September Weather in Funchal, Portugal

Last updated: February 24, 2025

In Funchal, Portugal, September offers a delightful climate that balances warmth and refreshing breezes. With a maximum temperature reaching 27°C (81°F) and an average of 21°C (70°F), visitors can enjoy pleasant days filled with sunshine. The evenings cool to a comfortable 17°C (63°F), creating a cozy atmosphere for outdoor activities. Although the month sees 18 mm (0.7 in) of precipitation across roughly 6 days, the overall humidity levels linger around 81%, adding to the lush ambiance of this beautiful island. September is an ideal time to explore Funchal's vibrant cultural attractions and stunning landscapes, making it a perfect getaway.

September Temperature in Funchal

In September, Funchal, Portugal, enjoys a delightful blend of warmth and comfort, with temperatures ranging from a mild 17°C (63°F) at night to a pleasant 27°C (81°F) during the day. This month marks a smooth transition from the summer heat, as the average temperature settles around 21°C (70°F), making it one of the most inviting times to visit. Visitors can revel in long, sunny days, while the ocean remains warm from the summer sun, perfect for swimming and outdoor activities. As the month progresses, temperatures begin to dip slightly, signaling the approach of autumn, but the overall climate remains quite welcoming, ensuring that Funchal’s charm continues to shine bright.

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

The chart illustrates September temperature patterns in Funchal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec585858596265687169676360
Data source: Temperature data for Funchal 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 Funchal

September in Funchal, Portugal, marks the transition from summer to autumn, characterized by moderate rainfall of 18 mm (0.7 in) spread over 6 days. This uptick in precipitation follows the notably dry summer months of July and August, which recorded just 7 mm (0.3 in) and 8 mm (0.3 in), respectively. By September, the lingering warmth is met with light showers, hinting at the wetter months ahead. As the landscape shifts in preparation for autumn, the gradual increase in rainfall sets the stage for more frequent downpours, with expectations of 57 mm (2.3 in) in October, reflecting a clear seasonal trend toward increased precipitation.

September Precipitation Trends in Funchal

The chart displays monthly precipitation patterns in Funchal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3860525623368818576758
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Funchal

September in Funchal, Portugal, sees an average humidity of 81%, marking a slight decrease from the peak levels of 83% observed in the summer months of July and August. This gradual decline signals the transition towards drier autumn conditions, as related months like October also maintain high humidity but drop to 80%. Notably, the overall trend in Funchal showcases a pattern of increased humidity during the warmer months, particularly between June and August, with levels fluctuating between 80% and 83% before easing off in September and beyond. As the year progresses into the cooler months, humidity stabilizes around 75%, providing a refreshing contrast to the lush, vibrant atmosphere of the summer.

September Average Humidity in Funchal

This chart illustrates the average monthly humidity levels in Funchal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec75%75%78%78%77%80%83%83%81%80%75%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Funchal

As September arrives in Funchal, Portugal, the UV Index remains elevated with a reading of 10, categorizing it as very high and indicating a burn time of just 15 minutes for unprotected skin. This trend reflects the lingering summer sun, making it crucial to prioritize sun safety as the month transitions from the peak of summer. The UV Index in Funchal peaks at 12 in June but begins to taper off in October, with similar readings of 10 and 8 expected in the following months. It's clear that while September may signal the end of summer, the need for sun protection continues, urging residents and visitors alike to stay vigilant. For more detailed information, check out Funchal UV Index.

Maximum UV Index Levels in Funchal for September

The chart shows the monthly maximum UV Index (UVI) for Funchal 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.
JanFebMarAprMayJunJulAugSepOctNovDec468101112111110864
Data source: Funchal 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 Funchal

As summer wanes and September unfolds in Funchal, Portugal, the island continues to bask in warmth, boasting an impressive 338 hours of sunshine. This figure highlights a gradual decline from the peak summer months of July and August, which basked in nearly 400 hours of sunlight. However, September remains a bright gem, perfectly positioned between the sun-soaked days of summer and the cooler embrace of autumn. The trend of increasing daylight hours from January through to May culminates in the lush warmth of summer, making Funchal a spectacular destination as sun-kissed days linger a little longer. Even as October approaches with its 321 hours of sunshine, September stands out, inviting travelers to revel in the varying shades of golden light that illuminate the island's stunning landscapes.

