Last updated: April 22, 2025
Experience the vibrant climate of Tamarindo, Mexico in September, where temperatures soar to a maximum of 37°C (99°F), with an inviting average of 27°C (81°F) and a comfortable minimum of 21°C (70°F). This tropical paradise sees significant rainfall, receiving 253 mm (10.0 in) of precipitation over 25 days, contributing to its lush landscape. With humidity levels reaching a sultry 86%, visitors can expect a warm, tropical atmosphere perfect for those seeking an immersive experience in this beautiful coastal destination.
As September rolls into Tamarindo, Mexico, temperatures begin to reveal a blend of warmth and comfort. With minimums around 21°C (70°F) and an average of 27°C (81°F), the month continues to bask in summer's embrace, though cooling slightly from the peak heat of earlier months. The maximum temperature, consistent at 37°C (99°F), mirrors the warmth felt in August, suggesting that while the intense summer heat lingers, September heralds the gradual onset of more temperate days. This combination of consistent warmth and moderate evenings creates an inviting atmosphere, perfect for enjoying Tamarindo's beautiful beaches and vibrant local culture.
September in Tamarindo, Mexico, marks the height of the rainy season, with precipitation peaking at 253 mm (10.0 in) across an average of 25 rainy days. This impressive rainfall not only surpasses all other months but also underscores a trend of increasing precipitation that begins in May and builds to its crescendo in September. As the rainy season progresses from June through August, consistent downpours lay the groundwork for this dramatic spike. After September, rainfall decreases significantly, leading into the dryer months of October and November, where the totals drop sharply to 113 mm (4.4 in) and 44 mm (1.7 in), respectively. This notable contrast highlights September as a pivotal month in Tamarindo's climatic rhythm, where lush landscapes thrive but also remind visitors to prepare for the frequent showers.
In Tamarindo, Mexico, September sees a notable uptick in humidity, with levels reaching 86%—a slight increase from the previous months and a precursor to the more humid fall. This month typically experiences a blend of lingering summer warmth and the onset of the rainy season, as humidity begins to rise after a steady decline from January's peak of 88%. Throughout the year, humidity remains relatively high, with figures mostly oscillating between 81% and 91%. The trend clearly illustrates that while September marks a slight reprieve from the peak dry months, the subsequent months of October and November usher in even more moisture, culminating in a yearly high of 91% as the year winds down.
September in Tamarindo, Mexico, witnesses a persistent surge in the UV Index, peaking at 13, classified as extreme. This indicates that sun exposure during this month can lead to potential skin damage in as little as 10 minutes. Following a trend established earlier in the summer, September continues the region's theme of intense sunlight, mirroring July and August's conditions. With such high levels of UV radiation, it's crucial for visitors and locals alike to prioritize sun safety measures, including wearing protective clothing and applying sunscreen generously. For those looking to plan their outdoor activities, understanding the implications of the UV Index is essential. To learn more about the UV Index for Tamarindo, visit Tamarindo UV Index.
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As summer rolls into September, Tamarindo, Mexico, continues to bask in a generous 291 hours of sunshine, making it a perfect retreat for sun-seekers. This month reflects a slight dip from the sun-drenched peaks of July and August, which enjoyed an impressive 324 and 317 hours respectively. However, September's sunshine still outshines the earlier months of the year, consistently showcasing the region’s allure. Notably, the tail end of the rainy season means slightly cooler evenings, providing a refreshing contrast to the vibrant days that lie ahead. With October promising 302 hours of sunshine, Tamarindo's coastal charm remains irresistible, inviting visitors to embrace its sun-kissed beaches and vibrant culture well into the fall.
When planning a getaway to Tamarindo, Mexico, it's important to consider the likelihood of sunny weather in September, where the chance of sunshine drops to 22%. This marks a continuation of the downward trend in sunlit days that begins in the summer months, indicating that September tends to be less favorable for outdoor activities compared to the drier months earlier in the year. In contrast, the sunshine peaks significantly in the earlier months, with January and February boasting the most reliable weather at 33% and 56% respectively. As you look forward to a sun-soaked vacation, keep in mind that for optimal beach days, late dry season conditions in the preceding months will serve you better than a September escape, where cloud cover may take center stage.
