September Weather in Pamplona, Spain

Last updated: February 6, 2025

In September, Pamplona experiences a delightful mix of late summer warmth and early autumn coolness. With maximum temperatures soaring up to 32°C (90°F) and an average of 18°C (64°F), the weather offers plenty of opportunities for outdoor activities. However, as the month progresses, the minimum temperature can dip to 4°C (39°F), reminding residents of the approaching fall. Rainfall is moderate, totaling 44 mm (1.7 in) across 7 rainy days, which contributes to the area's lush landscapes. The humidity levels hover around 75%, adding a refreshing feel to the air, making September a charming time to explore the vibrant streets and rich culture of Pamplona.

September Temperature in Pamplona

September in Pamplona, Spain, signals a delightful transition from the sweltering summer heat to more temperate conditions. With minimum temperatures around 4°C (39°F) and an average of 18°C (64°F), the month offers a comfortable climate that invites outdoor exploration. Daytime highs reach up to 32°C (90°F), making it one of the last chances to enjoy the warm sun before autumn settles in. Compared to the preceding hot summer months, September presents a pleasant drop in temperature, creating an ideal environment for both locals and visitors to savor the city's vibrant atmosphere and rich culture without the extreme heat. As the month progresses, the evenings grow cooler, hinting at the forthcoming changes in nature, while still allowing for enjoyable days spent discovering the beauty of Pamplona.

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

The chart illustrates September temperature patterns in Pamplona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404547515865696964564743
Data source: Temperature data for Pamplona 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 Pamplona

September in Pamplona, Spain, marks the transition from summer's warmth to the cool embrace of autumn, bringing a modest precipitation total of 44 mm (1.7 in) over 7 days. This amount, while less than the spring and early summer months, highlights a gradual increase compared to the preceding summer's drier conditions, where July and August saw only 27 mm (1.1 in) and 47 mm (1.8 in) respectively. The steady uptick in rainfall in September sets the stage for the wetter months ahead, as the region braces for the typical autumn pattern, with October and November bringing more substantial precipitation averages of 70 mm (2.8 in) and 98 mm (3.9 in), respectively. This gentle reintroduction of rain not only nurtures the changing landscape but also signals the arrival of a vibrant new season in Pamplona.

September Precipitation Trends in Pamplona

The chart displays monthly precipitation patterns in Pamplona, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7963819172772747447098104
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Pamplona

As summer transitions into autumn, September in Pamplona, Spain witnesses a gentle decline in humidity, registering at 75%. This marks the lowest level of the year, following the warmer months of July and August, where humidity levels remained around 80% and 76%, respectively. Interestingly, as the seasons shift, there's a notable increase in humidity again by October, rising to 81%. This trend highlights the region's dynamic climate, where the refreshing crispness of September serves as a prelude to the moister months ahead, setting the stage for a cozy autumn atmosphere.

September Average Humidity in Pamplona

This chart illustrates the average monthly humidity levels in Pamplona, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%83%81%80%81%80%76%75%81%85%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Pamplona

As summer fades into fall, September in Pamplona sees a UV Index of 7, categorizing it as high exposure. This month marks a gradual decline from the sizzling heights of July and August, where the UV Index peaked at 10 and 9, respectively. Interestingly, despite the drop, the burn time remains relatively short at 25 minutes, reminding residents and visitors that sun safety is still crucial. This trend continues into October, where the UV Index falls to 6, indicating that while the summer sun retreats, protective measures should remain a priority. For detailed information on UV exposure throughout the year, visit Pamplona UV Index.

Maximum UV Index Levels in Pamplona for September

The chart shows the monthly maximum UV Index (UVI) for Pamplona 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.
JanFebMarAprMayJunJulAugSepOctNovDec34689111097632
Data source: Pamplona 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 Pamplona

As summer gently gives way to autumn, September in Pamplona, Spain, shines with a delightful 339 hours of sunlight. This month reflects a natural transition, showcasing a reduction from the peak of 414 hours in July, yet it remains significantly brighter than the winter months ahead. The gradual decline in daylight continues from the vibrant summer months, following a consistent upward trend from 183 hours in January to a sun-drenched 391 hours in June. Despite this decrease, September’s sunshine still outshines the early months of the year, ensuring that the city's beautiful landscapes bask in warmth and light, inviting locals and visitors alike to savor the lingering warmth of summer before the cooler days of October set in.

Monthly Sunshine Duration in Pamplona: September Highlighted

The September sunshine duration represents the total number of hours Pamplona 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.
JanFebMarAprMayJunJulAugSepOctNovDec183h245h309h336h383h391h414h392h339h297h238h223h
Data source: Pamplona September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Pamplona During September

In Pamplona, Spain, the likelihood of sunny weather experiences a notable shift as the seasons change. Starting with a modest 21% chance of sunshine in January, the percentage gradually rises through the spring months, peaking at 49% in August—a time when the sun shines brightest. As summer transitions into autumn, September offers a 31% likelihood of sunshine, a decline from the preceding peak but still promising compared to earlier months. Following September, the chances of sunny days begin to stabilize around 37% in October, illustrating a gentle descent into the cooler months. This pattern underscores September as a sweet spot—albeit less sunny than summer—where one can still enjoy pleasant weather before the chill of autumn sets in.

