September Weather in Kandy, Sri Lanka

Last updated: March 19, 2025

September in Kandy, Sri Lanka is characterized by mild temperatures and a lush atmosphere. With a maximum of 29°C (85°F) and an average of 23°C (74°F), the weather is comfortably warm, complemented by a minimum of 18°C (64°F) during cooler nights. However, be prepared for frequent rainfall, as the month sees about 151 mm (5.9 in) of precipitation over 22 days, resulting in a humidity level of 81%. This combination makes September a time when Kandy’s vibrant greenery flourishes, offering visitors a unique and enchanting experience.

September Temperature in Kandy

In September, Kandy, Sri Lanka experiences a comfortable climate with temperatures that reflect the transition of seasons. The month sees minimums averaging around 18°C (64°F) and peak daytime temperatures reaching around 29°C (85°F), creating a pleasant environment for both locals and visitors. This period is characterized by an average temperature of 23°C (74°F), remaining consistent with the preceding months of August and October, which also hover around that mark. This slight dip in maximum temperatures from earlier summer months indicates a shift towards the cooler end of the spectrum, making September an inviting time to explore Kandy’s lush landscapes and cultural landmarks. Overall, the transition towards the latter part of the year brings with it a refreshing warmth, ideal for enjoying the region's natural beauty.

September Weather in Kandy: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Kandy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec707173757575757473737271
Data source: Temperature data for Kandy generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Kandy

In September, Kandy, Sri Lanka experiences a notable increase in precipitation, receiving 151 mm (5.9 in) of rainfall over 22 days. This surge marks a significant shift from the drier months earlier in the year, reflecting the onset of the region's primary rainy season. Following a steady climb in rainfall from earlier months, where totals reached peaks in April and May, September sets the stage for even more substantial downpours to come in October and November, which are recorded as the wettest months. As atmospheric conditions evolve, Kandy transforms into a lush, green landscape, showcasing the vital relationship between its climate and vibrant tropical environment.

September Precipitation Trends in Kandy

The chart displays monthly precipitation patterns in Kandy, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec9790981381946595106151298342162
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Kandy

In September, Kandy, Sri Lanka, experiences a humidity level of 81%, which maintains the trend observed during the preceding months. Following the peak of 85% humidity in both June and August, September sees a slight decrease yet remains comfortably high, reflecting the region's tropical climate. This pattern of humidity fluctuates notably throughout the year, peaking in the latter half, particularly from June to October, where levels frequently rise above 80%. As the year progresses into the more humid months of October and November, Kandy continues to embrace its lush, verdant atmosphere, underscoring the significance of its moisture-rich environment for both flora and fauna. As the humidity remains elevated, visitors and locals alike can expect a warm embrace from the tropical air.

September Average Humidity in Kandy

This chart illustrates the average monthly humidity levels in Kandy, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec80%72%69%69%79%85%81%85%81%89%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kandy

In September, Kandy experiences a UV Index of 15, placing it in the extreme exposure category. This indicates a consistent trend throughout the year, as the UV index remains notably high, with values ranging from 13 to 16 from January to September. With a burn time of just 10 minutes, it's crucial for residents and visitors alike to take protective measures against the sun's intense rays. This month mirrors the high readings seen in the preceding months, particularly April and May, maintaining the pattern of extreme solar exposure that characterizes Kandy’s climate. For detailed information on UV exposure and safety tips, visit Kandy UV Index.

Maximum UV Index Levels in Kandy for September

The chart shows the monthly maximum UV Index (UVI) for Kandy in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec131416151513131415131211
Data source: Kandy September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Kandy

In Kandy, Sri Lanka, September brings a delightful 309 hours of sunshine, gracefully transitioning from the peak summer brightness experienced in July and August, which boast 336 and 335 hours respectively. As the year progresses, the sun begins to dip slightly into the cooler months, yet September's ample sunlight still reflects the vibrant spirit of the region. This month sits comfortably above the annual average of sunshine hours, signaling a reliable warm climate that invites both locals and travelers to explore the lush landscapes. As October approaches with a modest drop to 293 hours, September serves as a gentle reminder of the sunny days that define this enchanting destination.

Monthly Sunshine Duration in Kandy: September Highlighted

The September sunshine duration represents the total number of hours Kandy experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec259h304h331h328h316h334h336h335h309h293h265h299h
Data source: Kandy September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kandy During September

In Kandy, Sri Lanka, September brings a 19% chance of sunny weather, reflecting a slight improvement from the preceding months of July and August, which experience much lower sunlight probabilities at 17% and 8% respectively. This uptick indicates a gradual transition towards better weather as the year progresses, although it remains notably lower than earlier months like April (42%) and February (34%). As the year winds down to its rainy season, September offers a mixed bag of weather, but those seeking sunshine may find it a bit elusive, amidst cooler, cloudier conditions.

