Last updated: March 19, 2025
September in Wellawaya, Sri Lanka presents a vibrant mix of warm temperatures and notable rainfall. With daily highs reaching up to 34°C (93°F) and an average of 25°C (76°F), the weather remains comfortably warm for outdoor adventures. However, the month also experiences significant precipitation, with 147 mm (5.8 in) of rain spread over 18 days, leading to a lush, green landscape. The humidity level sits at a high 81%, creating a tropical atmosphere that enhances the region’s beauty. Visitors should come prepared for a blend of sunshine and showers, perfect for experiencing Wellawaya’s rich natural scenery.
In September, Wellawaya, Sri Lanka, experiences a delightful blend of warm temperatures that are characteristic of the early autumn transition. With a minimum of 19°C (67°F) and an average temperature hovering around 25°C (76°F), the weather remains inviting for outdoor enthusiasts. As the month progresses, the high can reach up to 34°C (93°F), reflecting the lingering summer warmth. This marks a slight drop from the peak temperatures of July and August, yet still offers plenty of sunshine and comfortable evenings. Overall, September strikes a balance, showcasing the end of the hotter months while hinting at the cooler trends that lie ahead.
September marks a significant transition in Wellawaya, Sri Lanka, as it experiences a notable rise in precipitation, measuring 147 mm (5.8 in) over 18 days. This surge in rainfall is part of a broader trend leading up to the peak wet months of October and November, where precipitation dramatically escalates, reaching 311 mm (12.2 in) and 347 mm (13.7 in), respectively. Compared to the previous months, September's rainfall serves as a precursor to the more intense monsoon season ahead. While the rainfall in July and August was relatively mild at 75 mm (3.0 in) and 76 mm (3.0 in), September's downpour reflects an increasing climatic pattern that sets the stage for the lush greenery that characterizes the region during the later months. In essence, September's weather marks not just a statistical spike, but a vibrant shift towards the heart of Wellawaya's rainy season.
In September, humidity levels in Wellawaya, Sri Lanka settle at a comfortable 81%, marking a slight decrease from the peak months of June and August, which both recorded 85%. This month transitions from the heavier humidity of the rainy season, providing a respite before the humidity begins to rise again in October to 89%. Throughout the year, humidity maintains an overall trend of high levels, particularly from June to October, showcasing the tropical climate's influence. Interestingly, the lowest humidity levels are observed in the early months, with March and April dipping to 69%, before the wetter months take hold. September, sitting firmly in the midst of this pattern, offers just the right blend of moisture, making it an inviting time for visitors and locals alike.
In September, Wellawaya experiences a UV Index of 15, categorizing the exposure as extreme with a burn time of just 10 minutes. This month continues a trend observed throughout the year, where the UV Index consistently remains high, peaking at 16 in March and April. As fall approaches, the index slightly dips but still indicates potential risks for unprotected skin. With its year-round excessively high levels, it is crucial for residents and visitors alike to prioritize sun safety measures. For detailed insights on UV exposure in Wellawaya, check out Wellawaya UV Index.
UV Risk Categories
As September unfolds in Wellawaya, Sri Lanka, the region enjoys an impressive 319 hours of sunshine, marking a slight dip from the sun-drenched peak of 341 hours in July. This month maintains the trend of abundant sunlight that characterizes the tail end of the dry season, with only a subtle decline compared to the vibrant summer months. Following the consistent warmth of June and July, September’s radiant days still invite exploration, making it a perfect time for both relaxation and adventure. Although the days are gradually shortening as the year progresses, the weather remains inviting, ensuring that the golden hues of Wellawaya continue to shine brightly for travelers.
In Wellawaya, Sri Lanka, the likelihood of sunny weather in September reflects a moderate 23%, making it a transitional period as the region shifts from the drier months of mid-year to the wetter season ahead. While not as bright as the peak sunny months of April and December, September stands out against the much gloomier August, which sees only an 8% chance of sunshine. This slight uptick towards the end of the year hints at the gradual return of clearer skies, offering a promising glimpse of the brighter days to follow. Overall, if you're planning a visit in September, expect a mix of sun and clouds as the monsoon begins to brew, but also cherish those pockets of sunshine that can light up your experience.
