Last updated: August 21, 2025
September in Monte Hermoso, Argentina welcomes a refreshing transition into spring, with temperatures ranging from a minimum of 2°C (36°F) to a mild maximum of 25°C (76°F). The average temperature sits at a comfortable 12°C (54°F), making it an ideal time for outdoor activities. Despite experiencing 41 mm (1.6 in) of rainfall over approximately 6 days, the humidity level remains at 71%, providing a crisp yet pleasant atmosphere. This combination of moderate temperatures and occasional showers paints a vibrant picture for those looking to explore this picturesque coastal destination.
In September, Monte Hermoso starts to transition into spring, ushering in milder temperatures that signify the end of winter's chill. The average temperature hovers around 12°C (54°F), with daytime highs peaking at a comfortable 25°C (76°F). Early September mornings can still be crisp, with lows around 2°C (36°F), making a light jacket advisable during the early hours. As the month progresses, warmer days invite outdoor activities, hinting at the approaching summer. Overall, this month reflects a delightful shift towards warmth and vitality, setting the stage for the vibrant months ahead.
In September, Monte Hermoso experiences a moderate shift in its precipitation patterns, recording 41 mm (1.6 in) of rain over the month across six days. This marks a slight increase compared to the dryer spells of August, which saw only 29 mm (1.1 in) of rain, indicating a gradual transition into the wetter season. As the year progresses, precipitation levels begin to rise, with October and November promising even more rain. This trend suggests an impending climax in moisture as spring unfolds, enriching the region's lush landscapes and preparing the environment for the vibrant growth that follows.
In Monte Hermoso, Argentina, September marks a transition in humidity as the summer months draw to a close. With a humidity level of 71%, it remains relatively high, reflecting a lingering warmth from the preceding months. As the year progresses, we observe a gradual increase in humidity peaking in April at 75%, before tapering off toward the year’s end, with December experiencing the lowest level at 58%. This pattern indicates a notable decline in humidity from late spring to early summer, while September retains a sense of lingering summer's embrace. As we move into the fall months, residents can expect comfortable, albeit slightly humid conditions, making it a perfect time for outdoor activities before the drier months approach.
In September, Monte Hermoso experiences a high UV Index of 7, requiring careful sun protection with a burn time of just 25 minutes. This marks a noticeable transition from the moderate levels seen during the winter months, as the UV Index begins to climb steadily in preparation for the upcoming warmer months. The trend continues towards more intense sun exposure in October, when the Index reaches 9, categorized as very high. Residents and visitors alike should remain vigilant about sun safety, especially as we move closer to the extreme levels of summer. For a detailed understanding of the UV Index throughout the year, explore more at Monte Hermoso UV Index.
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As September arrives in Monte Hermoso, Argentina, the days begin to brighten with an impressive 271 hours of sunshine, marking a delightful shift from the cooler months. This notable increase from the dreariness of winter—where sunlight dipped to just 197 hours in June—signifies the start of spring, inviting both locals and visitors to bask in the warming rays. With a gradual rise in sunny hours from the previous months, September's weather sets the stage for even more abundant light in the coming months, peaking at 389 hours in December. It's a time of vibrant rebirth, where the sun's embrace transforms the coastal landscape, promising countless opportunities for outdoor adventures and serene beachside moments.
In September, Monte Hermoso experiences a moderate 52% chance of sunny weather, marking the transition from winter to spring. This percentage reflects a trend of increasing sunshine as the year progresses; compared to the lower chances of sun seen in the winter months, such as 38% in June, September shows a promising uptick. As temperatures rise and nature begins to bloom, the likelihood of clear skies sets the stage for outdoor activities, heralding the approach of the sunnier months ahead. This makes September a delightful time to visit, even if the weather might still hold some surprises.
As September arrives in Monte Hermoso, daylight begins to gradually improve after the darker winter months. The city enjoys 11 hours of daylight, a welcome increase that sets the stage for the warmer spring days ahead. This month marks a transition, as daylight durations rise from the low of 9 hours experienced in June, July, and August. Following September, daylight continues to expand, peaking at 14 hours in December, highlighting a rhythmic seasonal pattern where sunlight invigorates the landscape and enriches outdoor experiences. The shift from the shorter days of winter to the longer, sun-drenched days of spring signals a vibrant time for both locals and visitors alike.
As September unfolds in Monte Hermoso, Argentina, the gentle whispers of the wind herald the transition into spring. With an average wind speed of 5.1 m/s (11 mph), this month marks a soft decline from the breezier days of winter, characterized by July's peak at 5.7 m/s (13 mph). This subtle change encapsulates a broader trend, as winds gradually taper off from the summer's lively gusts, offering a more tranquil atmosphere perfect for beach strolls and sun-soaked days. While September's winds may be slightly subdued compared to earlier months, they provide a refreshing reminder of nature's rhythm, setting the stage for the warmer, more vibrant days ahead.
Weather in Monte Hermoso varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Monte Hermoso, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of September and January, significant differences emerge. September experiences milder temperatures, with a minimum of 2°C (36°F) and an average of 12°C (54°F), reaching a maximum of 25°C (76°F). In contrast, January presents a much warmer climate, showcasing a minimum temperature of 11°C (52°F) and an average of 23°C (73°F), soaring to a high of 39°C (103°F). Both months have similar rainfall, with September receiving 41 mm (1.6 in) over 6 days and January slightly less at 38 mm (1.5 in) over just 5 days. Humidity levels are higher in September at 71%, compared to January's 61%. For more insights on January weather, you can check out Monte Hermoso weather in January.
September and February present distinct weather patterns, reflecting the transition from late winter to late summer in the Southern Hemisphere. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 25°C (76°F), with an average of 12°C (54°F). This month experiences a moderate level of precipitation at 41 mm (1.6 in) over 6 days and a humidity level of 71%.
