Last updated: March 19, 2025
In September, Anuradhapura, Sri Lanka, experiences a warm climate characterized by a maximum temperature of 36°C (97°F) and a minimum of 23°C (73°F), averaging around 27°C (82°F). The month brings a significant amount of rainfall, with 114 mm (4.5 in) of precipitation spread over approximately 18 days, leading to an average humidity level of 82%. These weather conditions create a lush environment, making September a unique yet challenging time for both locals and visitors as they navigate the heat and occasional downpours.
In September, Anuradhapura, Sri Lanka, experiences a wonderful blend of warmth and mildness, marking a transition into the cooler months. With minimum temperatures around 23°C (73°F) and an average hovering at 27°C (82°F), the comfort level remains high for outdoor explorations. The maximum temperature can reach up to 36°C (97°F), making it a warm month, yet slightly less intense than the peak of summer. This gradual cooling trend is a refreshing shift, especially when compared to the sweltering highs seen in April and May. As the rainfall patterns begin to shift, September serves as a bridge, inviting visitors to embrace the lush landscapes while enjoying the increasingly pleasant climate.
September in Anuradhapura, Sri Lanka, marks a significant uptick in precipitation, with the month recording 114 mm (4.5 inches) of rainfall over 18 days. This increase highlights the transition into the monsoon season, following the relatively drier summer months of June to August. With rainfall intensifying as it approaches October—which averages a substantial 258 mm (10.1 inches)—September serves as a precursor, bridging the gap with the highest precipitation periods of the year. The consistent rise from the earlier months not only enriches the landscape but also underscores a shift in weather patterns that can impact agriculture and local ecosystems. As nature prepares for the forthcoming deluge, September stands out as a pivotal month in Anuradhapura's climate narrative.
In September, Anuradhapura experiences a notable humidity level of 82%, maintaining a trend established during the previous months. As summer transitions into the wet season, humidity peaks significantly, with August leading the charge at 85%. This high humidity is indicative of the region's tropical climate, where moisture levels remain elevated from June through October. Following September, the humidity slightly rises again in October to 83%, before stabilizing in the latter months of the year. This overall pattern highlights the wet season's impact, creating a lush, vibrant environment that characterizes Anuradhapura during this time.
September in Anuradhapura, Sri Lanka, continues the trend of intense sun exposure, boasting a UV Index of 14, categorized as extreme. This places it in line with the peak values typically seen during the preceding months of April and March. Consistently high UV levels from January to May, with values peaking at 15 in April, indicate a persistent sun intensity throughout the year. The burn time remains notably short at just 10 minutes, emphasizing the urgent need for sun protection. As the days grow shorter into October, the UV Index drops slightly to 12, yet vigilance against sun damage remains crucial. For those spending time outdoors, it’s essential to stay informed about these UV levels to ensure safety. For more information, visit Anuradhapura UV Index.
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September in Anuradhapura, Sri Lanka, brings a delightful 320 hours of sunshine, continuing a trend of abundant sunlight that characterizes the region throughout the year. After the peak months of March and July, which record an impressive 342 hours, September settles into a comfortable rhythm, providing a warm and inviting atmosphere for locals and visitors alike. As the months transition from the vibrant summer of April and May, with over 330 hours of sunshine, the gradual dip in daylight to 320 hours in September signals the onset of the fall season, offering a perfect mix of warmth and freshness. This consistent sunshine, though slightly reduced from the summer highs, still ensures that September is a wonderful time to explore the cultural treasures and lush landscapes of Anuradhapura.
In Anuradhapura, Sri Lanka, the prospect of enjoying sunny weather in September is relatively low, with only a 16% chance of sunshine. This trend aligns with the tail end of the rainy season, where cloud cover tends to dominate the skies. Interestingly, the likelihood of clear days shows a notable decrease from the sunnier months of January through April, which boast percentages ranging from 18% to 46%. Following September, the chance of sun appears to dwindle further as the region transitions into the heavier rains of October and November. As such, while September may offer a fleeting moment of sunshine, it's wise to prepare for overcast conditions and occasional downpours.
