September Weather in Montblanc, Spain

Last updated: February 6, 2025

In Montblanc, Spain, September ushers in a delightful transition from summer to autumn, offering maximum temperatures of 31°C (88°F) and a comfortable average of 20°C (68°F). As the month progresses, nights cool down, reaching a refreshing minimum of 8°C (46°F). However, this enchanting weather comes with its share of moisture, as the region experiences about 80 mm (3.1 in) of rainfall over 14 days, leading to a humidity level of 68%. Visitors can expect a blend of sunny days and occasional showers, making September a perfect time to explore Montblanc's rich culture and stunning landscapes.

September Temperature in Montblanc

As September unfolds in Montblanc, Spain, temperatures begin to transition from the intense summer heat to the milder embrace of autumn. With minimums around 8°C (46°F) and average highs reaching 31°C (88°F), this month offers a delightful balance of warmth. The average temperature settles at a comfortable 20°C (68°F), making it ideal for outdoor activities and exploring the picturesque surroundings. Unlike the scorching summer months that boast highs nearing 40°C (103°F) in June and July, September welcomes a gradual cooling trend while still providing plenty of sunny days. This shift not only enhances the beauty of the landscape but also invites visitors and locals alike to enjoy the vibrant scenery and pleasant climate before the chill of autumn sets in.

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

The chart illustrates September temperature patterns in Montblanc, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414750546270767668594944
Data source: Temperature data for Montblanc 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 Montblanc

September in Montblanc, Spain, marks a transition into autumn, accompanied by notable precipitation trends. With 80 mm (3.1 in) of rainfall spread over 14 days, this month sees a significant increase in wet weather compared to the summer months. Both the precipitation amount and the number of rainy days mirror those of August, indicating a continued shift towards a moister climate as summer wanes. As temperatures gradually cool, the consistent rainfall in September not only nourishes the lush landscapes but also prepares the region for the wetter months ahead. This pattern highlights a rhythm in Montblanc's climate, where the arrival of fall is heralded by an upsurge in rainfall, setting the stage for a vibrant seasonal change.

September Precipitation Trends in Montblanc

The chart displays monthly precipitation patterns in Montblanc, 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.
JanFebMarAprMayJunJulAugSepOctNovDec453155847957338180876025
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Montblanc

As summer transitions into autumn, September in Montblanc, Spain, showcases a slight uptick in humidity, reaching 68%. This marks a subtle increase from the consistently lower levels experienced during the peak summer months of 64% in both July and August. However, compared to the beginning of the year, when humidity levels hovered around 79% in January, September's figures reflect the gradual shift towards a more temperate climate. Following this month, humidity levels are set to rise again, peaking in the cooler months of October and November, demonstrating the dynamic nature of Montblanc's weather patterns as the year progresses.

September Average Humidity in Montblanc

This chart illustrates the average monthly humidity levels in Montblanc, 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.
JanFebMarAprMayJunJulAugSepOctNovDec79%74%71%69%66%65%64%64%68%77%79%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Montblanc

In September, Montblanc, Spain, experiences a UV Index of 8, categorizing the sun exposure as very high, with a burn time of just 15 minutes. This trend reflects a slight decrease from the intense peak of summer months like June, where the UV Index soared to 11, yet it remains significantly high compared to early and late in the year. As the days begin to shorten and the temperatures cool, the outdoor sun exposure still demands caution, urging residents and visitors alike to prioritize sun protection. This month marks a transition where awareness of UV risks remains crucial. For detailed insights on UV levels year-round, visit Montblanc UV Index.

Maximum UV Index Levels in Montblanc for September

The chart shows the monthly maximum UV Index (UVI) for Montblanc 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.
JanFebMarAprMayJunJulAugSepOctNovDec34589111098632
Data source: Montblanc 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 Montblanc

In Montblanc, Spain, September shines with an impressive 343 hours of sunshine, marking it as a vibrant transition from the sun-soaked summer to the cooler autumn months. Following the peak of July, which boasts 428 hours of sunlight, September still retains a generous amount, though it naturally dips as the year progresses. This decline is part of a broader trend, with sunlight gradually decreasing from the summer highs, yet September remains a delightful time to experience the golden hues of early autumn. With more sunshine than what November and December offer, September serves as a perfect blend of warm days and cool evenings, making it an ideal month for outdoor activities and exploration in the charming landscape of Montblanc.

Monthly Sunshine Duration in Montblanc: September Highlighted

The September sunshine duration represents the total number of hours Montblanc 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.
JanFebMarAprMayJunJulAugSepOctNovDec208h266h333h346h407h415h428h397h343h315h266h261h
Data source: Montblanc September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Montblanc During September

In Montblanc, Spain, September experiences a moderate likelihood of sunny weather, with a 33% chance of sunshine. This dips from the vibrant summer months, where July boasts a 69% likelihood of sun and August follows closely with 52%. As autumn approaches, the sun’s presence wanes, echoing the trend seen in the spring months of April at 35% and May at 40%. This gradual decrease suggests that while September may not offer the sunshine of peak summer, it still provides a pleasant transition with occasional sunny days, ideal for outdoor activities amid the stunning backdrop of Montblanc.

