Last updated: August 21, 2025
September in Ahuachapan, El Salvador showcases a warm and humid climate, with maximum temperatures reaching up to 32°C (90°F) and an average of 24°C (75°F), providing a tropical atmosphere for visitors and locals alike. The month is characterized by significant rainfall, accumulating 320 mm (12.6 in) over approximately 27 days, contributing to the lush greenery of the region. This period of high humidity at 77% enhances the vibrant natural beauty, making it a captivating time to experience Ahuachapan's rich landscapes and cultural vibrancy, despite the frequent showers.
In September, Ahuachapan, El Salvador, maintains a pleasant tropical climate, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 32°C (90°F). The average temperature hovers around 24°C (75°F), mirroring the moderate warmth of the previous months. This month marks a subtle transition as both maximum and average temperatures begin to slightly decline, reflecting the shift towards the cooler months ahead. While the heat remains comfortable, the lingering humidity can make it feel warmer at times, continuing the trend of warm and inviting weather that characterizes the dry season. September’s temperatures set the stage for a welcoming environment, ideal for exploring Ahuachapan's stunning landscapes and vibrant culture.
In September, Ahuachapan experiences one of its wettest months, accumulating a significant 320 mm (12.6 in) of rainfall over 27 days. This marks a peak in the rainy season, showcasing a dramatic rise from previous months like August, which saw 223 mm (8.8 in). The persistent precipitation hints at the tropical climate's characteristic intensity, making September a month of both challenge and vibrancy as nature flourishes. Following a pattern observed since the onset of the rainy season in May, where the precipitation reached 237 mm (9.3 in), September solidifies its position as a critical period for water replenishment in the region. As the month transitions to October, Ahuachapan's rainfall begins to taper, yet the lingering effects of September's abundance set the stage for the lush landscapes that define this beautiful part of El Salvador.
In September, Ahuachapan experiences a humidity level of 77%, maintaining the high moisture trend established in the preceding months of July and August, which see humidity levels of 77% and 79%, respectively. This peak in humidity highlights the region's transition from the rainy season, where conditions are typically more humid. As the year progresses into October and November, humidity levels begin to stabilize at around 77% and 75%, suggesting a gradual return to dryer conditions as Ahuachapan heads towards the end of the year. Overall, the trends illustrate a distinct peak in humidity during the midsummer months, followed by a slight decline as the dry season approaches.
In September, Ahuachapan, El Salvador, experiences a UV Index of 13, maintaining the extreme exposure category that has dominated the region throughout the summer months. This follows a pattern seen from January through August, where the UV Index consistently hovered at high levels, peaking at 14 during the mid-year. As the year transitions into October, the UV Index similarly stays at 13, ensuring that sun protection remains crucial for residents and visitors alike. With a burn time of just 10 minutes, September serves as a reminder of the relentless sun, reinforcing the importance of safeguarding skin from intense UV radiation. For more insights on UV levels, check out Ahuachapan UV Index.
UV Risk Categories
As September rolls into Ahuachapan, El Salvador, the sun continues to shine brightly, offering an impressive 284 hours of sunlight throughout the month. This month stands out as a delightful bridge between the intense sunny days of summer and the gradual dip in daylight hours as the year progresses. With a slight decrease compared to the bustling sunshine of August, which boasted 304 hours, September's sunny disposition still outshines many of the earlier months. Notably, it precedes the cooler October, which sees an expected reduction to 276 hours. Overall, the trend showcases Ahuachapan's consistent brightness, making it an inviting destination for sun-seekers as summer transitions into autumn.
In Ahuachapan, El Salvador, the likelihood of sunny weather in September is 22%, marking it as one of the cloudier months of the year. This trend continues from the low percentages seen in the preceding months, such as 14% in August and 13% in June, indicating that the rainy season typically lingers into early fall. As the year progresses beyond September, the chances of sunshine gradually improve, peaking at 77% in February, creating a stark contrast to the typically overcast conditions of late summer. Overall, those planning a visit to Ahuachapan in September should be prepared for a higher likelihood of cloudy skies and occasional rain, typical of the transition into the wetter part of the year.
