September Weather in Obidos, Portugal

Last updated: February 24, 2025

In September, Óbidos, Portugal, experiences a delightful transition as summer begins to fade. With maximum temperatures reaching up to 31°C (88°F) and an average of 19°C (67°F), the weather remains warm yet pleasant. Nights cool down to a comfortable minimum of 13°C (56°F), inviting a refreshing evening ambiance. Although the month sees 27 mm (1.1 in) of rain over just three days, the overall humidity hovers around 67%, creating a vibrant atmosphere for both locals and visitors. This combination of warmth and occasional rain enhances the lush landscapes of this charming medieval town, making September an ideal time to explore its enchanting streets and rich history.

September Temperature in Obidos

As September rolls in, Óbidos, Portugal embraces a delightful transition from summer’s heat to the gentle warmth of early autumn. With minimum temperatures around 13°C (56°F) and average highs reaching 31°C (88°F), this month offers a pleasant balance, perfect for outdoor explorations in the charming medieval town. While early September still carries residual traces of summer's peak warmth, it gradually cools down, leading to a cozy average of 19°C (67°F). The comforting temperatures invite leisurely strolls through the cobbled streets and indulging in local delicacies, making it an ideal time to experience the rich history and vibrant culture of this picturesque destination.

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

The chart illustrates September temperature patterns in Obidos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec525556586264676867645855
Data source: Temperature data for Obidos generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Obidos

September in Obidos, Portugal, marks a gentle transition as summer fades and autumn approaches, reflected in the 27 mm (1.1 in) of precipitation recorded over three days. This month sees a noticeable increase from the minimal rainfall of previous summer months—particularly July and August, which only received 8 mm and 6 mm respectively. As the region prepares for the wet season, the sporadic showers of September signal the start of a shift in the weather pattern, paving the way for the more substantial rains that October and November typically bring. The gradual uptick in rainfall serves as a reminder of the vibrant changes in nature as the landscape prepares for fall.

September Precipitation Trends in Obidos

The chart displays monthly precipitation patterns in Obidos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4554707939178627639071
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Obidos

In September, Obidos, Portugal, experiences a noticeable shift in humidity levels, averaging 67%. This marks a gentle rise from the drier months of July and August, where humidity stabilizes at 60%. The trend reveals a gradual increase leading into the autumn months, contrasting with the higher humidity of January and November, both hitting 85%. As summer transitions to fall, September's humidity serves as a precursor to the wetter conditions ahead, setting the stage for a refreshing change in the picturesque landscape of Obidos.

September Average Humidity in Obidos

This chart illustrates the average monthly humidity levels in Obidos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%75%72%70%70%63%60%60%68%74%83%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Obidos

In September, Obidos, Portugal experiences a UV Index of 8, which places it in the very high exposure category, with a burn time of just 15 minutes. This follows a trend of rising UV levels through the summer months, peaking in June at 11 before gradually decreasing through August. Despite the slight decline in September, the index remains notably high, indicating that sun safety should still be a priority. As autumn approaches, the UV Index shifts downwards, with milder levels in October, yet it's crucial to remain vigilant in the earlier part of the month. For more detailed insights, check out the Obidos UV Index.

Maximum UV Index Levels in Obidos for September

The chart shows the monthly maximum UV Index (UVI) for Obidos 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.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Obidos 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 Obidos

September in Óbidos, Portugal, offers a delightful transition from the sizzling summer months, boasting 349 hours of sunshine. This marks a gentle decline from the peak of 420 hours in July, yet still provides ample opportunities to enjoy the town's charm under a warm sun. As autumn approaches, sunshine hours gradually decrease, but September holds onto a significant glow compared to the earlier months, with only a slight dip from August's 395 hours. Overall, this month continues to radiate warmth, inviting visitors to explore the cobbled streets and historic sights, making it a perfect time to experience the late-summer allure of this picturesque locale.

Monthly Sunshine Duration in Obidos: September Highlighted

The September sunshine duration represents the total number of hours Obidos 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.
JanFebMarAprMayJunJulAugSepOctNovDec181h228h306h352h408h409h420h395h349h312h232h218h
Data source: Obidos September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Obidos During September

September in Obidos, Portugal, offers a promising chance of sunshine, with about 58% likelihood of sunny days. This trend reflects a transition from the peak summer months, where July and August boast the highest probabilities of sunshine at 64% and 65%, respectively. As autumn approaches, the likelihood of sunny weather slightly dips, yet September retains a healthy dose of sunshine, aligning closely with the more temperate May and October months. This makes it an appealing time to enjoy the picturesque landscapes and vibrant culture of Obidos, where the lingering warmth of summer can still be felt alongside the gentle onset of fall.