In September, Anuradhapura basks in a consistent 12 hours of daylight, a trend that has remained steady since April. Following a gradual increase from 11 hours in January and February, the duration of sunlight peaks at 12 hours, creating an inviting atmosphere for both residents and visitors alike. As the year progresses, daylight hours begin to taper off starting in October, returning to 11 hours by the end of the year. This rhythmic pattern not only highlights the region's predictable climatic conditions but also sets the stage for vibrant outdoor activities and cultural experiences throughout the month of September.
In September, the winds in Anuradhapura, Sri Lanka exhibit a gentle yet invigorating pattern, with an average speed of 4.9 m/s (11 mph). This month's breeze is a slight dip from the preceding months, which feature the strongest winds of the year. Following the peak wind speeds of June and July, which reached 5.1 m/s and 5.2 m/s respectively, September maintains a pleasant wind flow that contrasts the stiller conditions of earlier months like January and April, where speeds hover around 2.5 m/s. As the monsoon season wanes, the September wind signifies a transitional period, providing a refreshing respite in the otherwise tropical heat, inviting both locals and visitors to enjoy the historic landscapes and lush greenery of this ancient city.
The weather in Anuradhapura 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 Anuradhapura and find detailed weather information for every month.
In September, the weather is characterized by higher temperatures, with a minimum of 23°C (73°F) and an average of 27°C (82°F), peaking at a maximum of 36°C (97°F). With significant rainfall of 114 mm (4.5 in) over 18 days, humidity is also quite high at 82%. In contrast, January offers a more temperate climate, with minimum temperatures dropping to 17°C (63°F) and an average of 25°C (77°F), reaching a maximum of 32°C (90°F). Precipitation is lower in January, at 71 mm (2.8 in) over just 9 days, and humidity stands at a slightly lower level of 79%. For a detailed look at January weather, check Anuradhapura weather in January.
In September, the weather is notably warmer and more humid than in February, with average temperatures reaching 27°C (82°F) and maximums soaring to 36°C (97°F). The month experiences considerable precipitation, totaling 114 mm (4.5 in) over 18 days, contributing to a high humidity level of 82%. In contrast, February offers a milder climate, with minimum temperatures around 17°C (63°F) and an average of 26°C (78°F) while reaching a maximum of 33°C (92°F). Precipitation is significantly lower in February, at just 25 mm (1.0 in) across 7 days, and the humidity is slightly reduced at 75%. For more details on February weather, you can visit Anuradhapura weather in February.
In comparing the weather of September and March, both months share a similar average temperature of 27°C (82°F) and experience maximum highs of 36°C (97°F). However, September is noticeably warmer at night with a minimum temperature of 23°C (73°F) compared to March's milder 20°C (68°F). Precipitation levels also differ significantly; September sees a substantial 114 mm (4.5 in) spread over 18 days, while March is much drier with only 58 mm (2.3 in) over 10 days. The humidity is higher in September at 82%, compared to March's 76%. For a closer look at the weather specifics in March, check out Anuradhapura weather in March.
In comparing the weather between September and April, both months offer warm temperatures, but variations in conditions can be noted. September experiences slightly higher humidity at 82%, along with average temperatures around 27°C (82°F) and maximum highs of 36°C (97°F). This month also sees more precipitation, totaling 114 mm (4.5 inches) over an average of 18 days. In contrast, April is slightly warmer on average, with temperatures peaking at 37°C (99°F) and a lower humidity level of 72%. Additionally, April has less rain, receiving 81 mm (3.2 inches) over 14 days. For a detailed look at weather trends, you can check Anuradhapura weather in April.
Comparing the weather in September and May reveals some notable differences and similarities. Both months feature warm temperatures, with September averaging 27°C (82°F) and May slightly warmer at 28°C (83°F). September's maximum temperatures reach up to 36°C (97°F), while May edges up to 37°C (99°F). Humidity levels are higher in September at 82%, compared to May's 75%. Additionally, September sees 114 mm (4.5 in) of precipitation over 18 days, whereas May experiences slightly more rainfall at 128 mm (5.0 in) spread across 19 days. For more detailed information, you can check out Anuradhapura weather in May.