Percentage of Sunny Days in September in Pamplona

The chart illustrates the percentage of sunny days in Pamplona 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 Pamplona experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%20%42%36%27%40%44%49%31%37%22%27%
Data source: Pamplona September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Pamplona in September

As summer transitions to autumn in Pamplona, Spain, September brings a gentle decline in daylight, with the city enjoying approximately 12 hours of sunlight. This marks a shift from the long, sun-drenched days of summer, which peaked at 15 hours in June and 14 hours in July. As the year progresses into autumn, daylight begins to wane, with September's hours still offering a comfortable balance before the shorter days of October and November settle in, each dropping to 10 hours and 9 hours respectively. This rhythm of daylight serves as a reminder of the changing seasons, encouraging the embrace of the vibrant fall colors that begin to paint the landscape.

Average Daylight Hours in Pamplona for September

The chart illustrates the variation in daylight duration in Pamplona throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 24m10h 32m11h 57m13h 24m14h 39m15h 16m14h 56m13h 50m12h 26m10h 59m9h 43m9h 3m
Data source: Pamplona daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Pamplona

As September arrives in Pamplona, Spain, the winds begin to soften, with an average speed of 2.5 m/s (6 mph), marking a noticeable dip from the summer months. This gentle breeze is characteristic of the transition into autumn, where the lively gusts of July and August give way to a more subdued atmosphere. Interestingly, the wind speeds fluctuate throughout the year, peaking in March at 3.4 m/s (8 mph), suggesting that Pamplona enjoys its briskest winds in early spring. The steady decline into the fall months signals a calm yet crisp ambiance, perfect for exploring the city's historic streets. As the weather cools, the September breeze invites both locals and visitors to savor the beauty of Pamplona’s changing landscape, all while harking back to the invigorating gusts of summer.

Average September Wind Speed in Pamplona

The chart displays monthly wind speed patterns in Pamplona, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.93.33.43.32.72.83.23.02.5 m/s2.83.32.5
Data source: Pamplona September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Pamplona Compares to Other Months

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

September and January present stark contrasts in weather conditions. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 32°C (90°F), with an average of 18°C (64°F), creating a warm and pleasant atmosphere. Precipitation is relatively low at 44 mm (1.7 in) over about 7 days, and humidity sits at 75%. In contrast, January experiences much colder temperatures, ranging from -6°C (22°F) to a max of 17°C (62°F), with an average of just 4°C (40°F). This winter month sees increased rainfall, totaling 79 mm (3.1 in) across 11 days, coupled with a higher humidity level of 86%. For more detailed information, you can check Pamplona weather in January.

In comparing September and February weather, we see notable differences in temperature and precipitation. September typically enjoys a warm climate with temperatures ranging from a low of 4°C (39°F) to a high of 32°C (90°F), and an average of 18°C (64°F), while February experiences much cooler conditions with temperatures ranging from -7°C (20°F) to 21°C (70°F) and an average of 7°C (45°F). Additionally, February tends to be wetter, with about 63 mm (2.5 in) of precipitation over 10 days, compared to September's 44 mm (1.7 in) spread over 7 days. The increased humidity in February, at 85%, is also noticeable compared to September's 75%. For more detailed information, you can check Pamplona weather in February.

September and March showcase distinct weather patterns, with September generally offering warmer and drier conditions. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 32°C (90°F), with an average of 18°C (64°F) and only 44 mm (1.7 in) of precipitation over about 7 days. In contrast, March experiences cooler temperatures, starting from a low of -4°C (26°F) and reaching a maximum of 24°C (76°F), with an average of 8°C (47°F). Additionally, March is wetter, receiving 81 mm (3.2 in) of precipitation across 13 days, accompanied by higher humidity levels at 82%. For more details on March weather, you can check Pamplona weather in March.

When comparing the weather in September and April, several notable differences emerge. September boasts warmer temperatures, with a minimum of 4°C and an average of 18°C, peaking at 32°C. In contrast, April's temperatures are cooler, ranging from a minimum of -3°C to a maximum of 24°C, resulting in an average of 11°C. Additionally, April experiences more precipitation, with 91 mm over 13 days compared to September's 44 mm over just 7 days. The humidity levels are relatively close, with April slightly higher at 81% versus September's 75%. For a more detailed look at the climate, you can check out Pamplona weather in April.