Percentage of Sunny Days in September in Kandy

The chart illustrates the percentage of sunny days in Kandy throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Kandy experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%34%34%42%16%22%17%8%19%14%13%38%
Data source: Kandy September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kandy in September

In September, Kandy, Sri Lanka experiences a consistent 12 hours of daylight, a trend that has persisted since March. The month marks the tail end of a prolonged period of relatively stable daylight that spans several months, from March through September, where the sun rises early and sets late, enriching the lush landscape with ample light for exploration. As the year progresses into October, daylight gently transitions back to 11 hours, hinting at shorter days ahead as the region moves closer to the end of the year. This gradual shift offers a beautiful rhythm to the shifting seasons, inviting both locals and visitors to savor the sun-drenched days of early autumn in this enchanting hill city.

Average Daylight Hours in Kandy for September

The chart illustrates the variation in daylight duration in Kandy throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 44m11h 52m12h 4m12h 16m12h 26m12h 31m12h 28m12h 20m12h 8m11h 56m11h 46m11h 41m
Data source: Kandy daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Kandy

As September rolls into Kandy, Sri Lanka, the average wind speed settles at 2.6 m/s (6 mph), showcasing a gentle breeze that complements the region's vibrant landscape. This slight dip from the previous months suggests a transition as the monsoon season approaches, characterized by softer winds compared to the peak average of 3.2 m/s (7 mph) in July. The weather, often a delightful blend of warmth and humidity, is elevated by these breezy conditions, creating a pleasant atmosphere perfect for exploring Kandy's lush gardens and historical sites. Overall, September illustrates a beautiful balance, inviting visitors to experience both serenity and the anticipation of the seasonal change.

Average September Wind Speed in Kandy

The chart displays monthly wind speed patterns in Kandy, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.51.71.61.22.22.73.22.82.6 m/s1.91.71.7
Data source: Kandy September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Kandy Compares to Other Months

The weather in Kandy 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 Kandy and find detailed weather information for every month.

September and January present distinctly different weather patterns. In September, temperatures typically range from a minimum of 18°C (64°F) to a maximum of 29°C (85°F), with an average of 23°C (74°F). This month also experiences higher rainfall, accumulating 151 mm (5.9 in) over 22 days, contributing to a rather humid atmosphere with 81% humidity. In contrast, January features slightly cooler temperatures, with a minimum of 13°C (56°F), an average of 21°C (70°F), and a maximum of 28°C (82°F). Additionally, January sees less precipitation, totaling 97 mm (3.8 in) over 12 days, while maintaining a similar humidity level of 80%. For more details on the weather specifics in January, you can check Kandy weather in January.

September and February present distinct weather contrasts. In September, temperatures range from a minimum of 18°C (64°F) to a maximum of 29°C (85°F), with an average of 23°C (74°F). This month is characterized by higher humidity at 81% and significant rainfall, with 151 mm (5.9 in) spread over 22 days. In contrast, February sees slightly cooler temperatures, with a minimum of 14°C (57°F) and a similar maximum of 29°C (84°F), resulting in an average of 21°C (71°F). Additionally, February is drier, with only 90 mm (3.5 in) of precipitation over 14 days and lower humidity at 72%. For more detailed insights into the February climate, check out Kandy weather in February.

September and March present distinct weather patterns, although both months share a similar average temperature of around 23°C (73°F). In September, temperatures range from a minimum of 18°C (64°F) to a maximum of 29°C (85°F), accompanied by higher humidity levels at 81% and substantial precipitation of 151 mm (5.9 in) over 22 rainy days. In contrast, March experiences slightly cooler minimum temperatures of 15°C (60°F) and higher maximum temperatures, reaching up to 31°C (88°F). This month sees less rainfall, with only 98 mm (3.9 in) spread across 14 days and lower humidity at 69%. For a closer look at the climate during this time, you can check out Kandy weather in March.

When comparing the weather in September and April, one can observe some notable differences. September tends to have slightly lower average temperatures, with a minimum of 18°C and a maximum of 29°C, while April enjoys warmer conditions, ranging from a minimum of 17°C to a maximum of 32°C. Precipitation levels are fairly close, with September receiving 151 mm over 22 days and April experiencing 138 mm across 15 days. Moreover, the humidity in September is significantly higher at 81%, compared to April's more moderate 69%. For more detailed information about April weather, visit Kandy weather in April.