Monthly Sunshine Duration in Funchal: September Highlighted

The September sunshine duration represents the total number of hours Funchal 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.
JanFebMarAprMayJunJulAugSepOctNovDec191h244h299h352h373h376h391h380h338h321h260h246h
Data source: Funchal September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Funchal During September

September in Funchal, Portugal, welcomes a notable transition in weather patterns as summer begins to fade. With a 45% chance of sunny days, it stands at a cusp compared to the vibrant peaks of July and August, which boast probabilities of 63% and 60%, respectively. This slight dip indicates that while the summer warmth lingers, the month also hints at the approaching autumn. As October follows with a 50% chance of sun, it’s clear that Funchal maintains a pleasant climate, making September an appealing choice for those seeking a blend of summer’s end and autumn’s embrace.

Percentage of Sunny Days in September in Funchal

The chart illustrates the percentage of sunny days in Funchal 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 Funchal experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%44%43%38%44%43%63%60%45%50%37%32%
Data source: Funchal September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Funchal in September

As summer fades into autumn in Funchal, Portugal, September presents a gentle decline in daylight, averaging 12 hours per day. This month bridges the summer’s peak of 14 hours in June and July, gradually yielding to the shorter days of October. With daylight hours dropping slightly after a warm August, September offers a comfortable balance, still infused with the vibrant energy of late summer. Visitors can enjoy the lingering sunshine as the region begins to cool, creating the perfect backdrop for exploring Funchal's stunning landscapes and rich cultural experiences. The gradual transition in daylight reflects the rhythm of the seasons, inviting both locals and travelers to embrace the changes that autumn brings.

Average Daylight Hours in Funchal for September

The chart illustrates the variation in daylight duration in Funchal throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 15m11h11h 59m13h13h 50m14h 15m14h 2m13h 17m12h 19m11h 19m10h 27m10h
Data source: Funchal daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Funchal

As summer fades and autumn approaches, the September winds in Funchal, Portugal maintain a gentle embrace, averaging 2.8 m/s (6 mph). This slight dip from the summer peak reflects a gradual transition; July and August both enjoyed higher wind speeds at around 3.2 m/s (7 mph). However, September's breeze remains refreshing, setting a serene atmosphere as the island prepares for the cooler months. Notably, the winds begin to taper off in October, hinting at the encroaching tranquility of winter. Nevertheless, with wind speeds generally stable throughout the year, Funchal’s coastal charm continues to draw visitors seeking the perfect blend of warmth and mildness.

Average September Wind Speed in Funchal

The chart displays monthly wind speed patterns in Funchal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.93.22.73.03.13.22.72.8 m/s2.52.93.4
Data source: Funchal September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Funchal Compares to Other Months

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

In September, the weather is generally warmer, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 27°C (81°F). This month tends to be more humid, with an average humidity level of 81% and relatively low precipitation at 18 mm (0.7 in) over about 6 days. In contrast, January experiences cooler temperatures, averaging between 9°C (49°F) and 22°C (71°F), while the humidity decreases slightly to around 75%. Precipitation is more prevalent in January, totaling 38 mm (1.5 in) over 7 days. For more detailed information about January weather, you can check Funchal weather in January.

September and February present distinctly different weather patterns. In September, temperatures are generally warmer, with a minimum of 17°C (63°F) and average highs reaching 27°C (81°F). The month experiences relatively low precipitation, averaging just 18 mm (0.7 in) over about 6 days, and maintaining a higher humidity at 81%. In contrast, February showcases cooler weather, with minimum temperatures dropping to 9°C (49°F) and average highs around 22°C (72°F). This month is wetter, with precipitation totaling 60 mm (2.4 in) across 9 days, and slightly lower humidity at 75%. For more detailed information on February weather, you can check Funchal weather in February.

September and March exhibit notable differences in weather patterns. September typically enjoys warmer temperatures, with averages around 21°C (70°F) and maximums reaching 27°C (81°F), while March is cooler, averaging 14°C (58°F) and peaking at 24°C (76°F). In terms of precipitation, September sees less rain, averaging only 18 mm over about 6 days, compared to March, which experiences more significant rainfall of 52 mm spread over 9 days. Humidity remains relatively high for both months, with September at 81% and March slightly lower at 78%. For a more detailed look at March weather, visit Funchal weather in March.

In comparing the weather of September and April, September offers warmer temperatures, with a minimum of 17°C (63°F) and an average of 21°C (70°F), while April sees cooler conditions with a minimum of 11°C (51°F) and an average of 15°C (60°F). Precipitation levels are notably higher in April, with 56 mm (2.2 in) recorded over 12 days, compared to September's 18 mm (0.7 in) over just 6 days, indicating a wetter spring. Humidity remains relatively high in both months, sitting at 81% in September and slightly lower at 78% in April. For a detailed look at the weather patterns during this month, check out Funchal weather in April.

