September Weather in Matara, Sri Lanka

Last updated: March 19, 2025

September weather in Matara, Sri Lanka offers a warm and humid experience, with maximum temperatures reaching up to 31°C (88°F) and an average of 26°C (80°F). Residents and visitors can expect a comfortable minimum temperature around 23°C (74°F). This month sees significant precipitation, totaling 209 mm (8.2 in), spread over 26 rainy days. With humidity levels hovering around 82%, September presents a lush and vibrant atmosphere, perfect for enjoying the natural beauty of this coastal town.

September Temperature in Matara

In September, Matara, Sri Lanka, experiences a warm and pleasant climate, with temperatures showcasing a subtle transition into the autumn months. The minimum temperature hovers around 23°C (74°F), while the average stays relatively stable at 26°C (80°F), mirroring the previous few months. However, the maximum temperatures begin to slightly dip to 31°C (88°F), providing a gentle relief from the summer heat. Overall, this month maintains a balance of comfortable warmth, ideal for enjoying outdoor activities while hinting at the cooler days ahead.

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

The chart illustrates September temperature patterns in Matara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec798081818181818080797979
Data source: Temperature data for Matara 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 Matara

September marks a notable peak in precipitation for Matara, Sri Lanka, with rainfall totaling 209 mm (8.2 in) over approximately 26 days. As the monsoon season progresses, September typically receives heavy showers, contributing to its position among the wettest months of the year. This is a pivotal transition point, leading into October, which records even higher precipitation at 258 mm (10.2 in). The steady increase from 172 mm (6.8 in) in April to September’s totals showcases the region's significant rainy-season dynamics, where rainfall intensifies throughout the year. This trend not only highlights the lush greenery that characterizes the landscape during this time but also emphasizes the importance of understanding seasonal weather patterns for both local communities and agriculture.

September Precipitation Trends in Matara

The chart displays monthly precipitation patterns in Matara, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8577121173252189156170209258261188
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Matara

In September, Matara, Sri Lanka experiences a notable level of humidity at 82%, a figure that aligns closely with the humid atmosphere seen in the preceding months of July and August. This slight decrease from the summer peak is part of a larger trend where humid conditions persist throughout much of the year. From January's 80% to June's 83%, humidity levels remain consistently high, illustrating the tropical climate's influence. As September transitions into October, the humidity remains steady at 83%, indicating a sustained warmth that characterizes this coastal region. Such conditions create a lush environment, vital for the region's agriculture, while also inviting travelers to experience its vibrant natural beauty.

September Average Humidity in Matara

This chart illustrates the average monthly humidity levels in Matara, 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%77%77%77%76%83%81%83%82%83%81%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Matara

In September, Matara, Sri Lanka, maintains its reputation for intense sun exposure with a UV Index of 14, placing it in the extreme exposure category, where just 10 minutes of unprotected skin can lead to sunburn. This month, like several preceding it, showcases a consistent trend of high UV levels, typically ranging from 12 to 15 throughout the year. As the transition from the wet season approaches, sun-seekers in Matara should remain vigilant, consistently taking precautions against harmful rays and shielding their skin. For detailed insights on managing sun exposure and staying safe, check out Matara UV Index.

Maximum UV Index Levels in Matara for September

The chart shows the monthly maximum UV Index (UVI) for Matara 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.
JanFebMarAprMayJunJulAugSepOctNovDec131415151412131414131111
Data source: Matara 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 Matara

In September, Matara, Sri Lanka, enjoys a remarkable 317 hours of sunshine, continuing the region's delightful trend of abundant daylight as summer approaches its end. Following the peak of sunlight in July with 339 hours, there’s a slight dip, yet September’s vibrant rays still surpass those of earlier months, such as January and November. This month marks a transition as the sun begins to soften its embrace, paving the way for autumn. With nearly ten hours of sun per day, visitors can bask in the warmth while experiencing the unique charm of this coastal haven. As the year progresses towards October, the sunshine remains generous, causing September to stand out as a golden period for both relaxation and exploration.

Monthly Sunshine Duration in Matara: September Highlighted

The September sunshine duration represents the total number of hours Matara 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.
JanFebMarAprMayJunJulAugSepOctNovDec273h311h334h332h329h333h339h336h317h315h294h309h
Data source: Matara September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Matara During September

In Matara, Sri Lanka, September offers a 21% chance of sunny weather, marking a slight uptick from the preceding months of August, which sees only an 8% likelihood of clear skies. This trend underscores a gradual transition towards the sunnier conditions characteristic of the later months. Interestingly, while September maintains a moderate chance of sunshine relative to the overall year, it sits lower than the more favorable months of April and December, both reaching 44%. As the region shifts into October, the likelihood of sun dips again to 18%, suggesting that if you're seeking brighter days, early to mid-September is your best window before the typical cloudy and rainy conditions of the subsequent months set in.

