September Weather in Sant Julia de Loria, Andorra

Last updated: August 25, 2025

September in Sant Julia de Loria, Andorra offers a delightful transition into autumn, with maximum temperatures reaching 23°C (74°F) and an average of 11°C (52°F), while nights can dip as low as -3°C (27°F). This month experiences an average precipitation of 70 mm (2.8 in) spread over 12 rainy days, contributing to the area's lush greenery. With a humidity level around 73%, visitors can expect a refreshing atmosphere, perfect for outdoor exploration in the crisp September air. Embrace the beauty of the changing seasons in this charming Andorran town!

September Temperature in Sant Julia de Loria

In September, Sant Julia de Loria experiences a delightful transition from summer to autumn, with temperatures reflecting this shift. The month begins with a minimum temperature of -3°C (27°F), gradually rising to an average of 11°C (52°F) and peaking at a pleasant 23°C (74°F). This trend indicates a notable warmth compared to the chilly earlier months, notably from January through August. As outdoor enthusiasts take advantage of the crisp air and sunny days, it’s an ideal time for hiking or exploring the stunning Andorran landscapes before the colder months set in. Overall, September offers a refreshing balance, making it a wonderful time to enjoy the beauty of Sant Julia de Loria.

September Weather in Sant Julia de Loria: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sant Julia de Loria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sant Julia de Loria, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec273234384655595952453330
Data source: Temperature data for Sant Julia de Loria generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Sant Julia de Loria

In September, Sant Julia de Loria experiences a moderate level of precipitation, registering 70 mm (or 2.8 inches) over approximately 12 days. This marks a slight decrease from the more prolific summer months, aligning with the transition into autumn. The rainfall patterns reflect a gradual tapering from the peak of May and June, which saw over 100 mm of precipitation, down to less frequent showers as the region prepares for cooler weather. Overall, September's weather serves as a bridge, softening the vibrant summer hues into the more subdued tones of fall, while still providing nature with essential moisture before the onset of winter.

September Precipitation Trends in Sant Julia de Loria

The chart displays monthly precipitation patterns in Sant Julia de Loria, 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. In Sant Julia de Loria, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec76608793111115657870858693
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sant Julia de Loria

As September arrives in Sant Julia de Loria, the air carries a slight crispness, marking a transition from the warmer summer months. This transition is reflected in the average humidity, settling at 73%, notably higher than the 70% of August but significantly lower than the winter months ahead. The gradual decline in humidity from 87% in January to its summer low of 72% in July showcases a clear pattern of decreasing moisture during the year’s warmer periods, only to see a subtle rise as autumn approaches. This makes September a delightful time for visitors, offering a refreshing yet comfortable environment before the winter humidity returns.

September Average Humidity in Sant Julia de Loria

This chart illustrates the average monthly humidity levels in Sant Julia de Loria, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Sant Julia de Loria is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%83%80%77%75%74%72%70%73%82%87%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sant Julia de Loria

As September settles in Sant Julia de Loria, the UV Index remains notably high at 8, classified as very high. Although this marks a slight decline from the peak of 11 in the summer months, sun protection is still essential, with a burn time of just 15 minutes. The trend throughout the year shows a gradual increase in UV levels from a moderate 3 in January, reaching a striking high by mid-summer. As autumn approaches, the UV Index begins to taper off, but the sun's intensity in September still warrants caution. Whether you're exploring the beautiful landscapes or enjoying outdoor activities, staying informed can help ensure safe sun exposure. For more detailed insights, visit Sant Julia de Loria UV Index.

Maximum UV Index Levels in Sant Julia de Loria for September

The chart shows the monthly maximum UV Index (UVI) for Sant Julia de Loria 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. In September, the maximum UV index in Sant Julia de Loria typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468101111108642
Data source: Sant Julia de Loria 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 Sant Julia de Loria

As September rolls into Sant Julia de Loria, the days still shine brightly, offering 343 hours of delightful sunshine. This marks a gentle decline from the sun-drenched peak of July, which boasts an impressive 427 hours. The month’s light gradually softens as it transitions towards the autumn months, yet it still outshines the earlier parts of the year, clearly reflecting the region's warm embrace of summer. With average sunshine hours consistently increasing from January through July, and only slightly dipping in September, visitors can bask in the last golden rays before the cooler October and the crispness of winter begin to settle in.

Monthly Sunshine Duration in Sant Julia de Loria: September Highlighted

The September sunshine duration represents the total number of hours Sant Julia de Loria 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.
JanFebMarAprMayJunJulAugSepOctNovDec201h260h329h342h398h412h427h397h343h306h260h255h
Data source: Sant Julia de Loria September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sant Julia de Loria During September

In Sant Julia de Loria, Andorra, September marks a shift towards cooler days as summer fades, and this is reflected in the 21% chance of sunny weather during the month. This percentage indicates a significant decline from the peak sunshine experienced in July and August, which boast chances of 45% and 46%, respectively. Interestingly, the likelihood of sunshine tends to fluctuate throughout the year, with March showcasing the highest rate of clear skies before the summer months. While September doesn't offer the same warmth and brightness as summer, it still provides opportunities for pleasant outdoor activities amidst the enchanting autumn backdrop. As the season transitions, visitors can expect a scenic environment, albeit with a decreased probability of sunny weather.