In Tamarindo, Mexico, September marks a delightful transition as daylight reaches approximately 12 hours. This duration reflects a slight decrease from the peak summer months, where daylight stretches to 13 hours in both June and July. Interestingly, the gradual shift from longer days to shorter ones is evident as we move from May to October. After basking in the glorious brightness of summer, September continues to offer ample sunlight, making it a wonderful time to enjoy the vibrant beaches and the lush surroundings. As daylight wanes into fall, it sets the stage for a cozy atmosphere, with the promise of shorter days ahead.
As September graces Tamarindo, Mexico, the winds whisper softly, averaging around 1.5 m/s (3 mph). This gentle breeze mirrors a trend seen throughout the summer months, where wind speeds gradually dipped from a peak in March. The transition to autumn brings a slight reprieve from the stronger gusts of earlier in the year, illustrating a consistent lull that characterizes this tranquil period. Whether you're lounging on the beach or exploring the vibrant coastal scenery, the soft September winds create a serene ambiance that enhances the charm of this tropical paradise.
The weather in Tamarindo 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 Tamarindo and find detailed weather information for every month.
September and January exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 21°C (70°F) to a peak of 37°C (99°F), with an average temperature of 27°C (81°F). The month is characterized by significant precipitation, receiving 253 mm (10.0 in) over 25 days, leading to a high humidity level of 86%. In contrast, January offers milder temperatures, with a minimum of 13°C (57°F) and an average of 22°C (72°F). Although it can reach as high as 38°C (100°F), the month sees much less rainfall, totaling only 24 mm (0.9 in) over just 5 days, resulting in a slightly higher humidity of 88%. For detailed information, please refer to this resource: Tamarindo weather in January.
September and February exhibit distinct weather patterns, highlighting the transition from late summer to early spring. In September, temperatures typically range from a balmy 21°C (70°F) to a sweltering 37°C (99°F), accompanied by significant rainfall of 253 mm (10.0 in) over 25 days, resulting in an average humidity of 86%. In contrast, February experiences milder temperatures, with lows of 10°C (51°F) and highs reaching 41°C (105°F), but with only 22 mm (0.9 in) of precipitation falling over just 3 days, maintaining the same humidity level of 86%. This stark difference in rainfall and temperature patterns makes February a drier and slightly cooler month compared to the wet and warm conditions of September. For more details about the weather in February, refer to Tamarindo weather in February.
The weather in September and March varies significantly, particularly in terms of temperature and precipitation. September experiences a warmer average temperature of 27°C (81°F), with highs reaching up to 37°C (99°F). However, it is also quite wet, receiving 253 mm (10.0 in) of rainfall over 25 days, resulting in a humidity level of 86%. In contrast, March boasts a slightly cooler average temperature of 25°C (78°F) and can even peak at a scorching 41°C (106°F). The month is remarkably drier, receiving only 24 mm (1.0 in) of rain over just 4 days, with humidity slightly lower at 84%. For a detailed look at the climate specifics, you can check Tamarindo weather in March.
When comparing the weather of September and April, a few notable differences emerge. September typically experiences higher humidity at 86%, accompanied by a wider temperature range with a minimum of 21°C (70°F) and highs reaching up to 37°C (99°F). Additionally, it is significantly wetter, with precipitation averaging 253 mm (10.0 in) over 25 days. In contrast, April presents a slightly cooler and drier climate, with average temperatures around 28°C (83°F) and maximums soaring to 44°C (111°F), while only 20 mm (0.8 in) of rainfall occurs over just 5 days. For more detailed insights on April weather, you can check Tamarindo weather in April.
In comparing September and May weather, September tends to be more humid and rainy, with an average temperature of 27°C (81°F) and substantial precipitation of 253 mm (10.0 in) over 25 days. In contrast, May features slightly warmer temperatures, peaking at a scorching 41°C (107°F), but with much less rainfall, totaling only 66 mm (2.6 in) over 10 days. While both months exhibit high humidity levels—86% in September and 82% in May—May is generally drier and hotter, making it distinct in terms of weather conditions. For more specific insights, you can visit Tamarindo weather in May.