Percentage of Sunny Days in September in Obidos

The chart illustrates the percentage of sunny days in Obidos 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 Obidos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%23%58%36%50%57%64%65%58%52%64%37%
Data source: Obidos September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Obidos in September

As summer fades into autumn in Óbidos, Portugal, the daylight duration begins to wane, offering a gentle reminder of the changing seasons. After basking in an impressive 14 hours of daylight during the peak of summer from June through August, September ushers in a soft transition with 12 hours of light. This significant drop from the summer months signals the impending autumn, drawing nearer to the 11 hours expected in October. With each passing month, the sun’s embrace diminishes, leading to shorter days and longer nights, weaving a tapestry of golden sunsets and crisp evenings that characterize this enchanting time of year.

Average Daylight Hours in Obidos for September

The chart illustrates the variation in daylight duration in Obidos throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 44m10h 42m11h 58m13h 15m14h 20m14h 53m14h 35m13h 38m12h 24m11h 7m10h9h 25m
Data source: Obidos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Obidos

In September, the gentle breeze of Obidos begins to soften, with an average wind speed dropping to 4.3 m/s (10 mph). This marks a shift from the summer months, where winds were at their peak, notably in July with 5.6 m/s (12 mph). As the summer heat wanes, September’s winds offer a refreshing change, though they remain relatively calm compared to the earlier season. The breeze in this charming Portuguese town complements its historic ambiance, inviting leisurely strolls through its cobblestone streets as autumn approaches. This trend of decreasing wind speeds continues into October, echoing the tranquil transition from summer to fall, making September an ideal time for visitors to embrace the serenity of Obidos.

Average September Wind Speed in Obidos

The chart displays monthly wind speed patterns in Obidos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.05.34.43.55.45.45.64.94.3 m/s3.94.65.3
Data source: Obidos September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Obidos Compares to Other Months

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

In September, the weather tends to be much warmer and drier, with temperatures ranging from a comfortable minimum of 13°C (56°F) to a high of 31°C (88°F) and average precipitation of only 27 mm (1.1 in) over just 3 days. In contrast, January's temperatures drop significantly, with a minimum of 3°C (37°F) and a maximum of 19°C (67°F), while experiencing heavier rainfall of 45 mm (1.8 in) spread across 7 days and notably higher humidity at 85%. For more details on January weather, you can check out Obidos weather in January.

In September, the weather is generally warmer with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 31°C (88°F), averaging around 19°C (67°F). During this month, precipitation is relatively low at 27 mm (1.1 in) over just 3 days, and humidity sits at 67%, making it feel comfortable for outdoor activities.

In contrast, February brings cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 22°C (71°F), averaging only 13°C (55°F). It’s also wetter in February, with 54 mm (2.1 in) of precipitation occurring over 8 days, resulting in a higher humidity level of 75%. For a detailed look at February weather in Obidos, visit Obidos weather in February.

When comparing the weather of September and March, notable differences emerge in temperature and precipitation patterns. September typically boasts warmer averages, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 31°C (88°F) and average humidity at 67%. In contrast, March is cooler, with temperatures starting at a minimum of 7°C (44°F) and peaking at 24°C (76°F), alongside slightly higher humidity at 72%. Precipitation also varies significantly; March experiences a substantial amount with 69 mm (2.7 in) spread across 9 days, compared to September's 27 mm (1.1 in) over just 3 days. For a closer look at March weather specifics, visit Obidos weather in March.

In comparing the weather in September and April, notable differences emerge. September features a warmer temperature range, with minimums of 13°C (56°F) and maximums reaching up to 31°C (88°F), while April's temperatures are milder, with minimums of 7°C (45°F) and maximums of 25°C (76°F). Additionally, September experiences significantly less precipitation, only 27 mm (1.1 in) falling over just 3 days, compared to April, which sees 79 mm (3.1 in) over 12 days. Although both months have relatively high humidity levels, April's humidity is slightly higher at 70% compared to September's 67%. For a detailed insight into April weather, you can check Obidos weather in April.