In comparing the weather of September and May, September tends to be warmer, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 27°C (81°F), while May has cooler averages with temperatures ranging from 12°C (53°F) to 26°C (78°F). Additionally, September experiences slightly less precipitation at 18 mm (0.7 in) over 6 days, compared to May's 23 mm (0.9 in) over the same number of days. Humidity levels are relatively similar, with September at 81% and May at 77%, indicating that both months can feel quite humid. For those interested in more details, you can check out Funchal weather in May.

When comparing the weather in September and June, we can observe some notable differences. September typically enjoys warmer temperatures, with averages around 21°C (70°F), reaching a maximum of 27°C (81°F), while June has slightly cooler conditions, with an average temperature of 18°C (65°F) and a maximum of 26°C (79°F). Precipitation is more abundant in June, with 36 mm (1.4 in) over 7 days compared to September's 18 mm (0.7 in) over 6 days, making June slightly wetter. Both months exhibit high humidity levels, around 81% in September and 80% in June, contributing to a comfortable yet humid atmosphere. For more details about June weather, you can check out Funchal weather in June.

In comparing the weather of September and July, we find that September offers slightly warmer average temperatures, with a minimum of 17°C (63°F) and a maximum of 27°C (81°F), compared to July's minimum of 16°C (62°F) and a maximum of 27°C (82°F). Both months experience similar high temperatures, but September is notably wetter, with 18 mm (0.7 in) of precipitation spread over 6 days, while July is much drier with only 7 mm (0.3 in) over just 1 day. Humidity levels are quite close, with September at 81% and July slightly higher at 83%. For more detailed information, you can check Funchal weather in July.

In comparing the weather conditions of September and August, both months display similar minimum temperatures, with September maintaining a minimum of 17°C (63°F). However, September's average temperature slightly dips to 21°C (70°F), while August registers a marginally higher average of 21°C (71°F). The maximum temperature in August reaches 29°C (84°F), surpassing September’s max of 27°C (81°F). When it comes to precipitation, September sees more rain, with 18 mm (0.7 in) over 6 days compared to August's 8 mm (0.3 in) over just 2 days. Humidity levels are quite comparable, with September at 81% and August at 83%. For more detailed information, you can check Funchal weather in August.

September's weather is generally warmer, with average temperatures hovering around 21°C (70°F) and maximums reaching up to 27°C (81°F). The month experiences relatively low precipitation, totaling only 18 mm (0.7 in) over about 6 days, with humidity slightly higher at 81%. In contrast, October sees a slight dip in minimum temperatures to 14°C (58°F) and an overall average of 20°C (67°F), while still peaking at a warm 28°C (82°F). However, this month brings more rainfall, with precipitation increasing to 57 mm (2.3 in) across approximately 10 days, and humidity remains stable at 80%. For a more detailed look at October's conditions, you can check Funchal weather in October.

In September, the weather is typically warmer, with average temperatures around 21°C (70°F) and maximums reaching 27°C (81°F), while November sees a drop in temperatures, averaging 17°C (63°F) and peaking at 26°C (79°F). September experiences less precipitation, with only 18 mm (0.7 in) over about 6 days, whereas November is much wetter, receiving 67 mm (2.6 in) spread across 15 days. Despite the increased rainfall in November, humidity levels are slightly lower at 75%, compared to September's 81%. For more information on November weather specifics, you can visit Funchal weather in November.

September and December showcase distinct differences in weather patterns. In September, temperatures range from a minimum of 17°C (63°F) to a maximum of 27°C (81°F), with an average of 21°C (70°F). Precipitation is relatively low at 18 mm (0.7 in) over 6 days, and humidity remains high at 81%. In contrast, December sees cooler temperatures, with a minimum of 10°C (51°F) and a maximum of 21°C (70°F) for an average of 16°C (61°F). This month is wetter, with 58 mm (2.3 in) of precipitation spread over 11 days and slightly lower humidity at 75%. For more details on the weather conditions in December, visit Funchal weather in December.

Compare Funchal's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Funchal

As September arrives in Funchal, the weather transitions into a delightful blend of warmth and mildness, offering visitors a perfect escape from the summer heat. With maximum temperatures hovering around a comfortable 27°C (81°F) and average conditions settling at 21°C (70°F), this month strikes a harmonious balance that makes outdoor exploration truly enjoyable. Although there's a slight uptick in precipitation days, the overall rainfall remains minimal, allowing for plenty of sun-soaked adventures. Coupled with a humidity level of 81%, the climate in September provides a refreshing yet pleasant atmosphere that sets it apart from the cooler and rainier months ahead. For those planning to experience this vibrant destination, September presents an ideal window. Learn more about the yearly patterns of Funchal's weather in our detailed overview at Funchal Climate.