September and June exhibit similar warm climates, with average temperatures slightly favoring June, which ranges from a minimum of 22°C (72°F) to a maximum of 39°C (103°F), compared to September's minimum of 21°C (70°F) and maximum of 37°C (99°F). However, September experiences more precipitation, totaling 253 mm (10.0 in) over 25 days, while June sees slightly less at 204 mm (8.0 in) over 23 days. Additionally, September's humidity is higher at 86%, compared to 81% in June, contributing to a muggy atmosphere. For more details on weather specifics, refer to Tamarindo weather in June.
When comparing the weather in September to that of July, we can see some notable differences. September generally has a slightly higher average temperature, with lows of 21°C (70°F) and highs reaching 37°C (99°F), while July's temperatures range from a minimum of 20°C (69°F) to the same maximum. However, September is characterized by higher humidity at 86% compared to July's 81%. Additionally, September experiences more precipitation, totaling 253 mm (10.0 in) over 25 days, in contrast to July's 204 mm (8.0 in) spread across 21 days. For a closer look at July's weather specifics, you can check Tamarindo weather in July.
In comparison to August, September experiences slightly lower average temperatures, with a minimum of 21°C and an average of 27°C, compared to August's 20°C and 28°C respectively. Both months share the same maximum temperature of 37°C. However, September is wetter, receiving 253 mm of precipitation over 25 days, while August sees less rain at 209 mm over 24 days. Additionally, September has higher humidity at 86%, compared to August's 82%. For a detailed look at August weather, you can visit Tamarindo weather in August.
September typically experiences warmer temperatures compared to October, with a minimum of 21°C (70°F) and an average high of 37°C (99°F) versus October's lower minimum of 19°C (66°F) and maximum of 36°C (98°F). Precipitation is notably higher in September, accumulating 253 mm (10.0 in) over 25 days, while October sees a significant drop to 113 mm (4.4 in) over just 16 days. Additionally, humidity levels in October remain slightly elevated at 90%, compared to September's 86%. For more detailed insights, you can check Tamarindo weather in October.
In September, the weather is typically much warmer, with temperatures ranging from a minimum of 21°C (70°F) to a scorching maximum of 37°C (99°F) and an average of 27°C (81°F). This month also sees significant rainfall, with 253 mm (10.0 in) falling over 25 days, resulting in high humidity levels at 86%.
In contrast, November experiences a notable drop in temperature, with the minimum hovering around 11°C (53°F) and the maximum reaching up to 34°C (93°F), averaging 24°C (75°F). Precipitation is significantly less, totaling 44 mm (1.7 in) over just 9 days, and the humidity increases slightly to 91%. For more detailed insights on the climate, check out Tamarindo weather in November.
In September, the weather is characterized by warmer temperatures, with a minimum of 21°C (70°F) and average highs reaching up to 37°C (99°F). This month also experiences significant rainfall, totaling 253 mm (10.0 in) over 25 days, and high humidity levels averaging 86%. In contrast, December brings a noticeable shift, with cooler temperatures ranging from a low of 11°C (51°F) to a comfortable average of 23°C (73°F) and highs peaking at 36°C (97°F). Precipitation drops dramatically to just 15 mm (0.6 in) over 2 days, although humidity slightly increases to 91%. For more details on what to expect during this time, check out Tamarindo weather in December.
September in Tamarindo brings a distinct shift in weather compared to other months. With high humidity levels reaching 86% and significant rainfall totaling 253 mm over approximately 25 days, the atmosphere feels more tropical and lush. While temperatures can peak at 37°C during the day, the increased precipitation introduces a refreshing contrast that often tempers the heat, resulting in a more comfortable average of 27°C. This unique blend of warmth and moisture not only enhances the region's natural beauty but also makes September an alluring time for those willing to embrace the rainy season. To learn more about what to expect throughout the year, visit Tamarindo Climate.