September and May both feature similar high temperatures, with maximums reaching around 31°C (89°F); however, September generally enjoys a slightly warmer average temperature of 19°C (67°F) compared to May’s 17°C (63°F). In terms of minimum temperatures, September is also a bit milder, starting at 13°C (56°F) while May begins at 10°C (49°F). When it comes to precipitation, September experiences less rainfall, totaling 27 mm (1.1 in) over about 3 days, whereas May sees higher precipitation at 39 mm (1.5 in) spread over 5 days, resulting in a marginally higher humidity level of 70% in May compared to September's 67%. For more information on May weather conditions, you can check Obidos weather in May.

September and June exhibit similar temperature ranges, with both months featuring a minimum of around 13°C (56°F) and a maximum reaching up to 31°C (88°F). However, September tends to be slightly warmer on average, with temperatures averaging 19°C (67°F) compared to June's 18°C (65°F). Precipitation levels are also noteworthy, as September experiences more rainfall totaling 27 mm (1.1 in) across 3 days, while June sees less with 17 mm (0.7 in) over 5 days. Humidity levels are fairly comparable, with September at 67% and June slightly lower at 63%. For a more detailed look at the weather specifics, visit Obidos weather in June.

In comparing the weather between September and July, we can observe some notable differences. September features a minimum temperature of 13°C (56°F) and a maximum of 31°C (88°F), with an average temperature similar to July at 19°C (67°F). However, September experiences slightly more precipitation at 27 mm (1.1 in) over three days, compared to July's 8 mm (0.3 in) over just one day. Additionally, September has higher humidity at 67%, while July's humidity is lower at 60%. For a detailed look at July's conditions, you can check Obidos weather in July.

In comparing the weather between September and August, September tends to be slightly cooler, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 31°C (88°F), whereas August experiences warmer temperatures, with a minimum of 15°C (60°F) and a maximum of 33°C (92°F). Additionally, September sees more rainfall, totaling 27 mm (1.1 in) over three days, compared to August, which records only 6 mm (0.2 in) over just one day. Humidity levels are also higher in September at 67%, compared to 60% in August. For more detailed information, you can check Obidos weather in August.

In September, the weather is typically warm with average temperatures around 19°C (67°F), peaking at a maximum of 31°C (88°F). This month sees relatively low precipitation, averaging just 27 mm (1.1 in) over about 3 days, and humidity levels are moderate at 67%. In contrast, October brings cooler temperatures, with averages dipping slightly to 18°C (64°F) and minimums reaching 9°C (48°F). Precipitation increases significantly to 63 mm (2.5 in) over approximately 6 days, and humidity rises to 74%, creating a more damp atmosphere. For more detailed insights about conditions this month, check out Obidos weather in October.

When comparing the weather in September and November, it's clear that November tends to be much cooler and wetter. In September, temperatures range from a minimum of 13°C (56°F) to a maximum of 31°C (88°F), with an average of 19°C (67°F) and relatively low precipitation of 27 mm (1.1 in) over just 3 days. In contrast, November sees temperatures dropping to a minimum of 8°C (46°F) and peaking at 23°C (73°F), with an average of 14°C (58°F). Additionally, November experiences significantly higher precipitation at 90 mm (3.6 in) over 13 rainy days, resulting in increased humidity levels of 83%. For a detailed look at the weather patterns in this month, you can check Obidos weather in November.

In September, the weather is considerably warmer, with average temperatures reaching around 19°C (67°F) and maximum highs of 31°C (88°F), while humidity is at a moderate 67%. Precipitation is relatively low, with only 27 mm (1.1 in) falling over about three days. In contrast, December brings a significant drop in temperature, with average highs of just 13°C (55°F) and a minimum of 5°C (42°F). The month is wetter, receiving 71 mm (2.8 in) of rain over approximately ten days, and humidity increases to 85%. For a more detailed look at the weather in December, you can visit Obidos weather in December.

Compare Obidos's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Obidos

As summer gently transitions into autumn, September in Obidos offers a delightful blend of warmth and refreshing breezes. With average temperatures hovering around a cozy 19°C, the days can peak at a pleasant 31°C, allowing for enjoyable outdoor activities. While the air remains comfortably humid at 67%, the precipitation is minimal, with only a few days of rain to help nourish the landscape. This month’s weather is an inviting shift from the intense heat of summer, providing the perfect backdrop for exploring the charming streets of this historic town. For a deeper understanding of what awaits you throughout the year, check out the full details at Obidos Climate.