Last updated: March 19, 2025
Mihintale, Sri Lanka experiences a warm September, with maximum temperatures soaring to 36°C (97°F) and an average of 27°C (82°F). The month is marked by high humidity levels at 82%, creating a muggy atmosphere. Rain is frequent, as evidenced by 114 mm (4.5 in) of precipitation falling over 18 days. Visitors can expect a mix of sun and showers, making it a dynamic time to explore this historic site amidst its lush surroundings.
In September, Mihintale, Sri Lanka, experiences a delightful transition from the warmth of summer, with temperatures typically ranging from a minimum of 23°C (73°F) to a maximum of 36°C (97°F). The average temperature hovers around 27°C (82°F), creating a pleasant backdrop for enjoying the region's rich cultural heritage. As the month progresses, the similarity to the preceding months is evident, with September continuing the trend of warm, stable weather. This gradual cooling marks the onset of the wet season, inviting visitors to explore the area's lush greenery and scenic landscapes while enjoying comfortably warm days and slightly cooler evenings.
In September, Mihintale experiences a significant uptick in rainfall, with a noteworthy precipitation amount of 114 mm (4.5 in) falling over 18 rainy days. This marks a continuation of the wet season, following the preceding months of increased precipitation, particularly May, which sees the highest rainfall of the year at 128 mm. As the month unfolds, the gradual intensification of rain sets the stage for the even heavier downpours that occur in October and November, where totals soar to 258 mm (10.1 in) and 266 mm (10.5 in), respectively. This pattern not only highlights September's role as a transitional period but also underscores Mihintale's positioning within a climate characterized by distinct wet and dry phases, with the early autumn months serving as a prelude to the peak of the rainy season.
In Mihintale, Sri Lanka, September experiences a notable humidity level of 82%, maintaining the high moisture trend from the preceding months. Following the peak in August at 85%, humidity slightly lessens but remains substantial. This pattern reflects the region's tropical climate, where the summer months often bring elevated humidity, particularly from June through October. Interestingly, despite a mild decrease from August, September’s humidity continues to be among the highest of the year, foreshadowing the slightly increased levels expected in October and November. As the year transitions into the final months, residents and visitors can anticipate a continuation of this warm, moist atmosphere that characterizes Mihintale.
In Mihintale, Sri Lanka, September sees a UV Index of 14, categorizing it as extreme with a burn time of just 10 minutes, similar to the peak values recorded in March and April. This trend of high UV levels persists throughout most of the year, with January through August consistently hovering between 12 and 15, underscoring the need for sun protection. As the year shifts into the final quarter, October and November maintain elevated readings, but a slight decrease is observed, dropping to a UV Index of 12. With exposure levels this intense, one must remain vigilant about sun safety. For more details, visit Mihintale UV Index.
UV Risk Categories
In September, Mihintale, Sri Lanka, experiences an impressive 320 hours of sunshine, rounding out a summer that showcases a remarkable consistency in bright skies. Following the peak of 342 hours seen in July and August, the sunlight slightly dips yet remains vibrant and plentiful, reflecting a trend of enduring warmth and daylight as the monsoon season wanes. This month retains a charming glow, creating a perfect backdrop for visitors to explore the ancient city and its sacred sites. As October approaches, the sunshine hours gently ebb, settling into an inviting rhythm that still offers plenty of opportunities for outdoor adventures. Overall, September serves as a delightful bridge from the height of summer into the softer light of autumn.
In Mihintale, Sri Lanka, the likelihood of sunny weather in September is relatively low, with only a 16% chance of sunshine. This trend follows a summer pattern where the sun makes more frequent appearances, particularly in the earlier months like January and February with chances soaring to 18% and 46%, respectively. As the year progresses into the monsoon season, the likelihood of sunny days declines sharply, reaching the year's lowest point in August at just 7%. September continues this pattern, offering only minimal opportunities for clear skies before the chances slightly improve again in October. Thus, for anyone planning a visit during this time, it’s prudent to prepare for overcast weather rather than relying on the sun.