In contrast, February is significantly warmer, with minimum temperatures around 11°C (52°F) and maximums soaring to 35°C (95°F), averaging 22°C (71°F). It also sees a slightly higher precipitation level of 50 mm (2.0 in) over just 5 days, but with lower humidity at 67%. For a more detailed overview of February's weather, you can check Monte Hermoso weather in February.
When comparing the weather in September and March, there are notable differences in temperature and overall climate. September features cooler temperatures, with minimums around 2°C (36°F) and a maximum of 25°C (76°F), resulting in a comfortable average of 12°C (54°F). In contrast, March experiences warmer conditions, with minimums at 9°C (49°F) and maximums reaching up to 34°C (93°F), leading to a much warmer average of 20°C (68°F). While both months receive similar levels of precipitation (41 mm in September and 49 mm in March), March has slightly higher humidity at 70% compared to September's 71%. For more details about March weather, you can check Monte Hermoso weather in March.
In comparing the weather between September and April, one can observe distinct differences in temperature and precipitation. September experiences cooler temperatures, with a minimum of 2°C and an average of 12°C, while April boasts a warmer minimum of 6°C and an average of 17°C—both months showing maximum temperatures that differ significantly, reaching up to 25°C in September and soaring to 31°C in April. Precipitation is slightly higher in April, totaling 64 mm over six days compared to September's 41 mm, also over six days. Humidity remains relatively similar in both months, at 71% in September and 75% in April, making April feel a bit more humid overall. For more detailed insights into April's weather, you can check Monte Hermoso weather in April.
In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 25°C (76°F), with an average of 12°C (54°F). The month experiences about 41 mm (1.6 in) of precipitation spread over six days, with humidity levels around 71%. In contrast, May presents slightly warmer temperatures, featuring a minimum of 3°C (37°F) and a maximum of 24°C (76°F) while averaging at 13°C (55°F). This month sees a higher precipitation level of 51 mm (2.0 in) across the same number of days but with increased humidity at 77%. For a closer look at weather specifics for the region during this time, check out Monte Hermoso weather in May.
In comparing the weather of September and June, September tends to be slightly warmer, with average temperatures reaching 12°C (54°F) compared to June's average of 10°C (50°F). Both months experience similar minimum temperatures, but September boasts a higher maximum temperature of 25°C (76°F) versus June's 20°C (68°F). Precipitation levels in June are slightly higher at 48 mm (1.9 in) despite both months receiving rain for about 6 days, while humidity remains relatively high in both months, at 71% in September and 74% in June. For more details on June weather specifics, you can refer to Monte Hermoso weather in June.
When comparing the weather in September to that of July, there are notable differences in temperature. September typically enjoys milder conditions, with an average temperature of 12°C (54°F) and a maximum of 25°C (76°F), while July's temperatures are cooler, averaging 9°C (48°F) and peaking at 19°C (66°F). Both months experience similar precipitation levels, with 41 mm (1.6 in) of rain spread over 6 days, alongside consistent humidity at 71%. For more details on July's climate specifics, you can visit Monte Hermoso weather in July.
September experiences slightly warmer temperatures compared to August, with average highs reaching 25°C (76°F) and lows of 2°C (36°F), while August sees a maximum of 23°C (75°F) and a minimum of 0°C (33°F). Additionally, September has more precipitation, recording 41 mm (1.6 in) over 6 days, compared to August's 29 mm (1.1 in) over just 4 days. Humidity levels are also marginally higher in September at 71%, up from 68% in August. For more detailed insights on weather conditions in August, visit Monte Hermoso weather in August.
September and October showcase a transition in weather conditions. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 25°C (76°F), with an average of 12°C (54°F), accompanied by 41 mm (1.6 in) of precipitation over about 6 days and humidity levels at 71%. By October, the weather becomes warmer, with minimum temperatures rising to 4°C (39°F) and maximums reaching 33°C (91°F). The average temperature increases to 15°C (58°F), and while precipitation slightly increases to 53 mm (2.1 in) over 8 days, humidity decreases to 68%. For a detailed outlook on the weather specifics in October, you can refer to Monte Hermoso weather in October.
In comparing the weather between September and November, it's evident that November experiences milder temperatures and higher humidity. September sees a minimum temperature of 2°C (36°F) and averages around 12°C (54°F), while November has a warmer minimum of 8°C (46°F) and an average temperature rising to 18°C (64°F). Additionally, November tends to be wetter, with a total precipitation of 86 mm (3.4 in) over 8 days, compared to September's 41 mm (1.6 in) over just 6 days. For more detailed information on November weather, you can check Monte Hermoso weather in November.
In September, the weather is generally cooler, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 25°C (76°F) and an average of 12°C (54°F). The month sees about 41 mm (1.6 in) of precipitation over approximately 6 days, accompanied by a higher humidity level of 71%. In contrast, December boasts much warmer temperatures, with a minimum of 9°C (48°F), an average of 21°C (70°F), and a peak of 34°C (93°F). Precipitation increases slightly to 58 mm (2.3 in) over 7 days, but the humidity drops to a more comfortable 58%. For a closer look at December's weather specifics, you can visit Monte Hermoso weather in December.
As September rolls in, Monte Hermoso experiences a refreshing transition away from the winter chill, with temperatures gradually rising and a significant increase in humidity. This month stands out with its balance of warm days and cool nights, offering comfortable weather for outdoor activities. While some rain is expected, with a few days of precipitation, the scenery remains inviting, making it a perfect time for visitors to explore the coastal beauty. September not only marks a change in temperature but also sets the tone for the vibrant spring months ahead. For a detailed overview of weather patterns throughout the year, check out Monte Hermoso Climate.