In Ahuachapan, El Salvador, the rhythm of daylight reveals a fascinating pattern throughout the year. From the beginning of the year in January and February with a steady 11 hours of daylight, the days gradually lengthen, peaking at 12 hours from March through August. This consistent stretch of daylight creates a vibrant atmosphere, perfect for enjoying the lush landscapes and warm climate. As the year progresses into October, daylight hours gently decline again, returning to 11 hours as the cooler months approach. This seamless transition from longer summer days to shorter autumn evenings highlights the region's unique climatic cycle, offering both residents and visitors an inviting balance of light and warmth.
In Ahuachapan, El Salvador, September marks a transition into calmer winds, with an average wind speed of just 1.2 m/s (3 mph). This gentle breeze is part of a broader trend observed throughout the year, as wind speeds typically peak in the early months and again in late fall. From January's brisk 2.6 m/s to the summer's lows, it becomes clear that September encapsulates a moment of stillness before the winds pick up again in November, where they return to their earlier vigor. As the air settles, it brings a serene charm to the landscape, inviting residents and visitors alike to savor the mild September days.
Weather in Ahuachapan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ahuachapan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is notably warm and humid, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 32°C (90°F). This month experiences significant precipitation, totaling around 320 mm (12.6 in) over 27 days, resulting in a high humidity of 77%. In contrast, January offers a much drier experience, with average temperatures hovering between 12°C (54°F) at night and 33°C (91°F) during the day. The month is characterized by minimal rainfall, only 4 mm (0.2 in) over the entire month, and a lower humidity level of 63%. For more details on January weather specifics, check out Ahuachapan weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a minimum of 18°C (65°F) to a maximum of 32°C (90°F), with an average of 24°C (75°F) and high humidity levels of 77%. The month is characterized by significant rainfall, totaling 320 mm (12.6 in) over 27 days. In stark contrast, February features more moderate temperatures, with a minimum of 12°C (53°F), averaging 23°C (74°F), and peaking at 35°C (95°F). Additionally, February enjoys considerably lower precipitation, with just 5 mm (0.2 in) over only 1 day and a more comfortable humidity level of 62%. For a more detailed look at the weather in February, you can visit Ahuachapan weather in February.
In September, the weather is warm and humid, with average temperatures around 24°C (75°F) and maximums reaching up to 32°C (90°F). However, it is also marked by considerable rainfall, totaling 320 mm (12.6 in) over about 27 days, resulting in a high humidity level of 77%. In contrast, March offers slightly cooler nights with minimum temperatures around 15°C (59°F) while still reaching an average of 24°C (76°F). The month is notably drier, with only 6 mm (0.2 in) of precipitation occurring over just a single day, contributing to a lower humidity of 59%. For more information, you can check Ahuachapan weather in March.
When comparing the weather in September and April, we observe notable differences in temperature, precipitation, and humidity. September experiences a slightly warmer average temperature of 24°C (75°F), with maximums reaching up to 32°C (90°F), while April's average is similar at 25°C (77°F), though it can peak higher at 35°C (96°F). Precipitation is significantly higher in September, with 320 mm (12.6 in) over 27 days, compared to a much drier April, which sees only 56 mm (2.2 in) across 12 days. Additionally, the humidity in September is notably higher at 77%, while April enjoys a more comfortable 59%. For more details, you can check Ahuachapan weather in April.
In comparing the weather between September and May, both months showcase similar average temperatures around 24°C (75°F), yet distinct differences in their extremes and conditions. September experiences a milder temperature range with minimums at 18°C (65°F) and maximums at 32°C (90°F), while May can get notably hotter, reaching maximums of 35°C (94°F). Additionally, September is characterized by much higher precipitation levels, totaling 320 mm (12.6 in) over 27 days, compared to May's 237 mm (9.3 in) over 25 days, resulting in a more humid atmosphere in September at 77% compared to May's 59%. For more detailed insights, you can check Ahuachapan weather in May.