In Wellawaya, Sri Lanka, the daylight duration follows a rhythmic pattern throughout the year. This September, the residents enjoy a generous 12 hours of daylight, consistent with the previous few months. As the year unfolds, daylight begins at a stable 11 hours in January and February, gradually increasing to a splendid 12 hours from March through September. Following this peak, the daylight starts to taper off again, dropping back to 11 hours in October and remaining consistent through December. This steady cycle highlights the region’s balanced climate and offers a beautiful backdrop for the vibrant life that flourishes under its long days.
As September arrives in Wellawaya, Sri Lanka, the gentle breeze becomes a notable feature, with average wind speeds reaching an inviting 2.7 m/s (6 mph). This marks a slight decrease from the peak winds of July and August, both at 2.8 m/s, yet still maintains a refreshing atmosphere compared to the early months of the year, where winds lingered around 1.5 to 1.8 m/s. The transition from the calmer spring months to the more spirited late summer brings a sense of dynamism to the region. As the winds begin to taper off into autumn, they're a reminder of the tropical charm that defines Wellawaya, inviting locals and visitors alike to embrace its serenity during this mild September.
The weather in Wellawaya 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 Wellawaya and find detailed weather information for every month.
In September, the weather is notably warmer, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (93°F). The month is also characterized by higher precipitation, averaging 147 mm (5.8 in) over 18 days, and humidity levels around 81%. In contrast, January offers milder conditions, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 29°C (84°F). Precipitation is lower in January, at 80 mm (3.2 in) spread over 11 days, and the humidity remains slightly lower at 80%. For a closer look at January weather specifics, visit Wellawaya weather in January.
In comparing the weather of September and February, we observe noticeable differences in temperature and precipitation patterns. September typically boasts higher temperatures, with averages ranging from a minimum of 19°C (67°F) to a maximum of 34°C (93°F), while February presents slightly cooler averages, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 30°C (87°F). Additionally, September experiences significantly more rainfall, totaling 147 mm (5.8 in) over 18 days, compared to February's 90 mm (3.5 in) over 14 days. The humidity in September is also higher at 81%, while February offers a more comfortable 72% humidity level, making it a more pleasant month overall. For a detailed look at February weather in Wellawaya, you can visit Wellawaya weather in February.
In September, the weather tends to be warmer and more humid, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (93°F). The month also experiences considerable rainfall, totaling 147 mm (5.8 inches) over 18 days, contributing to a humidity level of 81%. In contrast, March offers slightly cooler temperatures, with a minimum of 15°C (59°F) and a maximum of 32°C (90°F), along with reduced precipitation levels of 104 mm (4.1 inches) over 17 days. The humidity in March is also lower at 69%, making it a more comfortable time for outdoor activities. For more details on the weather in March, you can check this link: Wellawaya weather in March.
In comparing the weather between September and April, we see some notable differences. September generally exhibits slightly warmer temperatures, with an average of 25°C (76°F) compared to April's average of 24°C (75°F). The maximum temperatures are similar, reaching 34°C (93°F) in September and 33°C (91°F) in April. However, September experiences higher precipitation levels, totaling 147 mm (5.8 in) over 18 days, while April sees slightly more rain, at 155 mm (6.1 in) over 20 days. Notably, September has a higher humidity level of 81%, compared to April’s 69%. For a more detailed look at April weather specifics, you can check Wellawaya weather in April.
When comparing the weather in September and May, both months showcase similar minimum temperatures, averaging around 19°C (67°F). However, September tends to be hotter during the day, with average maximum temperatures reaching up to 34°C (93°F), compared to May’s peak of 32°C (90°F). Precipitation levels are also notable; September experiences approximately 147 mm (5.8 in) over 18 days, while May sees higher precipitation at 173 mm (6.8 in) across 21 days. Humidity levels are fairly close in both months, with September at 81% and May slightly lower at 79%. For more detailed information about May weather specifics, you can visit Wellawaya weather in May.
