September Weather in Hatton, Sri Lanka

Last updated: March 19, 2025

September in Hatton, Sri Lanka, is characterized by a mild climate marked by an average temperature of 23°C (73°F), with daily highs reaching a maximum of 28°C (83°F) and lows dipping to 18°C (64°F). This month witnesses significant precipitation, totaling 286 mm (11.2 in) over 26 rainy days, contributing to the lush greenery of the region. The high humidity level of 81% fosters a tropical ambiance, making it an ideal time for those who appreciate the vibrant beauty of nature during the rain-soaked season. Prepare for wet weather and enjoy the serene landscape that September brings to Hatton.

September Temperature in Hatton

September in Hatton, Sri Lanka marks a gentle transition in temperature before the cooler months of the year. With minimums resting around 18°C (64°F) and averages peaking at 23°C (73°F), the climate is pleasantly warm yet comfortable. The maximum temperatures during this month hover around 28°C (83°F), mirroring the trend seen over the previous months, where the warmth remains consistent from July to September. As the region moves towards October, slight dips in temperature herald the approach of autumn, yet September still encapsulates a delightful blend of mild warmth, making it an appealing time for visitors seeking to explore the lush landscapes of Sri Lanka.

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

The chart illustrates September temperature patterns in Hatton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec727374757574737373737373
Data source: Temperature data for Hatton 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 Hatton

In September, Hatton, Sri Lanka, experiences a notable shift in precipitation, with 286 mm (11.2 in) of rainfall over 26 days. This marks a continuation of the wet season that begins to intensify during this month. While September sees a dip in rainfall compared to the preceding months of May and April, it still contributes significantly to the overall annual precipitation, setting the stage for the dramatic increases seen in October and November. The month serves as a transitional period where the lush greenery of the region thrives under consistent moisture, reflecting a prevalent trend of increasing rainfall as the year progresses.

September Precipitation Trends in Hatton

The chart displays monthly precipitation patterns in Hatton, 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.
JanFebMarAprMayJunJulAugSepOctNovDec200240372400425212231253286493639333
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Hatton

In September, Hatton, Sri Lanka, experiences a relative humidity of 81%, creating a lush, tropical ambiance. This month marks a slight decrease from the high humidity levels of August and June, both at 85%, yet remains consistent with July's humidity. The trend throughout the year shows a notable increase as the months transition from March and April—when humidity dips to a comfortable 69%—to the more humid summer months. With October following closely at 89%, September serves as a bridge into the peak of the wet season, where the embrace of moisture in the air offers a preview of the intense humidity to come in the vibrant foliage of Sri Lanka's stunning highlands.

September Average Humidity in Hatton

This chart illustrates the average monthly humidity levels in Hatton, 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 Hatton

In September, the UV Index in Hatton, Sri Lanka, stands at 14, keeping it within the extreme exposure category, just like the preceding months of August and May. This consistent rating signifies that sun protection is crucial, as the risks of burning remain high with a burn time of just 10 minutes. On the whole, the UV Index remains high from January through September, reflecting a trend of vigorous solar intensity throughout much of the year. As the region transitions to October, the index dips slightly to 13, hinting at a gradual shift as the monsoon season approaches. For more detailed information about Hatton’s UV Index and its implications, visit Hatton UV Index.

Maximum UV Index Levels in Hatton for September

The chart shows the monthly maximum UV Index (UVI) for Hatton 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.
JanFebMarAprMayJunJulAugSepOctNovDec131415151413131414131111
Data source: Hatton 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 Hatton

September in Hatton, Sri Lanka, offers a delightful balance of sunshine and scenery, with an impressive 305 hours of sunlight that continues the trend of bright, inviting weather seen throughout the year. Following the peak summer months of July and August, where the sun graced the region with over 330 hours each month, September maintains a warm and welcoming ambiance, perfect for exploring the lush landscapes of this beautiful hill country. While the hours of sunshine taper off into October, the pleasant conditions of September harmonize with the fading warmth of summer, marking a transition that still holds plenty of brightness before the rainy season begins. Whether you're trekking through verdant tea plantations or enjoying the tranquil surroundings, the golden rays of September invite visitors to embrace the vibrant beauty of Hatton.