In September, temperatures range from a minimum of 18°C (65°F) to a maximum of 32°C (90°F), closely mirroring June, which has a similar minimum but slightly higher maximum at 33°C (91°F). Both months share an average temperature of 24°C (75°F). However, September experiences slightly more precipitation with 320 mm (12.6 in) over 27 days, compared to June's 330 mm (13.0 in) over 26 days. Additionally, September's humidity is higher at 77%, while June's humidity sits at 68%. For a more detailed look at June’s weather, you can visit this link: Ahuachapan weather in June.
In September, the weather is characterized by a slightly lower average temperature of 24°C (75°F) compared to July's 25°C (77°F), with maximum temperatures reaching 32°C (90°F) in September and 34°C (93°F) in July. Both months see the same minimum temperature of 18°C (65°F), but September experiences significantly higher precipitation at 320 mm (12.6 in) across 27 days, while July only has 103 mm (4.1 in) over 16 days. Additionally, the humidity remains consistent at 77% for both months, but the much wetter conditions in September create a more humid feel due to the increased rainfall. For more detailed insights on July weather, you can check Ahuachapan weather in July.
In comparing the weather between August and September, we find that both months experience similar minimum temperatures, with September slightly warmer on average at 24°C (75°F) compared to August's 24°C (76°F). However, September tends to be more humid, averaging 77% humidity compared to August's 79%. Notably, September sees a significant increase in precipitation, accumulating 320 mm (12.6 in) over 27 days, while August has less rainfall at 223 mm (8.8 in) over just 22 days. This increase in precipitation and consistent warm temperatures in September can make it feel quite different from August. For more detailed insights, you can visit Ahuachapan weather in August.
In September, the weather tends to be warmer with average temperatures reaching up to 24°C (75°F) and a maximum of 32°C (90°F). The month also experiences significant rainfall, totaling 320 mm (12.6 in) over 27 days, contributing to a humid environment with 77% humidity.
In contrast, October sees slightly cooler temperatures, with an average of 23°C (74°F) and similar highs of 32°C (90°F). However, the total precipitation is lower at 281 mm (11.0 in), occurring over 23 days. Despite the reduction in rainfall, humidity remains consistent at 77%.
For more detailed information about weather conditions in October, you can check Ahuachapan weather in October.
In September, the weather in Ahuachapan is characterized by warmer temperatures, with a minimum of 18°C (65°F) and an average of 24°C (75°F), reaching up to a maximum of 32°C (90°F). The month experiences significant rainfall, with 320 mm (12.6 in) of precipitation spread across 27 days, contributing to a higher humidity level of 77%.
In contrast, November sees slightly cooler temperatures, with a minimum of 15°C (59°F) and an average of 23°C (74°F), while still peaking at 32°C (90°F). Notably, November is much drier, experiencing only 40 mm (1.6 in) of rain over just 4 days, resulting in a humidity level that settles at 75%. For more details, you can check the Ahuachapan weather in November.
In September, the weather tends to be noticeably warmer and more humid, with average temperatures around 24°C (75°F) and a maximum reaching up to 32°C (90°F). It also experiences significant rainfall, accumulating 320 mm (12.6 in) over an average of 27 rainy days and a humidity level of 77%. In contrast, December brings milder temperatures, featuring a minimum of 13°C (56°F) and an average of 23°C (73°F), making it more comfortable overall. Rainfall drops dramatically to just 6 mm (0.3 in) on only one day, and humidity decreases to 66%. For a detailed outlook on December weather, you can check Ahuachapan weather in December.
As September unfolds in Ahuachapan, the weather takes on a distinctly wet character, contrasting with the drier months that precede and follow it. This month sees higher humidity levels and a marked increase in rainfall, averaging around 320 mm over 27 rainy days, creating a lush, vibrant environment. While temperatures remain warm, with maximums reaching up to 32°C, the persistent precipitation adds a refreshing element to the air, offering a welcome shift from the typical dry heat. Discover more about how September weather compares to other months by visiting Ahuachapan Climate.