Last updated: March 19, 2025
September in Sigiriya, Sri Lanka, offers a tropical experience characterized by warm temperatures and moderate humidity. With maximums reaching up to 36°C (98°F) and an average of 28°C (83°F), days can be quite sultry. The nights cool down to a comfortable 23°C (74°F), providing some relief. Rainfall is notable, with a total precipitation of 67 mm (2.6 in) over approximately 11 days, making it a month where brief showers are common. Humidity levels hover around 81%, adding to the lush, verdant ambiance of this breathtaking locale. Whether exploring the ancient rock fortress or enjoying the vibrant surroundings, visitors should prepare for both the heat and the refreshing rains.
In September, the temperatures in Sigiriya, Sri Lanka start to shift slightly as the region transitions from the peak warmth of late summer. With minimums around 23°C (74°F) and a pleasant average of 28°C (83°F), the weather remains inviting for outdoor exploration. Daytime highs, reaching up to 36°C (98°F), offer a taste of summer's lingering heat, making it essential for travelers to stay hydrated while marveling at the ancient rock fortress. This month’s temperatures, slightly dropping from the preceding summer months, hint at the approaching transition into the cooler, more temperate climate of October. Overall, September provides a delightful balance between warmth and comfort, perfect for experiencing the stunning landscapes and rich history of Sigiriya.
In September, Sigiriya, Sri Lanka experiences a notable uptick in rainfall, with 67 mm (2.6 in) of precipitation over 11 days, setting the stage for the wetter months that follow. This increase in rainfall marks a shift from the drier summer months, where June and July recorded only 22 mm (0.9 in) and 32 mm (1.3 in) respectively. The transition into September contributes to the lush greenery that the region is known for, as the rainfall prepares the landscape for the heavier downpours of October and November, which can reach dramatic heights of 226 mm (8.9 in) and 274 mm (10.8 in). This pattern underscores the importance of September as a precursor to the region’s monsoonal shifts, providing a refreshing interlude before the peak rainy season.
In September, Sigiriya, Sri Lanka experiences a humidity level of 81%, maintaining a trend of high moisture that characterizes the region during the late monsoon period. This month sees humidity slightly decrease from the peak levels of 85% observed in August, yet it remains elevated, contributing to a lush landscape that thrives in such conditions. As the year progresses towards October, a notable increase in humidity to 89% is anticipated, highlighting the seasonal shift towards the wetter months. On the whole, September's humidity is indicative of the region's tropical climate, balancing comfort and the vibrant beauty of its natural surroundings.
In September, Sigiriya, Sri Lanka, continues to experience an extreme UV Index of 14, similar to the previous months of August and April. This trend of heightened UV exposure emphasizes the need for caution, as the burn time remains a swift 10 minutes. The consistent high UV levels from January through September highlight a persistent intensity that should not be underestimated. Visitors and residents alike should prioritize sun protection during this period to safeguard their skin from potential harm. For more specific information, you can check the detailed UV Index data here: Sigiriya UV Index.
UV Risk Categories
September in Sigiriya, Sri Lanka, presents a delightful balance of sunshine, boasting 317 hours of radiant daylight. As the year transitions from the high sun of midsummer, which peaks in July with 343 hours, a slight decline in sunlight is observed, particularly compared to the previous months. However, September remains vibrant, maintaining more daylight than winter months like November (270 hours) and December (298 hours). This offers visitors a perfect opportunity to explore the historical marvels of Sigiriya under a warm sun, ideally complemented by the lush greenery that the rainy season nurtures. Each month builds a beautiful tapestry of light, creating an inviting atmosphere that enhances the charm of this iconic destination.
September in Sigiriya, Sri Lanka, brings a modest chance of sunny weather at 19%, positioning it among the lower probabilities for sunshine throughout the year. This month follows the particularly overcast days of August, which sees only an 8% chance of sun, and precedes the somewhat sunnier October with 16%. The slight uptick in sunny days towards the end of the year indicates a gradual shift, with February and April emerging as the standout months for sunshine, boasting 40% and 50% respectively. Overall, while September may not be the sunniest month, it offers a blend of warmth and greenery, making it a captivating time to explore the ancient wonders of Sigiriya.
