Last updated: March 19, 2025
In September, Batticaloa, Sri Lanka, experiences warm tropical conditions characterized by an average temperature of 28°C (83°F), reaching a maximum of 32°C (90°F) and dipping to a minimum of 25°C (78°F). This month witnesses a notable humidity level of 81%, contributing to a lush, vibrant atmosphere. Rainfall is common, with total precipitation reaching 68 mm (2.7 in) spread over approximately 14 days, creating a refreshing, albeit humid, environment. Visitors can expect a mix of sunshine and showers, perfect for experiencing the rich natural beauty of this coastal region.
In Batticaloa, Sri Lanka, September brings a delightful warmth, with temperatures averaging 28°C (83°F) and reaching a maximum of 32°C (90°F). The month begins with nights that are comfortably mild, dipping to a minimum of 25°C (78°F). As the previous months have shown, the region experiences a gradual increase in temperature, peaking in May and June, and then stabilizing slightly as it transitions into the more temperate months of October and November. This trend indicates a consistent tropical climate, making September an inviting time to enjoy Batticaloa's beautiful coastline and cultural richness before the cooler months set in. The lingering warmth combined with the rhythmic lull of the Indian Ocean makes it a perfect month for visitors seeking to bask in this vibrant locale.
In September, Batticaloa experiences a noticeable increase in precipitation, receiving 68 mm (2.7 in) of rain over 14 days. This marks a transition into the wetter months as the region gears up for October's more intense rainfall, which averages 166 mm (6.5 in). The September rainfall is a significant uptick compared to the drier summer months, such as June and July, which recorded just 27 mm (1.0 in) and 32 mm (1.2 in), respectively. As the monsoon season gains momentum, the gradual shift in precipitation patterns signals the arrival of the heavier downpours that characterize the latter part of the year, particularly November, when Batticaloa sees its peak rainfall.
September in Batticaloa, Sri Lanka, brings a relative humidity level of 81%, marking a slight decrease from the peak of 85% seen in the preceding months of June and August. This month reflects the transitional phase as the region shifts towards the more humid conditions of October and November, which average around 89% and 88%, respectively. Notably, September’s humidity is still higher than the initial months of the year, such as January with 80% and February with 72%, illustrating a distinct seasonal pattern. As the year progresses, these humidity levels create a warm and sometimes oppressively humid atmosphere, characteristic of Batticaloa's tropical climate.
September in Batticaloa, Sri Lanka, sees a UV Index of 14, categorizing it in the extreme exposure zone with a burn time of just 10 minutes. This month continues a consistent trend seen throughout the year, where high UV levels persist from January through October, peaking at a remarkable 15 in March and April. As the climate heats up, careful sun protection is essential for residents and visitors alike. Awareness of such intense UV conditions is crucial to enjoying the beautiful sunshine while minimizing the risk of sunburn. For more detailed information on UV levels and safety tips, check out Batticaloa UV Index.
UV Risk Categories
September in Batticaloa, Sri Lanka, offers a delightful 329 hours of sunshine, making it a perfect time for both relaxation and exploration. As the monsoon recedes, the days are predominantly bright, complemented by the warmth of the preceding months, which saw an impressive peak of 345 hours in May. The trend of sunny skies continues from the summer, with hours of sunshine gradually diminishing as the year progresses, particularly from November onward. However, September still stands out as a vibrant month, inviting visitors to bask in the golden rays that illuminate the beautiful coastal landscapes.
In Batticaloa, Sri Lanka, September offers a moderate chance of sunny weather, with about 24% likelihood of sunshine gracing the region. This marks a slight uptick compared to the cloud-drenched August, where the sun peeks through only 7% of the time. Analyzing the broader seasonal trends, it’s clear that as the year progresses from the dry April (56%) to the wetter late summer months, sunshine becomes less frequent, particularly in the rainy season peaking during late monsoon. However, as the transition into October occurs, the chance of sun remains steady at 20%, suggesting that September can still capture the tail end of warmer, clearer weather. For those considering a visit this month, there is a promising opportunity for sunny days amid the fluctuating tropical climate.