Percentage of Sunny Days in September in Montblanc

The chart illustrates the percentage of sunny days in Montblanc 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 Montblanc experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec43%33%55%35%40%48%69%52%33%40%47%43%
Data source: Montblanc September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Montblanc in September

As summer transitions into autumn in Montblanc, Spain, September offers a gentle decline in daylight, with approximately 12 hours of sunshine illuminating the days. This month marks a significant shift from the peak of 15 hours in June, showcasing a steady decrease that influences the local ambiance. Following the vibrant days of July and August, September’s sunshine remains inviting, yet there’s a hint of crispness in the air, a sign that nature is preparing for the shorter days ahead. As daylight tapers off, the charming town begins to embrace the warm hues of autumn, making it a picturesque time to enjoy the beautiful landscapes bathed in soft light.

Average Daylight Hours in Montblanc for September

The chart illustrates the variation in daylight duration in Montblanc throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 32m10h 36m11h 57m13h 21m14h 31m15h 7m14h 48m13h 45m12h 25m11h 2m9h 49m9h 12m
Data source: Montblanc daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Montblanc

As September settles in Montblanc, Spain, the winds gentle whisper at an average speed of 2.1 m/s (5 mph), marking a notable decline from the breezier summer months. This trend of decreasing wind speed, which starts in April and continues through the fall, reflects a natural transition into the serene autumn season. Compared to the previous month, where the wind danced at 2.5 m/s (6 mph), September's breezes become softer and more tranquil, inviting a sense of calm as the vibrant hues of autumn begin to emerge. The overall pattern reveals a seasonal rhythm, with winds generally picking up again in late fall, hinting at the invigorating gusts typical of Montblanc’s winter months ahead.

Average September Wind Speed in Montblanc

The chart displays monthly wind speed patterns in Montblanc, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.12.62.43.12.72.82.52.1 m/s1.93.03.1
Data source: Montblanc September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Montblanc Compares to Other Months

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

September and January present markedly different weather conditions. In September, temperatures range from a minimum of 8°C (46°F) to a maximum of 31°C (88°F), with an average of 20°C (68°F). The month sees about 80 mm (3.1 in) of precipitation over 14 days, coupled with a humidity level of 68%. In contrast, January offers a much colder climate, with temperatures dipping to a minimum of -7°C (19°F) and peaking at 19°C (66°F), averaging at just 5°C (41°F). Precipitation is lower in January at 45 mm (1.8 in) but occurs over only 4 days, while humidity rises to 79%. For more detailed information, you can visit Montblanc weather in January.

September offers a much warmer climate, with average temperatures around 20°C (68°F) and maximums reaching up to 31°C (88°F), making it a pleasant month for outdoor activities. In contrast, February is significantly colder, with average temperatures dropping to 8°C (47°F) and minimums falling as low as -5°C (23°F). Additionally, September experiences more rainfall, with 80 mm over 14 days, whereas February sees less precipitation, totaling only 31 mm over 5 days. Interestingly, February has a slightly higher humidity level at 74%, compared to September's 68%. For more information on the weather specifics, check out Montblanc weather in February.

In September, temperatures are generally warmer, ranging from a cool 8°C (46°F) at night to a warm peak of 31°C (88°F) during the day, with an average of 20°C (68°F). The month sees a fair amount of precipitation, totaling 80 mm (3.1 in) over about 14 days, accompanied by a humidity level of 68%. In contrast, March experiences much cooler weather, with minimum temperatures dipping to -2°C (28°F) and an average of 10°C (51°F), reaching a maximum of 24°C (75°F). It also has less precipitation, totaling 55 mm (2.2 in) over only 8 days, and a slightly higher humidity of 71%. For a more detailed look at the weather during this month, check out Montblanc weather in March.

Comparing the weather in September and April reveals notable differences in temperature and precipitation patterns. September typically experiences warmer temperatures, with a minimum of 8°C (46°F) and an average of 20°C (68°F), peaking at a maximum of 31°C (88°F). In contrast, April starts off cooler, with a minimum of -2°C (28°F) and an average of 12°C (55°F), reaching a maximum of 27°C (81°F). Both months see considerable rainfall, with September recording 80 mm (3.1 in) over 14 days and April slightly higher at 84 mm (3.3 in) over 12 days. Humidity levels are fairly similar in both months, with September at 68% and April at 69%. For more detailed information about the weather during April, you can check Montblanc weather in April.