Percentage of Sunny Days in September in Matara

The chart illustrates the percentage of sunny days in Matara 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 Matara experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%38%34%45%16%23%15%8%21%18%17%44%
Data source: Matara September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Matara in September

In Matara, Sri Lanka, the daylight duration reveals a captivating rhythm throughout the year. From January to February, daylight remains steady at 11 hours, providing a gentle start to the year. As March arrives, days begin to lengthen, peaking at 12 hours from March through August, reflecting the lush vibrancy of the region. September continues this trend, maintaining the 12-hour daylight average, before the hours of light taper off once again in October and settle back to 11 hours through to December. This consistent pattern underscores a moderate climate conducive to both daily life and vibrant outdoor activities, making Matara a delightful destination year-round.

Average Daylight Hours in Matara for September

The chart illustrates the variation in daylight duration in Matara throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 48m11h 55m12h 4m12h 14m12h 22m12h 26m12h 24m12h 17m12h 7m11h 58m11h 50m11h 46m
Data source: Matara daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Matara

As September rolls into Matara, Sri Lanka, the coastal breeze dances gently at an average wind speed of 5.0 m/s (11 mph). This month marks a slight decline from the robust winds of July and August, yet it continues to outpace the calmer months at the year's start. The progression of wind speeds throughout the year reveals an intriguing pattern: starting from a mere 2.0 m/s (4 mph) in January, the winds steadily build up to their peak in July before gracefully tapering off in the fall. In September, this gentle shift in the breeze invites a refreshing change, maintaining a lively atmosphere that complements the vibrant coastal life in this picturesque setting.

Average September Wind Speed in Matara

The chart displays monthly wind speed patterns in Matara, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.01.92.42.74.15.35.85.25.0 m/s4.33.92.1
Data source: Matara September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Matara Compares to Other Months

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

In September, the weather tends to be warmer and more humid compared to January, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 31°C (88°F). This month also sees significant precipitation, with 209 mm (8.2 in) falling over 26 days, resulting in a humidity level of 82%. In contrast, January features slightly cooler nights with a minimum temperature of 21°C (70°F) and a high of 34°C (93°F), yet it experiences much less rainfall, totaling only 85 mm (3.3 in) over 12 days, and maintains a humidity level of 80%. For a detailed look at January's climate, you can check out Matara weather in January.

September and February present notable differences in weather patterns. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), with an average of 26°C (80°F). This month is characterized by high humidity at 82% and significant rainfall, totaling 209 mm (8.2 in) over 26 days. In contrast, February boasts slightly warmer temperatures with a minimum of 21°C (71°F) and a maximum of 35°C (95°F), averaging around 27°C (81°F). Precipitation in February is considerably lighter at 77 mm (3.0 in) occurring over just 13 days, alongside somewhat lower humidity at 77%. For more specific details about February weather conditions, you can visit Matara weather in February.

When comparing the weather in September and March, we find some intriguing similarities and differences. Both months experience warm temperatures, with September averaging 26°C (80°F) and March slightly warmer at 27°C (81°F). However, March can reach a higher maximum temperature of 34°C (94°F), compared to September's max of 31°C (88°F). Precipitation also varies significantly, as September sees much heavier rainfall at 209 mm (8.2 in) over 26 days, while March has a total of 121 mm (4.8 in) over just 21 days, reflecting a drier climate. Additionally, humidity levels are slightly lower in March at 77% compared to September's 82%. For more details, you can visit Matara weather in March.

In September, the weather is characterized by slightly cooler average temperatures, ranging from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), while April experiences a warmer range with a minimum of 23°C (74°F) and a maximum of 33°C (92°F). Both months are quite humid, with September showing a higher humidity level of 82% compared to April’s 77%. Rainfall is more prevalent in September, accumulating 209 mm (8.2 in) over 26 days, whereas April sees less precipitation at 172 mm (6.8 in) across 25 days. Overall, April tends to be warmer and slightly drier, making it a more favorable time for outdoor activities. For more detailed information, you can check Matara weather in April.