September in Batticaloa, Sri Lanka, is characterized by a consistent 12 hours of daylight, marking the continuation of a notable trend observed since March. The region enjoys prolonged daylight during the mid-year months, from March through September, making it an ideal time for outdoor activities and exploration. As the year progresses towards October, daylight begins to taper off, decreasing to 11 hours, a shift that signals the approach of the cooler months. This gradual transition emphasizes the rhythm of Batticaloa's climate, where extended bright days in the latter half of the year foster a vibrant atmosphere before the return to shorter daylight hours.
September in Batticaloa, Sri Lanka, greets visitors with gentle breezes, as the average wind speed dips to 2.9 m/s (6 mph). This marks a subtle shift from the preceding months, where wind speeds have been relatively stable, hovering around 3.2 m/s to 4.4 m/s. As the tail end of the dry season approaches, the calmness of September presents a serene atmosphere, contrasting with the slightly stronger gusts experienced earlier in the year. With the winds beginning to slacken, this month embodies a transitional feel, setting the stage for the impending changes that come with the monsoon season. The soft winds invite relaxation, allowing residents and visitors alike to embrace the tranquil charm of Batticaloa’s coastal beauty.
The weather in Batticaloa 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 Batticaloa and find detailed weather information for every month.
When comparing the weather in September and January, we can see some notable differences. September experiences slightly warmer temperatures, with an average of 28°C (83°F) and maximums reaching up to 32°C (90°F). In contrast, January is cooler, with an average temperature of 26°C (79°F) and a maximum of 29°C (84°F).
Precipitation levels are significantly higher in January, totaling 139 mm (5.5 in) compared to September's 68 mm (2.7 in), although both months see rainfall on about 14 days. Humidity levels remain relatively consistent, with September at 81% and January slightly lower at 80%. For a more detailed look at January specifics, check out Batticaloa weather in January.
In comparing the weather between September and February, September tends to be slightly warmer, with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 32°C (90°F). In contrast, February experiences cooler temperatures, averaging between 24°C (75°F) and 29°C (85°F). Both months see substantial rainfall, with September receiving 68 mm (2.7 in) over 14 days and February reporting slightly higher precipitation at 77 mm (3.0 in) across 15 days. Humidity levels are also notable, with September at 81%, which is higher than February's 72%. For more specific details about February weather, you can check the following link: Batticaloa weather in February.
September and March display a fairly similar temperature profile, with both months featuring warm conditions. In September, average temperatures range from a minimum of 25°C (78°F) to a maximum of 32°C (90°F), while March shows slightly lower averages of 25°C (77°F) to 31°C (88°F). Both months experience high humidity, but September is notably more humid at 81%, compared to March's 69%. In terms of precipitation, September receives 68 mm (2.7 in) over about 14 days, while March has slightly less, at 64 mm (2.5 in) across 12 days. For more detailed information, you can check out Batticaloa weather in March.
Both September and April showcase similar temperature ranges, with minimum temperatures around 25°C (78°F), average temperatures at 28°C (83°F), and maximum temperatures peaking at 32°C (90°F). However, a notable difference lies in their precipitation levels: September experiences significantly more rain with 68 mm (2.7 in) over 14 days, compared to April's lighter rainfall of 41 mm (1.6 in) over just 10 days. Furthermore, humidity is higher in September at 81%, while April is relatively drier with a humidity of 69%. For a closer look at April weather specifics, visit Batticaloa weather in April.
When comparing the weather in September and May, both months exhibit warm temperatures and high humidity. September typically sees slightly lower average temperatures, with a range from 25°C (78°F) to a maximum of 32°C (90°F), while May is a bit warmer, averaging between 26°C (79°F) and 34°C (93°F). Precipitation is also an important factor, with September receiving 68 mm (2.7 in) of rainfall over 14 days, compared to May's 57 mm (2.2 in) spread over 13 days. The humidity is quite similar, hovering around 81% in September and 79% in May, contributing to the overall muggy feel. For more details, you can check Batticaloa weather in May.