In comparing the weather of September and May, both months experience similar levels of precipitation, with September recording 80 mm over 14 days and May showing 79 mm over just 9 days. September tends to be warmer on average, with temperatures ranging from a minimum of 8°C to a maximum of 31°C, while May has cooler averages with a minimum of 3°C and maximum of 33°C. Humidity levels are fairly comparable, sitting at 68% in September and 66% in May. For more detailed information about the weather in May, you can visit Montblanc weather in May.

When comparing the weather in September and June, both months show some similarities in temperature ranges. September features a minimum temperature of 8°C (46°F) and an average of 20°C (68°F), with a maximum reaching up to 31°C (88°F). In contrast, June starts with a slightly higher minimum of 8°C (47°F) and an average of 21°C (70°F), peaking at a maximum of 40°C (103°F). Rainfall is more frequent in September, boasting 80 mm (3.1 in) over 14 days, compared to June's 57 mm (2.3 in) over just 9 days. Additionally, humidity levels are slightly higher in September at 68%, while June remains at a more comfortable 65%. For a deeper dive into June weather specifics, you can find more information Montblanc weather in June.

When comparing the weather in September to July, a notable difference in temperature and precipitation emerges. September typically sees a minimum temperature of 8°C (46°F) and a maximum of 31°C (88°F), averaging around 20°C (68°F). In contrast, July is warmer, with minimums of 12°C (54°F) and maximums reaching 36°C (97°F), offering an average temperature of 24°C (76°F). Additionally, September experiences more rainfall, with 80 mm (3.1 in) over 14 days, while July is much drier, recording just 33 mm (1.3 in) over 5 days. Despite the slight increase in humidity levels in September at 68% compared to July's 64%, both months provide distinct weather patterns. For a closer look at July’s conditions, you can explore Montblanc weather in July.

When comparing the weather in September to that of August, a notable shift in temperatures and humidity levels can be observed. September experiences a cooler temperature range, with a minimum of 8°C (46°F) and a maximum of 31°C (88°F), compared to August's minimum of 12°C (53°F) and maximum of 37°C (99°F). Additionally, while both months receive similar amounts of precipitation—80 mm (3.1 in) in September and 80 mm (3.2 in) in August—the rainfall in September occurs over more days, totaling 14 compared to August's 9 days. Furthermore, September’s humidity is slightly higher at 68%, compared to 64% in August. For a closer look at August weather details, check out Montblanc weather in August.

In September, temperatures range significantly from a refreshing minimum of 8°C (46°F) to a warm maximum of 31°C (88°F), with an average of 20°C (68°F). This month experiences about 80 mm (3.1 in) of precipitation over 14 days, along with a humidity level of 68%. In contrast, October brings cooler weather, with minimum temperatures dropping to 2°C (36°F) and an average temperature of 15°C (60°F), peaking at 29°C (85°F). The total precipitation slightly increases to 87 mm (3.4 in) across just 7 days, accompanied by higher humidity at 77%. For more details on the weather, visit Montblanc weather in October.

In September, the weather typically features a comfortable average temperature of 20°C (68°F), with highs reaching up to 31°C (88°F) and lows of 8°C (46°F). The month sees around 80 mm (3.1 in) of precipitation over approximately 14 days, accompanied by a humidity level of 68%.

In contrast, November brings a notable shift, with average temperatures dropping to 9°C (49°F). The maximum temperature can reach 23°C (75°F), but it can also dip as low as -2°C (28°F), marking a significant decrease in warmth. With only 60 mm (2.4 in) of precipitation over 8 days and a slightly higher humidity of 79%, November tends to feel cooler and more damp compared to the balmy September days. For a more detailed look at weather patterns, you can explore Montblanc weather in November.

The weather in September showcases a warmer climate, with temperatures ranging from a cool 8°C (46°F) at night to a warm 31°C (88°F) during the day, accompanied by an average temperature of 20°C (68°F). This month also experiences higher precipitation levels, totaling 80 mm over 14 days and a humidity level of 68%.

In contrast, December brings a significant drop in temperatures, with nighttime lows reaching -5°C (23°F) and daytime highs only reaching 18°C (64°F), resulting in an average temperature of 7°C (44°F). The month is much drier, with just 25 mm of precipitation over 4 days, and humidity slightly increases to 79%. For more details on December weather, you can visit Montblanc weather in December.

Compare Montblanc's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Montblanc

As September envelops Montblanc, the transition from summer to autumn becomes palpable, bringing a delightful blend of warmth and cool breezes. With maximum temperatures still reaching a comfortable 31°C, the average drops to a pleasant 20°C, inviting visitors to enjoy outdoor adventures. However, the month also ushers in increased humidity and occasional rainfall, contributing to the 14 precipitation days that distinguish it from the drier summer months. It's a time where the vibrant colors of fall begin to emerge, making it a unique experience for all who visit. For a more detailed overview of what to expect throughout the year, check out the Montblanc Climate.