Monthly Sunshine Duration in Hatton: September Highlighted

The September sunshine duration represents the total number of hours Hatton 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.
JanFebMarAprMayJunJulAugSepOctNovDec265h308h330h330h315h329h333h331h305h292h269h305h
Data source: Hatton September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hatton During September

In Hatton, Sri Lanka, the likelihood of sunny weather in September is relatively low, with only a 12% chance of sunshine. This trend is consistent with the preceding months, where the chance of sun diminishes from 6% in August to this modest figure in September. As the year progresses, particularly after the peak of 46% in December, the overall trend indicates a notable transition into cloudier and wetter conditions, particularly during the mid-year months. Therefore, if you're planning a visit to Hatton in September, be prepared for some overcast days, as this time typically brings less sun than the brighter months that precede and follow it.

Percentage of Sunny Days in September in Hatton

The chart illustrates the percentage of sunny days in Hatton 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 Hatton experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%39%26%38%13%17%11%6%12%11%11%46%
Data source: Hatton September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hatton in September

In September, Hatton, Sri Lanka enjoys a consistent 12 hours of daylight, a trend that began in March and continues through the summer months. This delightful balance of light indicates a tropical climate where daylight remains fairly stable year-round. After a period of ample sunshine during the mid-year, October signals a slight decrease as daylight hours gradually shift back to 11 hours in the later months. The transition showcases the region's enchanting rhythm of day and night, inviting residents and visitors alike to savor the vibrant landscapes during the long, sunlit afternoons.

Average Daylight Hours in Hatton for September

The chart illustrates the variation in daylight duration in Hatton throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 45m11h 53m12h 4m12h 15m12h 25m12h 30m12h 27m12h 19m12h 8m11h 57m11h 47m11h 43m
Data source: Hatton daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Hatton

In September, Hatton, Sri Lanka experiences a gentle breeze with an average wind speed of 1.8 m/s (4 mph), mirroring the conditions of the preceding month. This consistency in wind patterns suggests a transition phase as the region shifts from the slight increase noted in July and June, where the winds picked up momentum, reaching 2.1 m/s (5 mph). Following the mid-year uptick, September's winds are more subdued, signaling a return to calmer breezes that align closely with the early months of the year. As autumn approaches, the rhythmic whispers of the wind become an integral part of Hatton’s serene ambiance, inviting locals and travelers alike to bask in the gentle embrace of nature.

Average September Wind Speed in Hatton

The chart displays monthly wind speed patterns in Hatton, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.21.41.21.21.71.92.11.81.8 m/s1.61.41.3
Data source: Hatton September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Hatton Compares to Other Months

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

September and January exhibit distinct weather patterns. September features a warmer average temperature of 23°C (73°F) with maxima reaching up to 28°C (83°F), while January's average is slightly lower at 22°C (72°F), with a maximum of 29°C (85°F). However, September is wetter, receiving an impressive 286 mm (11.2 in) of rain over 26 days compared to January’s 200 mm (7.9 in) over just 13 days. Humidity levels remain relatively similar, with September at 81% and January at 80%. For more detailed insights, you can explore Hatton weather in January.

In comparing the weather between September and February, both months share an average temperature of 23°C (73°F), but their extremes differ slightly. September typically experiences minimum temperatures of 18°C (64°F) and maximums reaching 28°C (83°F), whereas February sees slightly cooler minimums at 15°C (60°F) and warmer maximums at 30°C (86°F). Precipitation levels are notably higher in September, with an average of 286 mm (11.2 in) over 26 days, compared to February's 240 mm (9.4 in) spread over 20 days. Additionally, humidity is higher in September at 81%, contrasting with February's 72%. For more detailed information about February weather, you can visit Hatton weather in February.

In comparing the weather between September and March, both months showcase warm temperatures with average highs around 23°C (73°F) to 30°C (87°F). September records a minimum of 18°C (64°F), while March slightly lowers to 16°C (62°F). However, March tends to be slightly drier, with 372 mm (14.6 in) of precipitation over 28 days compared to September's 286 mm (11.2 in) over 26 days. Additionally, humidity levels are more comfortable in March at 69%, whereas September experiences a higher humidity of 81%. For a detailed look at the weather patterns in March, you can visit Hatton weather in March.

