flaunt their sunniest days with 339 and 336 hours, respectively. Notably, September retains a comfortable warmth and vibrant atmosphere, contributing to the seamless transition into the cooler months ahead. As the sun's embrace lingers, visitors can still enjoy outdoor adventures and breathtaking sunsets, making it an enchanting time to experience Galle's charm before the year draws to a close.
In September, Galle, Sri Lanka, experiences a moderate 23% chance of sunny weather, marking a slight increase from the significantly gloomy August, which saw just 8% sunshine. This month sits in the middle of a transition, as sunny prospects begin to rebound following the rainy season. The odds are better than the drier months in mid-year, such as July (16%) and June (24%), yet they remain lower than the strikingly bright December, which boasts a 49% chance of sun. Overall, September's weather hints at a possibility of bright spells amid the lingering cloudiness, making it a month of unexpected sunshine amidst the tropical rhythms of Galle.
In September, the charming coastal city of Galle, Sri Lanka, enjoys a consistent 12 hours of daylight, maintaining the balanced trend established over the previous months. This period of extended daylight showcases Galle's vibrant scenery, inviting both locals and tourists to explore its stunning beaches and rich cultural heritage. As the year transitions into October, daylight begins to wane slightly, hinting at the cyclical nature of time in this tropical paradise. Overall, September's steady daylight mirrors the stability of the region's climate, making it an ideal time for outdoor activities and delightful discoveries.
As September rolls into Galle, Sri Lanka, the coastal breeze carries with it a comforting rhythm, maintaining an average wind speed of 5.8 m/s (13 mph). This gentle gust follows a peak in June and July, where the winds reached 6.2 m/s and 6.8 m/s, creating a vibrant atmosphere for beachgoers and surfers alike. By September, the winds have calmed slightly, yet they remain pleasantly brisk, perfect for sailing and enjoying the stunning coastal views. As the year progresses towards October, the winds gently taper down to 5.2 m/s, hinting at a transition to the quieter months ahead. This gradual shift in wind patterns reflects the lush tropical climate and the dynamic beauty of Galle, making September an enchanting time to experience its coastal charm.
The weather in Galle changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Galle and find detailed weather information for every month.
September and January exhibit distinct weather patterns, despite their similar average temperatures of around 27°C (80°F). In September, the temperatures range from a minimum of 25°C (77°F) to a maximum of 29°C (84°F), accompanied by significantly higher rainfall at 235 mm (9.3 inches) spread over 27 days, resulting in high humidity levels of 82%. In contrast, January features a slightly higher maximum temperature of 31°C (88°F) but much lower precipitation at 60 mm (2.4 inches) over just 11 days, with humidity slightly lower at 80%. These differences make January a drier and potentially more pleasant month for outdoor activities compared to the wet and humid conditions of September. For more detailed insights on Galle's weather in January, check out Galle weather in January.
September and February showcase distinct weather patterns, with September being more humid and wetter. In September, temperatures range from a minimum of 25°C (77°F) to a maximum of 29°C (84°F), accompanied by high precipitation of 235 mm (9.3 in) over 27 days, leading to an average humidity of 82%. In contrast, February offers slightly warmer conditions with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 32°C (89°F). The month sees significantly less rainfall, totaling 62 mm (2.4 in) over just 12 days, and a slightly lower humidity level of 77%. For more detailed information about February weather in Galle, check out Galle weather in February.
In September, the weather is characterized by warm temperatures, with daily averages around 27°C (80°F) and highs reaching up to 29°C (84°F). This month experiences significant rainfall, totaling 235 mm (9.3 in) over 27 days, leading to high humidity levels of 82%. In contrast, March enjoys similar average temperatures of 27°C (82°F) but sees higher maximums of 32°C (89°F). Precipitation is much lower at 89 mm (3.5 in), occurring over 17 days, and humidity is slightly reduced at 77%. The overall mood in March tends to be drier and sunnier compared to the wetter and more humid conditions of September. For more details, check out Galle weather in March.
Comparing the weather in September and April reveals some interesting differences. In September, temperatures are slightly lower, with average highs around 29°C (84°F) compared to April's maximum of 31°C (89°F). However, September experiences higher precipitation, averaging 235 mm (9.3 in) over 27 days, while April has only 137 mm (5.4 in) over 24 days. Additionally, humidity levels are higher in September at 82% compared to April's 77%. For more details on April weather, you can visit Galle weather in April.
