Last updated: March 19, 2025
In September, Bentota, Sri Lanka experiences a warm tropical climate, with maximum temperatures reaching 30°C (86°F) and an average of 27°C (80°F). The weather is characterized by high humidity levels at 82%, making it feel quite muggy. Rainfall is abundant this month, with a remarkable total of 277 mm (10.9 in) spread over 27 days, contributing to the lush greenery of the region. Visitors should be prepared for frequent showers, enhancing the vibrant natural beauty of Bentota while enjoying its tropical allure.
In September, Bentota, Sri Lanka, experiences a delightful warm climate, with temperatures ranging from a comfortable 24°C (75°F) at night to a pleasant 30°C (86°F) during the day. The average temperature hovers around 27°C (80°F), maintaining the tropical charm that attracts visitors. As the month progresses, the pattern of warmth continues from the previous months, with notably consistent temperatures, making it an ideal time for beach activities and exploration. It's evident that as the year transitions into autumn, the warmth remains steady, inviting travelers looking for sun-soaked adventures.
In September, Bentota experiences a significant amount of rainfall, with 277 mm (10.9 in) pouring down over 27 days. This marks a transition from the heavier rains of the preceding months, as August recorded even more precipitation. The frequency of rainy days remains high, reflecting the region's tropical climate and hinting at a continuation of the monsoon season. Notably, September's rains contribute to the cumulative annual total, showcasing the area's lush vegetation and vibrant ecosystem. The consistent wet weather ensures that the landscape remains stunningly green, making it a picturesque time to enjoy the natural beauty of Sri Lanka.
September in Bentota, Sri Lanka, witnesses a humidity level of 82%, maintaining the trend of high moisture that characterizes the region's climate. Following a gradual increase from 77% in January to 83% in August, September's humidity remains consistent with the peak summer months. This pattern indicates a slight dip in comparison to the preceding month but aligns closely with the lush, tropical atmosphere that defines this coastal paradise. As the year progresses, humidity typically hovers around the 80% mark, hinting at the wet conditions prevalent in the latter part of the year, perfect for those who revel in the vibrant, flourishing landscape of Sri Lanka.
In September, Bentota, Sri Lanka, experiences a UV Index of 14, categorizing the sunlight as extreme and necessitating careful sun protection, as the burn time is a mere 10 minutes. This monthly reading aligns with previous months like February, March, August, and May, where the UV Index also peaked at 14 or higher. The consistent trend of high UV levels underscores the necessity for sun safety throughout the year, particularly as Bentota's tropical climate fosters an intensity that can quickly lead to skin damage. For those planning a visit or enjoying the sun, it's crucial to stay aware and take precautions. Learn more about the UV situation throughout the year by visiting Bentota UV Index.
UV Risk Categories
September in Bentota, Sri Lanka, brings a delightful continuation of warmth and sunshine, offering an impressive 308 hours of sunshine. This month sits comfortably within the peak sunlight period, showcasing a trend of consistent brightness that begins in January and maintains its strength through to the end of the year. Following the sun-drenched months of July and August, which also exceed 327 hours, September's sunshine remains abundant, hinting at the delightful weather awaited by visitors. As the year progresses, the gradual decline in sunshine hours begins, but the charm of Bentota's golden coast remains ever-present, making September a captivating choice for those seeking a blissful beach retreat.
In September, Bentota, Sri Lanka experiences a 19% chance of sunny weather, marking a slight increase compared to the preceding months, where the chances of sunshine are notably lower, particularly in August at just 8%. This period transitions from the drier months towards the wetter ones, as seen in the fluctuating percentages throughout the year. While September may not shine as brightly as the high-sun months of February or December, it does offer a modest opportunity for sunshine, making it a time for travelers to enjoy the serene beauty of the region amidst occasional cloud cover. As the year progresses into more favorable conditions, September serves as a bridge, hinting at the sunnier days to come.