In comparing the weather of September and April, both months experience warm temperatures, with September having a minimum of 18°C (64°F) and an average of 23°C (73°F), while April boasts slightly higher averages, ranging from a minimum of 18°C (64°F) to an average of 24°C (75°F) and a maximum of 30°C (87°F). However, April tends to be wetter, with precipitation reaching 400 mm (15.8 in) over 28 days, compared to September's 286 mm (11.2 in) over 26 days. Additionally, September has higher humidity levels at 81%, whereas April's humidity is lower at 69%. For a detailed look at the weather specifics during April, you can visit Hatton weather in April.

In comparing September and May, both months have relatively warm temperatures, with September having slightly cooler averages, ranging from a minimum of 18°C to a maximum of 28°C, while May sees temperatures from 19°C to 29°C. However, May tends to be wetter, with a total precipitation of 425 mm over 29 days compared to September's 286 mm over 26 days. Humidity levels are also quite similar, with September at 81% and May slightly lower at 79%. For more detailed weather insights, you can check Hatton weather in May.

When comparing the weather in September and June, both months experience similar average temperatures, hovering around 23°C (73°F). However, September tends to be slightly warmer with a minimum temperature of 18°C (64°F) compared to June's minimum of 19°C (67°F). Precipitation levels are notably higher in September, totaling 286 mm (11.2 in) over 26 days, while June has 212 mm (8.4 in) over 29 days. This results in September being one of the wetter months, contributing to its higher humidity level of 81% compared to June's 85%. For a more detailed look at June weather, visit Hatton weather in June.

In comparing the weather of September and July, both months exhibit similar average temperatures, with September showing a minimum of 18°C and a maximum of 28°C, while July has a minimum of 19°C and the same maximum. However, September is characterized by more significant rainfall, with 286 mm of precipitation over 26 days, compared to July's 231 mm over 29 days. Both months maintain a consistent humidity level of 81%, contributing to a humid atmosphere. For a closer look at July's weather specifics, you can visit this link: Hatton weather in July.

In comparing the weather between August and September, both months experience similar average temperatures, with September showcasing a minimum temperature of 18°C (64°F) and a maximum of 28°C (83°F), compared to August's minimum of 19°C (67°F) and maximum of 28°C (82°F). However, September tends to be wetter, recording 286 mm (11.2 in) of precipitation over 26 days, which is slightly higher than August’s 253 mm (10.0 in) over 27 days. Interestingly, humidity is also marginally lower in September at 81%, compared to August’s 85%. For more detailed insights, you can check the Hatton weather in August.

September and October display similar temperature profiles, with both months featuring a minimum of 18°C (64°F), an average of 23°C (73°F), and a maximum of 28°C (83°F). However, October experiences a significant increase in precipitation, totaling 492 mm (19.4 in) over 29 days, compared to September's 286 mm (11.2 in) across 26 days. Additionally, humidity rises in October, reaching 89%, up from 81% in September, making the atmosphere feel more saturated and damp. For more detailed information, you can refer to Hatton weather in October.

September and November display similar temperatures, with both months featuring minimum temperatures around 17-18°C (63-64°F), average highs of 28°C (83°F), and an overall average of 23°C (73°F). However, November is notably wetter, receiving a significant increase in precipitation, totaling 639 mm (25.1 in) compared to September's 286 mm (11.2 in). Both months share a similar number of rainy days at 26, but November's higher humidity at 88% adds to the overall dampness of the atmosphere. For more information on weather specifics, you can check Hatton weather in November.

September and December weather in Hatton exhibit some similarities and differences. Both months have an average temperature of 23°C (73°F), but December sees slightly higher maximum temperatures reaching 29°C (84°F) compared to September's 28°C (83°F). Additionally, December experiences increased precipitation, with 333 mm (13.1 in) over 22 days, compared to September's 286 mm (11.2 in) over 26 days, making it a wetter month overall. Humidity also rises in December to 86%, up from 81% in September. For more specific details, you can check Hatton weather in December.

Compare Hatton's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Hatton

September in Hatton presents a striking shift in weather compared to other months, with higher humidity levels and frequent rain contributing to the lush, vibrant landscape the region is known for. With an average temperature of around 23°C, daytime warmth coupled with the soothing embrace of cooler evenings makes it an invigorating time to visit, despite the 26 days of precipitation that define the month. This combination of moderate warmth and substantial rainfall fosters a unique atmosphere, perfect for experiencing the natural beauty of the area. To explore more about Hatton's unique climatic features throughout the year, check the details provided at Hatton Climate.