September and May present distinct weather patterns, showcasing the transition between summer and autumn in September, and the onset of spring in May. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 32°C (90°F), with an average of 18°C (64°F) and a relatively moderate level of precipitation at 44 mm (1.7 in) across about 7 days. In contrast, May features cooler minimum temperatures, dipping to -1°C (31°F), and an average temperature of 14°C (58°F), while still peaking at 32°C (90°F). However, May experiences more precipitation, totaling 72 mm (2.8 in) over approximately 11 days, along with slightly higher humidity at 80%. For more details about May weather, you can visit Pamplona weather in May.

In comparing the weather of September and June, both months showcase a range of temperatures, but they differ slightly in terms of extremes and overall conditions. September has a minimum temperature of 4°C (39°F) and a maximum of 32°C (90°F), resulting in an average of 18°C (64°F). In contrast, June sees a slightly higher minimum of 5°C (41°F) and can reach up to 38°C (100°F), maintaining the same average of 18°C (65°F). Precipitation is more prominent in June, with 77 mm (3.0 in) over 12 days compared to September's 44 mm (1.7 in) over 7 days. Additionally, June has a higher humidity at 81%, while September's humidity sits at 75%. For a more detailed look at June weather, check out Pamplona weather in June.

In comparing the weather of September and July, we find that September offers a broader temperature range, with minimums dropping to 4°C (39°F) and maximums reaching 32°C (90°F). In contrast, July is generally warmer, with minimum temperatures around 8°C (46°F) and maximums soaring up to 37°C (99°F). Rainfall is slightly more frequent in September, averaging 44 mm (1.7 in) over 7 days, compared to July's 27 mm (1.1 in) over 6 days. Additionally, while September's humidity sits at 75%, July experiences a slightly higher humidity level of 80%. For more detailed insights on July weather, you can check Pamplona weather in July.

In comparing the weather of September and August, we observe a notable shift in temperature and precipitation patterns. September experiences a broader temperature range, with minimums dropping to 4°C (39°F) while the maximum can reach up to 32°C (90°F), resulting in an average temperature of 18°C (64°F). In contrast, August maintains warmer conditions, with minimums around 8°C (47°F) and maxima soaring to 37°C (99°F), averaging 20°C (69°F). Despite similar precipitation levels—with September seeing 44 mm (1.7 in) and August slightly higher at 47 mm (1.8 in)—both months share a comparable number of rainy days at seven. Humidity remains high in both months, peaking at 75% in September and 76% in August, contributing to a subtropical feel during these transition months. For more details, check out Pamplona weather in August.

In September, the weather showcases a warm range with temperatures varying from a cool 4°C (39°F) at night to a sunny high of 32°C (90°F) during the day, along with 44 mm (1.7 in) of precipitation over approximately 7 days and a humidity level of 75%. In contrast, October brings a notable drop in temperatures, with nighttime lows dipping to -1°C (31°F) and daytime highs averaging around 27°C (81°F). Additionally, October experiences increased precipitation at 70 mm (2.8 in) spread over 9 days, coupled with a slightly higher humidity of 81%. For a more detailed look at the climate specifics, you can check out Pamplona weather in October.

September and November exhibit contrasting weather patterns, reflecting the transition from late summer to early winter. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 32°C (90°F), with an average of 18°C (64°F). This month typically sees 44 mm (1.7 in) of precipitation over 7 days and a humidity level of 75%. In contrast, November brings cooler temperatures, with a minimum of -2°C (28°F), an average of 8°C (47°F), and a maximum of 21°C (69°F). Precipitation rises significantly to 98 mm (3.9 in) over 15 days, accompanied by slightly higher humidity at 85%. The shift in weather highlights the transition into winter, making November a considerably wetter and cooler month. For more detailed information, check Pamplona weather in November.

September and December display striking differences in weather conditions. In September, temperatures range from a mild 4°C (39°F) to a warm 32°C (90°F), averaging around 18°C (64°F), with relatively low precipitation of 44 mm (1.7 in) spread over about 7 days and a humidity level of 75%. In contrast, December brings much colder temperatures, with a minimum of -7°C (20°F) and a maximum of 16°C (61°F), averaging only 6°C (43°F). Precipitation increases significantly to 104 mm (4.1 in) over 13 days, along with higher humidity at 87%. For more detailed insights, you can check out Pamplona weather in December.

Compare Pamplona's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Pamplona

As summer fades into autumn, September in Pamplona brings a delightful shift in weather. Nights become crisp, contrasting with the warm afternoons where temperatures can still peak around 32°C. This month experiences a moderate level of humidity at 75%, while rainfall is relatively light, with an average of just 44 mm spread over 7 days. Compared to the sweltering heat of July and August, September offers a more bearable climate ideal for exploring the city's rich history and vibrant atmosphere. For a deeper understanding of the evolving weather patterns throughout the year, check out the Pamplona Climate.