In Mihintale, Sri Lanka, September continues the trend of consistent 12 hours of daylight that has prevailed since March, marking it as a month rich in sunlight. This stable duration reflects a period of equilibrium following the longer days of late summer. As the year progresses into October, the daylight begins to wane slightly, mimicking the gradual decrease seen in the months before the end of the year. Overall, the pattern reveals a vibrant cycle of light that underscores the balance of nature in this beautiful region.
As September arrives in Mihintale, Sri Lanka, the winds continue to weave their tale, bringing an average speed of 4.9 m/s (11 mph). This marks a slight decrease from the breezy highs of July and June, which enjoyed gusts of 5.2 m/s and 5.1 m/s respectively. The trend reveals a gentle transition as the region cools down from the summer months, but September still retains a lively air, echoing the preceding months that have seen progressively increasing winds since May. As the year draws towards its end, the wind speeds gradually taper off, leading into October's milder 3.4 m/s (7 mph). This month serves as a bridge, balancing the warmer, tempestuous summer breezes of prior months with the calmer, soothing winds expected as the year wanes.
The weather in Mihintale 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 Mihintale and find detailed weather information for every month.
September and January present contrasting weather conditions. In September, temperatures are notably warmer, with a minimum of 23°C (73°F) and reaching highs of 36°C (97°F), while the average stands at 27°C (82°F). This month also sees significant rainfall, averaging 114 mm (4.5 inches), over 18 days, along with high humidity levels at 82%. In comparison, January is much cooler, with minimum temperatures of 17°C (63°F) and maximums of 32°C (90°F), averaging 25°C (77°F). Precipitation is lower at 71 mm (2.8 inches) over just 9 days, and humidity drops slightly to 79%. For more details, visit Mihintale weather in January.
When comparing the weather in September and February, we notice distinct differences in temperature, precipitation, and humidity. September tends to be much warmer, with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 36°C (97°F), alongside high humidity levels of 82%. In contrast, February offers a milder climate, with temperatures ranging from 17°C (63°F) to a maximum of 33°C (92°F) and a lower humidity of 75%. Additionally, September experiences significantly more rainfall, with 114 mm (4.5 in) over 18 days, while February sees only 25 mm (1.0 in) in just 7 days. For more detailed insights, you can check Mihintale weather in February.
In September, the weather tends to be warmer and more humid compared to March, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 36°C (97°F) and an average of 27°C (82°F). Additionally, September experiences significantly more rainfall, with 114 mm (4.5 in) of precipitation over 18 days, resulting in a higher humidity level of 82%. In contrast, March maintains the same average temperature, but offers slightly cooler conditions with minimums at 20°C (68°F) and a lower total precipitation of 58 mm (2.3 in) spread over just 10 days, leading to a humidity level of 76%. For detailed insights into March weather, you can check Mihintale weather in March.
In September, the weather is characterized by warm temperatures, with a minimum of 23°C (73°F) and an average of 27°C (82°F), peaking at a high of 36°C (97°F). This month experiences considerable rainfall, totaling 114 mm (4.5 in) over 18 days, coupled with a high humidity level of 82%. In contrast, April sees slightly cooler temperatures, with a minimum of 21°C (71°F) and an average of 29°C (84°F), reaching up to 37°C (99°F) at its warmest. Precipitation in April is lower, at 81 mm (3.2 in) across 14 days, and the humidity is also lower at 72%. For a more detailed look at the weather conditions in April, check out Mihintale weather in April.
When comparing the weather in September and May, both months feature similar minimum temperatures around 23°C (73°F), but May tends to be slightly warmer with an average temperature of 28°C (83°F) compared to September's 27°C (82°F). In terms of maximum temperatures, May reaches a peak of 37°C (99°F), while September's maximum is slightly lower at 36°C (97°F). Precipitation is marginally higher in May, with 128 mm (5.0 in) over 19 days, compared to September's 114 mm (4.5 in) over 18 days, despite May's humidity being lower at 75% versus September's 82%. For more specific insights on May weather, check out Mihintale weather in May.