Percentage of Sunny Days in September in Sant Julia de Loria

The chart illustrates the percentage of sunny days in Sant Julia de Loria 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 Sant Julia de Loria experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%32%41%33%21%37%45%46%21%42%29%42%
Data source: Sant Julia de Loria September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sant Julia de Loria in September

As September rolls in, Sant Julia de Loria enjoys a comforting 12 hours of daylight, marking a gentle transition from the sun-drenched summer months. Following the peak of 15 hours in June, daylight gradually recedes, yet September still offers a generous amount of light, allowing residents and visitors to relish the beauty of early autumn. This month bridges the long, sunlit days of summer with the shorter, colder periods ahead, hinting at the tranquil charm of the changing seasons. As daylight begins to wane, the landscape transforms, inviting all to explore the picturesque surroundings bathed in the warm glow of the setting sun.

Average Daylight Hours in Sant Julia de Loria for September

The chart illustrates the variation in daylight duration in Sant Julia de Loria throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 26m10h 33m11h 57m13h 23m14h 37m15h 14m14h 54m13h 49m12h 26m11h9h 44m9h 5m
Data source: Sant Julia de Loria daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sant Julia de Loria

As September unfolds in Sant Julia de Loria, Andorra, the whisper of the wind turns softer, with average speeds dipping to 1.4 m/s (3 mph). This gentle breeze marks a notable trend, as it follows a gradual decline from the summer months, where the winds hovered around 1.5 to 1.7 m/s (3-4 mph). Each month has seen a subtle descent in wind speed, creating a serene atmosphere as autumn approaches. This slight drop, while minimal, adds to the charm of September, inviting both locals and visitors to relish in the tranquil, crisp air typical of this enchanting Andorran valley.

Average September Wind Speed in Sant Julia de Loria

The chart displays monthly wind speed patterns in Sant Julia de Loria, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.01.91.71.61.71.71.51.4 m/s1.61.91.7
Data source: Sant Julia de Loria September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sant Julia de Loria Compares to Other Months

Weather in Sant Julia de Loria varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sant Julia de Loria, focusing on differences in temperature, rainfall, humidity, and UV levels.

In September, temperatures in Sant Julia de Loria range from a chilly -3°C (27°F) at night to a pleasant 23°C (74°F) during the day, with an average of 11°C (52°F). The month experiences around 70 mm (2.8 in) of precipitation over 12 days, accompanied by a humidity level of 73%. In contrast, January is much colder, with temperatures dipping to a minimum of -20°C (-3°F) and peaking at 10°C (51°F), averaging -3°C (28°F). Though January receives slightly more precipitation at 76 mm (3.0 in) over just 9 days, the humidity is higher at 87%. For a more detailed look at January's conditions, check Sant Julia de Loria weather in January.

In comparing the weather between September and February, we see notable differences in temperature and humidity. September enjoys a milder climate with average temperatures around 11°C (52°F), ranging from a minimum of -3°C (27°F) to a maximum of 23°C (74°F). This month also brings about 70 mm (2.8 in) of precipitation over approximately 12 days, coupled with a humidity level of 73%.

In contrast, February chills the air significantly, with average temperatures hovering around 0°C (33°F), dipping as low as -15°C (5°F) and reaching a maximum of 12°C (55°F). The precipitation in February is slightly lower at 60 mm (2.4 in) over approximately 10 days, and humidity rises to a more substantial 83%. For a more detailed view, you can refer to Sant Julia de Loria weather in February.

In comparing the weather of September and March, notable differences emerge. September boasts milder temperatures, with a minimum of -3°C (27°F) and an average of 11°C (52°F), reaching a maximum of 23°C (74°F), making it feel much warmer overall. In contrast, March is cooler, featuring a minimum temperature of -11°C (12°F) and an average of just 1°C (34°F), with highs of 15°C (59°F). While September experiences less precipitation at 70 mm (2.8 in) over 12 days, March sees slightly higher precipitation at 87 mm (3.4 in) across 14 days. Additionally, March tends to have higher humidity at 80%, compared to September’s 73%. For a closer look at what to expect, you can check out Sant Julia de Loria weather in March.

When comparing the weather in September and April, we see notable differences in temperature and precipitation. September boasts milder temperatures with a minimum of -3°C (27°F), an average of 11°C (52°F), and a maximum reaching 23°C (74°F). In contrast, April is cooler overall, with temperatures dipping as low as -12°C (10°F) and averaging just 3°C (38°F), peaking at 15°C (59°F). Precipitation is slightly higher in April, totaling 93 mm (3.7 in) over 13 days, compared to September's 70 mm (2.8 in) spread across 12 days. Humidity levels are also more pronounced in April at 77%, compared to September's 73%. For a more detailed look at April conditions, you can check Sant Julia de Loria weather in April.