In September, Sigiriya, Sri Lanka enjoys a delightful 12 hours of daylight, continuing the trend set in the previous months of June through August. This consistent duration allows visitors to fully experience the breathtaking beauty of the region, with ample time for exploration and adventure. Notably, daylight hours peak in the spring months of March to May, reaching 12 hours as well, before transitioning back to 11 hours in October. Overall, the stability of daylight duration in September is ideal for those seeking to immerse themselves in the stunning landscapes and rich history that Sigiriya has to offer.
As September unfolds in Sigiriya, Sri Lanka, the average wind speed reaches a gentle 5.2 m/s (12 mph), maintaining the lively breeziness characteristic of the preceding months. This slight dip from the summer peak, where wind speeds soared to 5.6 m/s (13 mph) in July, signals a subtle transition into the quieter seasons. Notably, the winds started to pick up in May, blossoming into summer's refreshing gusts, which then serenade visitors beneath the iconic rock fortress. As the month progresses, the winds gradually ease off, hinting at the calmer conditions that October will bring. With this delightful dance of the winds, September is the perfect time to explore Sigiriya, where every breath of fresh air enhances your adventure.
The weather in Sigiriya 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 Sigiriya and find detailed weather information for every month.
September and January showcase distinct weather patterns. In September, temperatures soar from a minimum of 23°C (74°F) to a maximum of 36°C (98°F), with an average of 28°C (83°F). The month receives about 67 mm (2.6 in) of rainfall over 11 days, coupled with a high humidity level of 81%. In contrast, January features cooler temperatures, ranging from a minimum of 17°C (62°F) to a maximum of 32°C (89°F), with an average of 25°C (77°F). The precipitation increases slightly to 82 mm (3.2 in) over 12 days, while the humidity remains relatively stable at 80%. For more detailed insights, you can check out Sigiriya weather in January.
September and February present distinct weather patterns. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 36°C (98°F), with an average of 28°C (83°F). This month also experiences higher humidity at 81% and more precipitation, totaling 67 mm (2.6 in) over 11 days. In contrast, February offers cooler conditions, with temperatures dipping to a minimum of 17°C (63°F) and peaking at 33°C (92°F), averaging 25°C (78°F). Precipitation is lower in February at 40 mm (1.6 in), also spread over 11 days, accompanied by a reduced humidity level of 72%. For more details, you can refer to Sigiriya weather in February.
In September, the weather is characterized by warmer temperatures, with a minimum of 23°C (74°F) and an average of 28°C (83°F), peaking at 36°C (98°F). This month also experiences higher humidity levels at 81% and greater precipitation, averaging 67 mm (2.6 in) over about 11 days. In contrast, March offers slightly cooler conditions, with a minimum temperature of 19°C (66°F) and a similar maximum of 36°C (97°F). The average temperature is also slightly lower at 27°C (81°F), and March sees less rainfall, totaling 54 mm (2.1 in) over 10 days, accompanied by lower humidity at 69%. For more information on weather specifics, you can refer to Sigiriya weather in March.
In comparing the weather of September and April, both months exhibit warm temperatures, but with some distinct differences. September has a slightly higher average minimum temperature of 23°C (74°F) compared to April's 20°C (68°F), while both months have similar average temperatures of 28°C (83°F) for September and 29°C (84°F) for April. Notably, April reaches a higher maximum temperature of 37°C (99°F) compared to September's 36°C (98°F).
In terms of precipitation, September experiences 67 mm (2.6 in) of rain over 11 days, while April is slightly wetter with 70 mm (2.8 in) over 9 days. Humidity levels are higher in September at 81%, compared to 69% in April, making September feel more muggy. For more specific information about the weather in April, you can check out Sigiriya weather in April.
In comparing the weather of September and May, both months feature warm temperatures, with September averaging around 28°C (83°F) and May slightly warmer at 29°C (84°F). However, May often experiences higher maximum temperatures, reaching up to 37°C (99°F), compared to September's peak of 36°C (98°F). Precipitation levels are also notable; May sees more rainfall with 83 mm (3.3 in) over 13 days, whereas September receives 67 mm (2.6 in) over 11 days. Humidity levels are relatively similar, with September at 81% and May slightly lower at 79%. For a detailed look at May weather specifics, visit Sigiriya weather in May.