When comparing the weather in September and June, both months exhibit warm temperatures and high humidity levels around 82%. September tends to be hotter with an average temperature of 27°C (82°F) and a maximum reaching 36°C (97°F), compared to June's average of 28°C (83°F) and a maximum of 34°C (94°F). Additionally, September experiences significantly more precipitation, with 114 mm (4.5 in) over 18 rainy days, while June sees less rainfall at 48 mm (1.9 in) over 14 days. For more detailed insights, you can check Anuradhapura weather in June.
In comparing the weather of September and July, both months exhibit relatively warm temperatures, with September having a minimum of 23°C (73°F) and an average of 27°C (82°F), while July's average temperature is slightly higher at 28°C (83°F). The maximum temperatures for both months remain similar, peaking at around 36°C (97°F) in September and 36°C (98°F) in July. One significant difference is the rainfall; September experiences more precipitation with 114 mm (4.5 in) over 18 days, compared to July's 60 mm (2.4 in) over just 12 days. Humidity levels are also slightly higher in September at 82%, compared to 80% in July. For more details on July's weather, you can explore Anuradhapura weather in July.
In comparing the weather between August and September, September exhibits slightly higher temperatures with an average of 27°C (82°F) compared to August's average of 28°C (83°F). Interestingly, while September's maximum temperature reaches 36°C (97°F), it has a lower minimum temperature of 23°C (73°F) compared to August’s minimum of 24°C (75°F). Additionally, September experiences significantly more rainfall, totaling 114 mm (4.5 in) over 18 days, unlike August's 63 mm (2.5 in) across 13 days. Humidity levels remain high in both months, with September at 82% and August at 85%. For more details on August's climate, you can visit Anuradhapura weather in August.
In September, temperatures in Anuradhapura range from a minimum of 23°C (73°F) to a maximum of 36°C (97°F), with an average of 27°C (82°F). The month sees significant rainfall, amounting to 114 mm (4.5 inches) over 18 days, while humidity levels hover around 82%. In contrast, October experiences slightly cooler maximum temperatures, peaking at 33°C (93°F) with an average of 27°C (80°F). However, October is marked by increased rainfall, totaling 258 mm (10.1 inches) across 23 days, and a marginally higher humidity of 83%. For a closer look at the weather conditions in October, you can visit Anuradhapura weather in October.
In comparing the weather of September and November, September typically experiences warmer temperatures, with a minimum of 23°C (73°F) and an average of 27°C (82°F), peaking at 36°C (97°F). In contrast, November has slightly cooler temperatures, with a minimum of 21°C (69°F) and an average of 26°C (79°F), and a maximum of 34°C (93°F). However, November sees a significant increase in rainfall, with a total of 266 mm (10.5 in) over 24 days, compared to September's 114 mm (4.5 in) across 18 days, resulting in a more humid atmosphere at 84% compared to September's 82%. For more details on the weather in November, visit Anuradhapura weather in November.
In September, the weather is quite warm, with average temperatures reaching 27°C (82°F) and maximums soaring up to 36°C (97°F). Humidity is relatively high at 82%, and the month experiences significant rainfall, accumulating 114 mm (4.5 in) over 18 days. In contrast, December sees cooler temperatures, with a minimum of 19°C (66°F) and an average of 25°C (78°F), though it remains humid at 83%. The precipitation in December increases to 163 mm (6.4 in) over 19 days, making it the wetter month of the two. For more detailed information on December weather in the region, check out Anuradhapura weather in December.
September in Anuradhapura presents a compelling blend of warmth and humidity, distinguishing itself from the drier months. With temperatures frequently nudging 36°C, the air is thick with an average humidity of 82%, making it feel even warmer. The month also ushers in considerable rainfall, with about 18 days experiencing precipitation, contributing to a total of 114 mm. This wet and warm combination marks a transition towards the heavier monsoon season, contrasting sharply with the more moderate and drier conditions of earlier months. For a deeper understanding of how these weather patterns evolve, visit Anuradhapura Climate.