In comparing the weather of September and June, we see that both months host warm temperatures, but June tends to be slightly hotter overall, with average highs reaching 34°C (93°F) compared to September's maximum of 32°C (90°F). September features a lower average temperature of 28°C (83°F) against June's 30°C (86°F). Rainfall is notably higher in September, accumulating 68 mm (2.7 in) across 14 days, whereas June experiences only 27 mm (1.0 in) of precipitation over 7 days, translating to a drier month. Humidity levels are also quite high in both months, with September at 81% and June slightly higher at 85%. For a closer look at the specifics of June's weather, you can check out Batticaloa weather in June.
In comparing the weather between July and September, both months feature similar minimum temperatures of around 25°C (78°F) and maintain high humidity levels at 81%. However, July tends to be hotter on average, with an average temperature of 29°C (85°F) and a maximum of 34°C (93°F), compared to September's average of 28°C (83°F) and maximum of 32°C (90°F). Additionally, July experiences significantly less precipitation, with only 32 mm (1.2 in) over 9 days, while September encounters more rainfall, totaling 68 mm (2.7 in) spread across 14 days. For a closer look at the specific weather patterns, you can check out the details in Batticaloa weather in July.
In comparing the weather between September and August, both months exhibit warm temperatures, with September registering a minimum of 25°C (78°F), an average of 28°C (83°F), and a maximum of 32°C (90°F). In contrast, August is slightly warmer overall, with a minimum of 25°C (77°F), an average of 29°C (84°F), and a maximum of 33°C (92°F). Notably, September experiences more precipitation, totaling 68 mm (2.7 in) over 14 days, compared to August's 34 mm (1.3 in) over 8 days. Humidity levels are also slightly lower in September at 81%, while August maintains a higher humidity at 85%. For more detailed information, you can visit Batticaloa weather in August.
In September, the weather features a warm range of temperatures with a minimum of 25°C (78°F) and a maximum of 32°C (90°F), accompanied by an average temperature of 28°C (83°F). The month sees a total precipitation of 68 mm (2.7 in) spread over 14 days, with humidity levels around 81%. In contrast, October maintains similar temperature ranges, but experiences increased rainfall, with precipitation reaching 166 mm (6.5 in) over 20 days and humidity rising to 89%. The shift to October marks a notable increase in both precipitation and humidity, indicating a more humid and wetter climate. For more specific insights, you can check Batticaloa weather in October.
In September, the weather is characterized by warm temperatures, with minimums around 25°C (78°F) and maximums reaching up to 32°C (90°F). The month sees an average of 28°C (83°F), coupled with considerable humidity at 81% and a total precipitation of 68 mm (2.7 in) spread over 14 days. In contrast, November experiences a slight decrease in temperature, averaging 27°C (80°F), with highs of 30°C (87°F) and a minimum of 24°C (75°F). However, November is significantly wetter, receiving 313 mm (12.3 in) of rainfall over 24 days, alongside higher humidity at 88%. For more details about the weather during this month, you can check Batticaloa weather in November.
In September, the weather is characterized by warm temperatures, with a minimum of 25°C (78°F) and an average of 28°C (83°F), peaking at 32°C (90°F). Precipitation during this month amounts to 68 mm (2.7 in), spread over approximately 14 days, and humidity levels average around 81%. In contrast, December sees slightly cooler temperatures, with a minimum of 24°C (75°F) and an average of 26°C (80°F), maxing out at 29°C (85°F). However, this month experiences significantly higher rainfall, totaling 246 mm (9.7 in) over about 22 days, alongside increased humidity at 86%. For more detailed information, check out Batticaloa weather in December.
As September unfolds in Batticaloa, the weather begins to shift, bringing a blend of warmth and moisture that sets it apart from the drier months. Average temperatures hover around a pleasant 28°C, while the humidity climbs to a tropical 81%, creating a lush atmosphere. The region experiences an increase in precipitation, with about 14 days of rain, contributing to a total of 68 mm for the month. This transitional climate not only invigorates the landscape but also enhances the local experience, making September an intriguing time for visitors. For a comprehensive look at how these conditions fit into the bigger picture of Batticaloa's year-round climate, explore our detailed page on Batticaloa Climate.