In September, Bentota, Sri Lanka, enjoys a delightful 12 hours of daylight, a continuation of the consistent pattern seen throughout the summer months. Following the brisk start to the year with 11 hours in January and February, the days gradually lengthen, peaking at 12 hours from March through September. This extended daylight creates an ideal setting for outdoor activities and exploration, making it a perfect time to soak in the sun-kissed beaches and vibrant local culture. As September transitions into October, daylight begins to shorten once again, returning to 11 hours—a gentle reminder of nature's rhythms. Overall, the steady daylight hours during this period reflect the tropical climate and enhance the charm of Bentota as a year-round destination.
In September, Bentota, Sri Lanka experiences a delightful breeze with an average wind speed of 4.2 m/s (9 mph), marking a slight dip from the previous months of July and August, which saw even stronger winds averaging around 4.8 m/s (11 mph) and 4.3 m/s (10 mph) respectively. This transition into September signals the end of the peak wind season, as it begins to taper off towards the calmer months ahead. As the year progresses, the wind speed tends to decrease, dipping to 3.6 m/s (8 mph) in both October and November, before settling at its lowest in December, where the winds mellow to just 2.0 m/s (4 mph). This gentle shift not only enhances the coastal charm of Bentota but also makes it an ideal time for leisurely strolls along the beach, as the winds maintain a pleasant warmth amidst the picturesque tropical scenery.
The weather in Bentota 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 Bentota and find detailed weather information for every month.
September and January offer distinct weather contrasts. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 30°C (86°F), with an average of 27°C (80°F). This month is characterized by high humidity at 82% and significant rainfall, totaling 277 mm (10.9 in) over 27 days, making it quite wet and humid. Conversely, January enjoys slightly cooler temperatures, with a minimum of 20°C (69°F), an average of 26°C (80°F), and a peak of 31°C (89°F). Precipitation drops significantly to 76 mm (3.0 in) over just 9 days, and humidity is lower at 77%. The differences in rainfall and humidity levels make January a more pleasant month for outdoor activities compared to the often rainy September. For more detailed information on January weather, visit Bentota weather in January.
In comparing the weather between September and February, September presents a warmer and noticeably wetter climate. With average temperatures hovering around 27°C (80°F) and maximums reaching 30°C (86°F), it is typically more humid, experiencing an average humidity of 82% and about 277 mm (10.9 in) of precipitation over 27 days. In contrast, February maintains a similar average temperature of 27°C (81°F) but boasts a higher maximum of 32°C (90°F) and significantly less rainfall, totaling just 65 mm (2.5 in) over 11 days, resulting in lower humidity at 73%. For a more detailed look at February weather, you can check Bentota weather in February.
In September, the weather is typically warm and humid, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 30°C (86°F), accompanied by high humidity at 82%. The month sees significant rainfall, averaging 277 mm (10.9 in) over 27 days, making it one of the wetter months of the year. In contrast, March offers slightly warmer daytime conditions, with a maximum of 32°C (90°F) and average temperatures around 27°C (82°F). Rainfall is considerably lower at 118 mm (4.7 in) over 16 days, and the humidity dips to 74%. For a closer look at Bentota's weather during this month, check out Bentota weather in March.
In September, the weather typically features temperatures ranging from a minimum of 24°C (75°F) to a maximum of 30°C (86°F), with an average of 27°C (80°F). This month is characterized by high humidity at 82% and significant rainfall, accumulating 277 mm (10.9 in) over 27 days.
In contrast, April offers slightly warmer temperatures with a minimum of 24°C (76°F) and a peak of 33°C (91°F), averaging 28°C (82°F). April experiences considerably less rainfall, with only 144 mm (5.7 in) across 24 days, and lower humidity at 74%.
For more details, visit Bentota weather in April.