In comparing the weather of September and June, we see some notable differences. September has slightly warmer temperatures, with a minimum of 23°C (73°F) and an average of 27°C (82°F), peaking at 36°C (97°F). However, it is a wetter month, receiving 114 mm (4.5 in) of precipitation over 18 days, while June is drier with only 48 mm (1.9 in) over 14 days. Both months share a humidity level of 82%, contributing to the overall tropical feel. For more detailed information about June weather specifically, you can visit Mihintale weather in June.
When comparing the weather in September and July, both months exhibit similar temperature ranges, with September having a minimum of 23°C and a maximum of 36°C, closely mirroring July's temperatures of 23°C to 36°C. However, September is slightly cooler on average, at 27°C compared to July's average of 28°C. Notably, September experiences significantly higher precipitation, totaling 114 mm over 18 days, as opposed to July, which sees only 60 mm over 12 days. Humidity levels are also relatively high in both months, with September at 82% and July at 80%. For more details about July weather specifically, check out Mihintale weather in July.
In comparing the weather of September and August, September tends to be slightly warmer, with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 36°C (97°F), compared to August's minimum of 24°C (75°F) and maximum of 35°C (96°F). Additionally, September experiences significantly higher rainfall, with 114 mm (4.5 inches) falling over 18 days, whereas August records only 63 mm (2.5 inches) over 13 days. The humidity levels are slightly lower in September at 82%, compared to 85% in August. For a more detailed view of the weather in August, you can check out Mihintale weather in August.
In September, temperatures remain warm, with minimums around 23°C (73°F) and maximums reaching 36°C (97°F), accompanied by an average temperature of 27°C (82°F). The month experiences significant rainfall, totaling 114 mm (4.5 in) over 18 days, while humidity hovers at a high 82%. In contrast, October sees a slight drop in maximum temperatures to 33°C (93°F) and a similar average of 27°C (80°F). However, it is considerably wetter, with precipitation rising to 258 mm (10.1 in) across 23 days, and humidity remains consistently high at 83%. For more detailed information, check out Mihintale weather in October.
In September, the weather is generally warm, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 36°C (97°F) and an average temperature of 27°C (82°F). However, it is also marked by significant rainfall, receiving about 114 mm (4.5 in) over 18 days, with humidity levels around 82%.
In contrast, November experiences slightly cooler temperatures, with a minimum of 21°C (69°F), an average of 26°C (79°F), and a maximum of 34°C (93°F). However, November is noticeably wetter, with total precipitation reaching 266 mm (10.5 in) over 24 days, resulting in a slight increase in humidity to 84%. For more detailed information on November weather, you can check Mihintale weather in November.
In September, the weather is warmer with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 36°C (97°F), averaging around 27°C (82°F), whereas December sees cooler temperatures, with a minimum of 19°C (66°F) and a maximum of 32°C (90°F), averaging 25°C (78°F). Both months experience significant rainfall, but December has higher precipitation at 163 mm (6.4 in) over 19 days, compared to September's 114 mm (4.5 in) over 18 days. Humidity levels remain quite similar, with September at 82% and December slightly higher at 83%. For more specific insights into December weather, you can check Mihintale weather in December.
As September rolls into Mihintale, the weather showcases a unique character distinct from other months. With humidity levels soaring to 82%, the air feels noticeably heavier, while frequent rains contribute to the region's vibrant greenery. Unlike the hotter, drier months that precede it, September offers a refreshing mix of warm temperatures—averaging around 27°C (82°F)—interrupted by precipitation on 18 days. This blend of warmth and moisture not only invigorates the landscape but also invites travelers to experience the lush beauty of Mihintale's natural surroundings. For more detailed insights, explore the full metrics of the region in our section on Mihintale Climate.