September and May both exhibit warm temperatures, though May tends to be slightly hotter overall. In September, the average temperature is around 23°C (74°F), with a maximum of 29°C (85°F), while May averages 24°C (75°F) and peaks at 31°C (89°F). Despite the similar minimum temperatures of 18°C (64°F), May sees more precipitation, totaling 194 mm (7.6 in) over 25 days compared to September’s 151 mm (5.9 in) across 22 days. Humidity levels are quite comparable as well, with September at 81% and May at 79%. For a detailed look at May weather specifics, check out Kandy weather in May.

September and June exhibit some notable differences in weather patterns. While both months share similar minimum temperatures, with September at 18°C (64°F) and June at 18°C (65°F), June tends to be warmer overall, boasting an average temperature of 24°C (75°F) compared to September's 23°C (74°F) and a maximum of 31°C (87°F) versus September's 29°C (85°F). Additionally, June sees significantly less rainfall, with only 65 mm (2.6 in) over 17 days, whereas September experiences heavier precipitation at 151 mm (5.9 in) across 22 days. Humidity levels remain high in both months, with June slightly lower at 85% compared to September's 81%. For more specifics on June weather, you can check this link: Kandy weather in June.

September tends to be slightly cooler than July, with average temperatures ranging from a minimum of 18°C (64°F) to a maximum of 29°C (85°F) compared to July’s range of 19°C (67°F) to 31°C (88°F). Precipitation is notably higher in September, with 151 mm (5.9 in) falling over 22 days, compared to 95 mm (3.8 in) over 19 days in July. Both months share a high humidity level of 81%, but the increased rainfall in September makes it feel wetter compared to the relatively drier conditions of July. For more detailed information on July weather, you can visit Kandy weather in July.

In comparing the weather between August and September, it is evident that September experiences slightly cooler temperatures, with a minimum of 18°C (64°F) compared to August's minimum of 19°C (66°F). Both months have the same average temperature of 23°C (74°F), but September sees a maximum of 29°C (85°F), just shy of August's peak of 30°C (86°F). Precipitation increases in September, accumulating to 151 mm (5.9 in) over 22 days, compared to August's 106 mm (4.2 in) over 21 days. Additionally, September has a slightly lower humidity level of 81% compared to August's 85%. For a more detailed look at August weather in Kandy, you can check out Kandy weather in August.

In September, the weather typically features warm temperatures, with a minimum of 18°C (64°F) and an average high of 29°C (85°F). However, it is also marked by significant rainfall, accumulating around 151 mm (5.9 in) over 22 days, leading to an humidity level of 81%. In contrast, October mirrors September's temperatures with a minimum of 17°C (64°F) and an average high of 29°C (84°F), but sees a notable increase in precipitation. With around 298 mm (11.7 in) of rainfall over 25 days and a humidity spike to 89%, October is generally wetter. For more detailed insights, you can explore Kandy weather in October.

In September, the weather tends to be warm with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 29°C (85°F), and an average temperature of 23°C (74°F). However, this month also sees significant rainfall, with 151 mm (5.9 in) of precipitation spread over 22 days and humidity levels around 81%. In contrast, November exhibits slightly cooler temperatures, with a minimum of 16°C (61°F), an average of 22°C (72°F), and a maximum of 29°C (84°F). Rainfall is notably higher during this month, accumulating to 342 mm (13.4 in) over 25 days, and humidity increases to 88%. For more detailed information on November weather, you can visit Kandy weather in November.

In September, the weather is generally warm with average temperatures ranging from a minimum of 18°C (64°F) to a maximum of 29°C (85°F). The month often experiences significant rainfall, totaling around 151 mm (5.9 in) across 22 days, accompanied by high humidity levels of 81%. In contrast, December sees slightly cooler temperatures, with a minimum of 16°C (60°F) and a maximum of 27°C (81°F), averaging 21°C (71°F). Rainfall increases marginally to 162 mm (6.4 in) over 21 days, and humidity rises to 86%. For more detailed information, you can check out Kandy weather in December. Overall, while both months are characterized by humidity and frequent rain, December tends to be a bit cooler and wetter than September.

Compare Kandy's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Kandy

As September rolls into Kandy, it brings a noticeable shift in the weather compared to other months. The temperatures remain mild, hovering around a comfortable average of 23°C, and the humidity peaks at 81%, enveloping the city in a lush atmosphere. However, this month is marked by increased rainfall, with 151 mm falling over 22 days, making it the wettest time of the year. While the tropical climate remains inviting, visitors should be prepared for frequent showers, adding a unique charm to the vibrant landscape. To learn more about what to expect throughout the year, check out Kandy Climate.