When comparing the weather in September and June, we observe that both months have similar temperature ranges, with minimum temperatures around 19°C (67°F) and maximum temperatures reaching 34°C (93°F). However, September typically experiences slightly cooler average temperatures at 25°C (76°F) compared to June's average of 26°C (78°F). Notably, September sees a significant increase in precipitation, with 147 mm (5.8 in) over 18 days, whereas June receives only 60 mm (2.4 in) across 11 days. In terms of humidity, September is a bit more humid at 81%, while June has a humidity level of 85%. For a closer look at weather specifics, check out Wellawaya weather in June.
When comparing the weather in September and July, both months exhibit similar high temperatures, with July averaging 26°C (78°F) and September averaging 25°C (76°F), making them equally warm. However, September experiences a higher minimum temperature of 19°C (67°F) compared to July's 20°C (68°F). Notably, September is significantly wetter, with 147 mm (5.8 in) of precipitation over 18 days, while July has just 75 mm (3.0 in) across 12 days. Humidity levels remain consistent at 81% for both months, contributing to a similar comfort level. For more specific insights into July's weather, you can explore Wellawaya weather in July.
The weather in September is slightly warmer than in August, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (93°F), compared to August's range of 20°C (68°F) to 33°C (92°F). September also experiences significantly more precipitation, totaling 147 mm (5.8 in) over 18 days, whereas August has only 76 mm (3.0 in) over 12 days. Despite being slightly cooler, August has a higher humidity level of 85% compared to September's 81%. For more detailed insights, you can check Wellawaya weather in August.
In September, the weather features a warm range with temperatures averaging 25°C (76°F) and peaking at 34°C (93°F), alongside 147 mm (5.8 in) of rainfall spread over 18 days and a humidity level of 81%. October, on the other hand, presents a slight decrease in average temperature to 24°C (75°F) and a somewhat lower maximum of 33°C (92°F). However, the month is significantly wetter, experiencing 311 mm (12.2 in) of precipitation over 21 days, with humidity increasing to 89%. For a detailed look at October weather conditions, you can check Wellawaya weather in October.
In September, the weather tends to be quite warm, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (93°F). The month sees considerable rainfall, accumulating about 147 mm (5.8 in) over 18 days, accompanied by high humidity levels averaging 81%. In contrast, November experiences slightly cooler temperatures, with an average range of 16°C (60°F) to 30°C (86°F). However, it is significantly wetter, with total precipitation reaching 347 mm (13.7 in) across 26 days, coupled with an increase in humidity to 88%. For more detailed insights into the weather during this time, you can check Wellawaya weather in November.
In September, the weather is warmer and more humid, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (93°F) and an average of 25°C (76°F). The month sees significant rainfall, totaling 147 mm (5.8 in) across 18 days, contributing to a humidity level of 81%.
In contrast, December brings cooler temperatures, with a minimum of 15°C (60°F), an average of 22°C (72°F), and a maximum of 28°C (83°F). Although the maximum temperature is lower than in September, December experiences slightly higher precipitation at 164 mm (6.5 in) over 21 days, resulting in increased humidity of 86%. For more detailed insights, you can check Wellawaya weather in December.
As September unfolds in Wellawaya, the weather presents a unique blend of warmth and humidity that sets it apart from the preceding months. With temperatures reaching a maximum of 34°C and a high humidity level of 81%, days can feel particularly sultry, inviting a desire for refreshing escapes. The average temperature of 25°C provides a comfortable reprieve, while the increased precipitation of 147 mm spread over 18 days adds a touch of lushness to the landscape. This month marks a transition towards the wetter season, making it distinctively vibrant. For those intrigued by the seasonal shifts in this enchanting region, further insights can be found at Wellawaya Climate.