In comparing the weather between September and May, both months display relatively warm temperatures, but May tends to be slightly hotter. September's average temperature is around 27°C (80°F), while May averages a bit higher at 28°C (82°F), with both months starting with minimum temperatures of 25°C (77°F). However, May experiences more extreme highs, reaching up to 31°C (87°F), compared to September’s maximum of 29°C (84°F).
Precipitation is more abundant in May, with a total of 289 mm (11.4 in) over 28 days, versus September's 235 mm (9.3 in) over 27 days, indicating that May can be slightly wetter, despite a similar number of rainy days. The humidity is also notable, being higher in September at 82%, compared to 76% in May.
For a closer look at the weather specifics, you can visit Galle weather in May.
In September, the weather closely resembles that of June, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 29°C (84°F), compared to June's minimum of 25°C (77°F) and maximum of 30°C (85°F). Both months experience significant precipitation, with September recording 235 mm over 27 days and June slightly higher at 237 mm over 28 days. Humidity levels are also similar, at 82% in September and 83% in June. For more detailed information about weather conditions, check out Galle weather in June.
In comparing the weather of September to that of July, we notice some key similarities and subtle differences. Both months feature a minimum temperature of 25°C (77°F) and an average temperature of around 27°C (81°F), indicating a consistently warm climate. However, July tends to be slightly drier with a total precipitation of 207 mm (8.1 in) over 28 days compared to September's 235 mm (9.3 in) across 27 days. Additionally, the humidity levels are slightly higher in September at 82%, compared to July's 81%. For those interested in a more in-depth look at July's climate, feel free to check out Galle weather in July.
In comparing the weather of September and August, it's notable that both months share similar temperature ranges, with minimums around 25°C (77°F), averages of 27°C (80°F), and maximums reaching 29°C (84°F). However, September experiences slightly higher precipitation, totaling 235 mm (9.3 in) over 27 days, compared to August's 219 mm (8.6 in) also over 27 days. Both months maintain a consistent humidity level of 82%, making the air feel similarly warm and sticky. For a detailed look at August's weather conditions, you can refer to Galle weather in August.
September and October exhibit similar temperature ranges, with both months experiencing minimum temperatures of 25°C (77°F), averages around 27°C (80°F), and maximums reaching 29°C (84°F). However, October sees a slight increase in precipitation, totaling 259 mm (10.2 in) over 28 days compared to September's 235 mm (9.3 in) across 27 days. Additionally, humidity remains quite consistent, rising marginally from 82% in September to 83% in October. For more detailed information on weather patterns, you can check out Galle weather in October.
September and November display similar tropical conditions, with average temperatures hovering around 27°C (80°F) in both months. However, September tends to be slightly warmer, featuring a maximum temperature of 29°C (84°F) compared to November's peak of 30°C (86°F). Precipitation is noteworthy in both months, with September receiving 235 mm (9.3 in) over 27 days, while November sees a bit less rainfall at 223 mm (8.8 in) across 25 days. Humidity levels are also fairly close, with September at 82% and November at 81%. For more detailed weather information, check out Galle weather in November.
In September, the weather is characterized by warm temperatures, with a minimum of 25°C (77°F) and an average of 27°C (80°F), peaking at 29°C (84°F). This month experiences significant rainfall, with a total precipitation of 235 mm (9.3 in) spread over 27 days, resulting in high humidity levels of 82%. In contrast, December reveals slightly higher maximum temperatures of 30°C (85°F), while maintaining the same minimum and average temperatures as September. Precipitation drops to 151 mm (5.9 in) over 19 days, indicating a somewhat drier month, yet humidity remains consistent at 82%. For more details on Galle's weather in December, you can check this link: Galle weather in December.
As September unfolds in Galle, the weather brings a unique blend of warmth and significant precipitation, distinctly different from the drier months that precede it. With temperatures averaging around 27°C (80°F), the days remain pleasantly warm, but the high humidity levels of 82% coupled with 235 mm of rainfall over 27 days create a lush and vibrant atmosphere, characteristic of the monsoon season. This makes September an intriguing time for visitors to experience the lush greenery and rejuvenated landscapes. For a deeper understanding of Galle's climate nuances throughout the year, check out Galle Climate.