When comparing the weather in September and May, we observe notable differences in both temperature and precipitation. In September, temperatures range from a minimum of -3°C (27°F) to a maximum of 23°C (74°F), with an average of 11°C (52°F). The precipitation in September is 70 mm (2.8 in) spread over 12 days, resulting in a humidity level of 73%. In contrast, May experiences lower minimum temperatures of -9°C (17°F) but has a slightly higher maximum of 22°C (72°F) and an average temperature of 8°C (46°F). Precipitation in May is more substantial, totaling 111 mm (4.4 in) over 19 days, leading to a humidity of 75%. This rainfall and cooler average temperature in May can significantly impact outdoor activities. For a more detailed look at May weather, you can visit Sant Julia de Loria weather in May.

In comparing the weather of September and June, both months experience similar minimum temperatures, dipping as low as -3°C (27°F). However, June boasts a higher average temperature of 13°C (55°F) and a maximum temperature that can reach 28°C (82°F), making it generally warmer than September, which has an average of 11°C (52°F) and a maximum of 23°C (74°F). Precipitation levels also differ, with June receiving more rain at 115 mm (4.5 in) across 15 days, compared to September's 70 mm (2.8 in) over 12 days. Humidity remains relatively constant, with September at 73% and June slightly higher at 74%. For a more detailed look at the June weather in this region, check out Sant Julia de Loria weather in June.

In comparing the weather between September and July, we see distinct differences in temperature and precipitation. September features a broader temperature range, with minimums dropping to -3°C (27°F) and maximums reaching 23°C (74°F), while July experiences milder temperatures, ranging from a minimum of 2°C (37°F) to a maximum of 26°C (78°F). Both months see similar amounts of precipitation, with September receiving 70 mm (2.8 in) over 12 days and July slightly less at 65 mm (2.6 in) over 10 days. Humidity remains fairly consistent, with September at 73% and July at 72%. For detailed insights, you can explore Sant Julia de Loria weather in July.

In September, the weather cools down significantly compared to August, with average temperatures dipping from 15°C (60°F) to 11°C (52°F). While August boasts warmer maximum temperatures reaching 27°C (81°F), September's peak temperature is a milder 23°C (74°F). Precipitation levels are slightly lower in September at 70 mm (2.8 in), compared to 78 mm (3.1 in) in August, although both months experience rain on approximately 12 days. Humidity is also slightly higher in September at 73%, compared to 70% in August. For more detailed insights, you can check Sant Julia de Loria weather in August.

In September, the weather tends to be milder with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 23°C (74°F), and an average of 11°C (52°F). The month sees about 70 mm (2.8 in) of precipitation over 12 days and a humidity level of 73%. In contrast, October marks a noticeable drop in temperatures, with lows hitting -13°C (9°F) and an average of 7°C (45°F), while the maximum temperature reaches 20°C (69°F). This month experiences slightly more rainfall at 85 mm (3.3 in) over 9 days, coupled with increased humidity at 82%. For more specific insights, check out the detailed Sant Julia de Loria weather in October.

In September, the weather is milder, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 23°C (74°F), and an average of 11°C (52°F). This month experiences relatively moderate precipitation of 70 mm (2.8 in) over 12 days, with humidity at 73%. In contrast, November brings a more pronounced chill, with temperatures dipping to a minimum of -14°C (6°F) and averaging around 1°C (33°F), peaking at 16°C (61°F). Additionally, November records increased precipitation at 86 mm (3.4 in) across 13 days, coupled with higher humidity at 87%. For a more detailed overview, you can check Sant Julia de Loria weather in November.

September and December present contrasting weather conditions in Sant Julia de Loria. September boasts a mild temperature range, with minimums around -3°C (27°F) and average highs reaching 23°C (74°F), accompanied by relatively low humidity at 73% and moderate precipitation. In stark contrast, December temperatures plunge significantly, with lows of -14°C (6°F) and an average around -1°C (30°F). This month also sees an increase in humidity to 88% and higher precipitation levels at 93 mm (3.7 in), although the number of rainy days remains consistent at 12. For more detailed information on December weather, you can visit Sant Julia de Loria weather in December.

Compare Sant Julia de Loria's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sant Julia de Loria

As September unfolds in Sant Julia de Loria, the weather shifts towards a more moderate and refreshing ambiance, signaling the arrival of autumn. While the month boasts pleasant daytime temperatures, the nights can be brisk, offering a stark contrast to the warmth of summer. With an average humidity of 73%, the air carries a crispness that invigorates the senses, setting the stage for cozy evenings. Though September sees some rain, with about 12 days of precipitation, it rarely detracts from the area's charm, as the lush surroundings begin to change color. For a deeper dive into the region's climate patterns, explore Sant Julia de Loria Climate.