When comparing the weather in September and May, both months showcase warm temperatures, with September having a minimum of 24°C (75°F) and an average of 27°C (80°F), while May starts slightly warmer with a minimum of 25°C (77°F) and an average of 28°C (82°F). However, May tends to be slightly hotter overall, peaking at 31°C (88°F) compared to September's maximum of 30°C (86°F). Precipitation is more abundant in May, with 347 mm (13.7 in) over 30 days, compared to September's 277 mm (10.9 in) over 27 days. Despite the higher temperatures in May, the humidity is marginally lower at 76% compared to September's 82%. For more detailed information on May weather, check out Bentota weather in May.
In comparing the weather of September and June, both months feature similar temperature ranges, with averages of 27°C (81°F) and maximums reaching 30°C (86°F). However, June tends to have slightly higher minimum temperatures, averaging 25°C (77°F) compared to September's 24°C (75°F). When it comes to precipitation, June is wetter, with 330 mm (13.0 in) over 29 days, while September sees a lower total of 277 mm (10.9 in) across 27 days of rain. Both months maintain a consistent humidity level of 82%. For more detailed information, you can check Bentota weather in June.
In comparing the weather in September to that of July, both months experience similar high temperatures, with average temperatures hovering around 27°C (81°F) and maximums reaching 30°C (86°F). However, September tends to be slightly wetter, receiving 277 mm (10.9 in) of precipitation over 27 days, compared to July's 263 mm (10.4 in) over 29 days. Interestingly, despite the increased rainfall in September, the humidity remains constant at 82% for both months, creating a consistently tropical feel. For those looking to explore the region, you can find more detailed information on July conditions here: Bentota weather in July.
In comparing the weather between August and September, we see that both months maintain a similar temperature profile, with September having an average temperature of 27°C (80°F) and a maximum of 30°C (86°F), slightly warmer than August, which peaks at 29°C (85°F). However, September experiences a notable decrease in total precipitation, with 277 mm (10.9 in) over 27 days, compared to August's 296 mm (11.6 in) over 29 days. Humidity levels remain fairly consistent, with September at 82% and August slightly higher at 83%. For a closer look at August weather specifics, you can visit Bentota weather in August.
September and October weather in the region shows only slight variations in temperature and humidity. While both months share similar temperature ranges, with minimums at 24°C (75°F) and average highs around 30°C (86°F in September and 85°F in October), October experiences a slight increase in precipitation, totaling 324 mm (12.7 in) over 30 days compared to September's 277 mm (10.9 in) over 27 days. The humidity remains consistently high, with September at 82% and October slightly lower at 81%. These changes indicate that October tends to be wetter and slightly cooler than September. For more detailed information, you can check Bentota weather in October.
In comparing the weather between September and November, both months exhibit warm temperatures, with September slightly warmer on average (27°C) than November (26°C). The maximum temperature remains consistent at 30°C (86°F) for both months. However, September experiences higher humidity levels at 82% compared to November's 80%. Precipitation is notably high in both months, with September seeing 277 mm over 27 days and November recording 292 mm over 26 days. For more detailed information, you can visit Bentota weather in November.
In comparing the weather between September and December, we notice that September tends to be slightly warmer, with average temperatures around 27°C (80°F) and a maximum of 30°C (86°F). In contrast, December has a similar maximum temperature of 30°C (87°F) but a slightly lower average of 26°C (80°F). September also experiences significantly higher precipitation, totaling 277 mm (10.9 in) over 27 days, while December sees much less rainfall at 188 mm (7.4 in) across 19 days. Humidity levels remain relatively high in both months, at around 82% in September and 80% in December. For a detailed outlook on December weather, you can check Bentota weather in December.
In September, Bentota experiences a shift in weather as the monsoon season takes hold, bringing with it a notable increase in humidity and precipitation. Compared to the drier months, the air feels heavier, with more frequent rain showers interrupting sunny spells. This month typically showcases maximum temperatures that are slightly cooler than the peak summer months but remain comfortably warm. While the lush landscapes thrive thanks to the abundant rainfall, visitors should prepare for occasional downpours and humid conditions. For more detailed insights into Bentota's climate throughout the year, explore Bentota Climate.