In comparing the weather of September and June, both months maintain a warm climate with minimum temperatures consistently around 23°C (74°F). However, September tends to be slightly cooler on average, with an average temperature of 28°C (83°F) compared to June's 29°C (84°F). While both months can reach a maximum of 36°C (96°F to 98°F), September experiences more precipitation, totaling 67 mm (2.6 in) over 11 days, whereas June sees significantly less rain at 22 mm (0.9 in) across just 5 days. Humidity levels also differ slightly, with September at 81% and June at 85%. For more detailed weather insights for June, you can visit Sigiriya weather in June.
In comparison to July, September experiences slightly cooler average temperatures, with a minimum of 23°C (74°F) and an average of 28°C (83°F) compared to July's average of 29°C (84°F). Both months have similar minimum temperatures, but September sees a marginally lower maximum of 36°C (98°F), while July can reach up to 37°C (99°F). Precipitation significantly increases in September, totaling 67 mm (2.6 in) over 11 days, compared to July's much lower 32 mm (1.3 in) over just 5 days, although both months maintain a humidity level of 81%. Those looking for more details about July's weather can refer to Sigiriya weather in July.
In comparing the weather between September and August, we see a notable shift in precipitation and humidity levels. Both months exhibit similar temperature ranges, with minimums at 23°C (74°F) and maximums reaching 36°C (97-98°F). However, September experiences higher precipitation at 67 mm (2.6 in) over 11 days, compared to August’s 26 mm (1.0 in) over just 6 days. Additionally, humidity is slightly lower in September at 81%, while August maintains a higher humidity level of 85%. For more detailed insights, you can refer to the Sigiriya weather in August.
In September, the weather typically features a warm climate with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 36°C (98°F) and an average of 28°C (83°F). Precipitation is relatively moderate, with about 67 mm (2.6 in) falling across 11 days, and humidity levels sit at 81%. In contrast, October experiences slightly cooler temperatures, with a minimum of 22°C (73°F), an average of 27°C (81°F), and a maximum of 35°C (95°F). However, October sees a significant increase in precipitation, totaling 226 mm (8.9 in) over 20 days, along with a rise in humidity to 89%. For more in-depth information, you can check Sigiriya weather in October.
In September, temperatures in the region are typically warm, with a minimum of 23°C (74°F) and an average high of 36°C (98°F). Despite a relatively lower precipitation of 67 mm (2.6 in) spread over 11 days, the humidity remains high at 81%. In contrast, November experiences slightly cooler temperatures, with a minimum of 21°C (70°F) and an average high of 35°C (96°F). However, November is significantly wetter, with 274 mm (10.8 in) of rain over 25 days and even higher humidity levels at 88%. For more detailed information, you can check out the Sigiriya weather in November.
In September, the weather is typically warmer, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 36°C (98°F). The humidity is quite high at 81%, and there's a moderate level of precipitation, totaling 67 mm (2.6 in) over about 11 days. In contrast, December experiences cooler temperatures, with averages between 19°C (66°F) and 32°C (90°F), though it is also wetter, with precipitation reaching 175 mm (6.9 in) over 22 days. The humidity increases slightly to 86%, making December feel more muggy despite the lower temperatures. For a more detailed look at December weather, you can check Sigiriya weather in December.
As September settles over Sigiriya, the weather begins to shift from the height of the dry season, bringing a welcome blend of warmth and humidity. With average temperatures hovering around a comfortable 28°C (83°F), the days can feel quite toasty, particularly as highs reach up to 36°C (98°F). While the month does see an uptick in precipitation, with rain gracing the area on about 11 days, the lush landscape begins to rejuvenate, transforming the region into a vibrant tapestry of green. The humidity climbs to around 81%, adding a tropical touch that distinguishes September from the preceding months. To learn more about how these conditions affect your visit, check out Sigiriya Climate.