In comparing the weather of September and May, both months feature warm temperatures, but May slightly edges out with an average temperature of 27°C (82°F) compared to September's 26°C (80°F). September brings a minimum temperature of 23°C (74°F) and peaks at 31°C (88°F), while May starts at a minimum of 24°C (75°F) and reaches up to 32°C (90°F). However, September experiences more precipitation with 209 mm (8.2 in) over 26 days, in contrast to May's 252 mm (9.9 in) spread across 29 days. Additionally, September has a higher humidity level of 82%, whereas May's humidity is slightly lower at 76%. For more detailed information about the weather conditions in May, you can check Matara weather in May.

In comparing the weather of September and June, both months exhibit warm temperatures, with September experiencing a minimum of 23°C (74°F) and an average of 26°C (80°F), while June starts slightly higher with a minimum of 24°C (75°F) and an average of 27°C (81°F). June also boasts a max temperature of 32°C (89°F), just slightly above September’s max of 31°C (88°F). However, September is marked by higher precipitation levels, receiving 209 mm (8.2 in) over 26 days, compared to June's 189 mm (7.4 in) across 28 days. Humidity remains consistent in both months, with September at 82% and June at 83%. For a closer look at the weather conditions in June, you can visit Matara weather in June.

Comparing the weather in September and July reveals some intriguing differences. Both months experience similar temperature ranges, with September averaging 26°C (80°F) and July slightly warmer at 27°C (81°F). However, September sees significantly higher precipitation, measuring 209 mm (8.2 in) over 26 days, compared to July's 156 mm (6.1 in) over 27 days. Humidity is also slightly higher in September at 82%, versus 81% in July. These factors suggest that while the temperatures are comparable, September is generally wetter and a bit more humid. For more detailed information, you can visit Matara weather in July.

When comparing the weather between August and September, we see some notable differences. September features slightly higher temperatures with a minimum of 23°C (74°F) and a maximum of 31°C (88°F), compared to August's minimum of 24°C (75°F) and maximum of 30°C (87°F). While the average temperature is fairly consistent between the two months at around 26°C (80°F), September experiences more rainfall, totaling 209 mm (8.2 in) across 26 days, in contrast to August's 170 mm (6.7 in) over 27 days. Despite these variations, both months maintain a humid atmosphere with humidity levels consistently at 82%. For a detailed look at August weather in this region, you can visit Matara weather in August.

September and October share similar temperature ranges, with minimums at 23°C (74°F), averages at 26°C (80°F), and maximums reaching 31°C (88°F). However, October sees a slight increase in precipitation levels, totaling 258 mm (10.2 in) over 27 days, compared to September’s 209 mm (8.2 in) over 26 days. Humidity also rises marginally in October, reaching 83% compared to 82% in September. For more details on October weather, visit Matara weather in October.

In comparing the weather of September and November, both months exhibit remarkably similar temperature ranges, with minimums around 23°C (74°F), averages at 26°C (80°F), and maximums peaking near 31°C (88-89°F). However, November tends to be slightly wetter, receiving 261 mm (10.3 in) of precipitation compared to September's 209 mm (8.2 in), while both months experience rain on approximately 26 days. Additionally, humidity levels are closely aligned, with September at 82% and November slightly lower at 81%. For more detailed insights into November's weather, you can visit Matara weather in November.

In comparing the weather between September and December, both months exhibit a similar temperature range, with September featuring a minimum of 23°C (74°F) and a maximum of 31°C (88°F), while December sees temperatures ranging from a minimum of 22°C (73°F) to a maximum of 32°C (89°F). The average temperature remains constant at 26°C (80°F) for both months. However, September experiences significantly more rainfall, with 209 mm (8.2 in) spread over 26 days, compared to December’s 188 mm (7.4 in) over just 21 days. Despite these differences in precipitation, both months maintain a high humidity level of 82%, contributing to a consistently warm and humid atmosphere. For more detailed insights into December weather patterns, you can refer to Matara weather in December.

Compare Matara's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Matara

As we transition into September, Matara experiences a distinct shift in weather patterns compared to the drier months earlier in the year. With average temperatures hovering around a warm 26°C (80°F), this month is characterized by its high humidity levels of 82% and significant rainfall, receiving about 209 mm (8.2 inches) over 26 days. The frequent showers transform the landscape, providing a vibrant contrast to the drier, sunnier months, making September a lush and lively time to explore the region. For a deeper look into Matara's climate throughout the year, check out Matara Climate.