September Weather in Naarden, Netherlands

Last updated: August 27, 2025

September in Naarden, Netherlands, showcases a dynamic climate marked by temperature extremes, ranging from a maximum of 31°C (87°F) to a refreshing minimum of 2°C (36°F). The average temperature rests comfortably at 15°C (59°F), making early autumn a delightful transition. During this month, the region receives about 75 mm (2.9 in) of precipitation spread across 11 days, contributing to an overall humidity level of 83%. Visitors can expect a mix of sunny and rainy days, perfect for experiencing Naarden's charming scenery.

September Temperature in Naarden

As September rolls into Naarden, the temperatures mark a noticeable transition from the warmth of summer to the cooler embrace of autumn. With minimums around 2°C (36°F) and an average of 15°C (59°F), the air begins to carry a refreshing crispness that hints at the changing seasons. Daytime highs can still be pleasantly warm, reaching up to 31°C (87°F), a final burst reminiscent of summer's warmth. This mixture of comfortable warmth during the day and cooler evenings creates a delightful backdrop for outdoor activities, making September a truly enchanting time to experience the beauty of Naarden as it prepares for the colorful fall ahead.

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

The chart illustrates September temperature patterns in Naarden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Naarden, 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).
JanFebMarAprMayJunJulAugSepOctNovDec404144495664656559544542
Data source: Temperature data for Naarden 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 Naarden

In September, Naarden experiences a notable shift in its weather patterns, with precipitation averaging 75 mm (2.9 in) across 11 rainy days. This level of rainfall is consistent with the wet summer months preceding it, such as August, which saw more rain at 84 mm but over a longer duration of 16 days. As the season transitions to autumn, September's rainfall serves as a reminder of the approaching cooler months, with October usually bringing even more precipitation at 85 mm. This gradual increase from summer to autumn showcases Naarden's characteristic damp climate, inviting a vibrant transformation in the landscape as the leaves begin to change.

September Precipitation Trends in Naarden

The chart displays monthly precipitation patterns in Naarden, 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 Naarden, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec587172436476758475855187
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Naarden

In Naarden, Netherlands, September brings a slight increase in humidity, averaging around 83%. This marks a shift from the drier summer months of July and August, which maintain a steadiness at 75%. As autumn approaches, the humidity begins to rise again, reminiscent of the spring months when levels hovered around 84% to 86%. Interestingly, the trend shows a gradual increase from September into the fall, with October reaching 86% and November further elevating to 87%. This transition signifies not only the end of summer but also the return of the more humid conditions typical of the region during the colder months.

September Average Humidity in Naarden

This chart illustrates the average monthly humidity levels in Naarden, 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 Naarden is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%86%84%80%75%75%75%83%86%87%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Naarden

As September unfolds in Naarden, the UV Index drops to 5, indicating a moderate level of sun intensity and a burn time of around 30 minutes. This marks a transition from the more intensive UV exposure of the summer months, where indices peaked at 8 in June and July, demanding extra caution under the sun. Although the UV Index remains manageable, it's important to stay vigilant, especially as the autumn sun reappears. This moderate level reminds us that skin protection is still essential during early fall. For a comprehensive understanding of UV trends throughout the year, explore more at Naarden UV Index.

Maximum UV Index Levels in Naarden for September

The chart shows the monthly maximum UV Index (UVI) for Naarden 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 Naarden typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Naarden 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 Naarden

As summer gently gives way to autumn, September in Naarden offers a delightful farewell to the sunshine with 324 hours of bright light—more than enough to enjoy the lingering warmth of the season. Following the peak of July's 417 hours, September experiences a noticeable decrease, yet it remains significantly sunnier than the gray days ahead in October and November. This month stands out as a transition, where the daylight begins to soften, yet still invites residents and visitors alike to savor outdoor moments, crisp air, and scenic views of the historic town bathed in golden hues. It's a time to relish the shifts of nature as the lushness of summer gradually gives way to the cozy embrace of autumn.

Monthly Sunshine Duration in Naarden: September Highlighted

The September sunshine duration represents the total number of hours Naarden 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.
JanFebMarAprMayJunJulAugSepOctNovDec111h198h279h358h409h404h417h393h324h238h191h131h
Data source: Naarden September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Naarden During September

In September, Naarden, Netherlands, enjoys a moderate 32% chance of sunny weather, mirroring the sunniest conditions of the peak summer months, but with a slight downturn as autumn approaches. This month reflects a stable continuation in sunshine that began in April, as the likelihood of clear skies remains consistent, providing a pleasant transition into fall. While not as bright as the height of summer, September still offers opportunities for outdoor activities, encouraging both locals and visitors to relish the mild warmth before the winter chill sets in. Overall, it's a time to embrace the lingering sun before the days grow shorter and gray.

Percentage of Sunny Days in September in Naarden

The chart illustrates the percentage of sunny days in Naarden 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 Naarden experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%27%35%40%31%37%32%32%32%27%22%17%
Data source: Naarden September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Naarden in September

As September arrives in Naarden, Netherlands, daylight begins to wane, with the sun gracing the skies for 12 hours each day. This marks a gentle shift from the long, luminous summer days, where June and July basked in 16 hours of sunlight. As the warmth of summer fades, the transition to autumn brings shorter days; however, September still allows for ample outdoor activities before the daylight dips further to 10 hours in October. This gradual decrease in daylight serves as a beautiful reminder of nature's cycle, inviting residents to savor the last golden hues of the season before embracing the cozy embrace of fall.

Average Daylight Hours in Naarden for September

The chart illustrates the variation in daylight duration in Naarden throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 17m9h 55m11h 54m13h 57m15h 44m16h 40m16h 10m14h 34m12h 36m10h 34m8h 44m7h 46m
Data source: Naarden daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Naarden

As September rolls into Naarden, the gentle breeze begins to settle, with average wind speeds dipping to 3.2 m/s (7 mph). This marks a noticeable decline from the slightly brisker days of late summer, where August's winds reached 3.9 m/s (9 mph). Reflecting a broader seasonal trend, September's winds mirror the calmness found in June and July, suggesting a transition towards the more robust gusts typical of autumn. Interestingly, as the months progress towards October, which boasts an uptick to 4.6 m/s (10 mph), Naarden's air begins to stir once again, hinting at the blustery conditions that accompany the change of seasons. Thus, September serves as a serene yet fleeting interlude, bridging the gentle warmth of summer with the invigorating winds of fall.

Average September Wind Speed in Naarden

The chart displays monthly wind speed patterns in Naarden, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.44.34.04.13.13.43.93.2 m/s4.63.54.2
Data source: Naarden September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Naarden Compares to Other Months

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

September and January present stark contrasts in temperature and overall weather conditions. In September, temperatures range from a refreshing 2°C (36°F) to a warm 31°C (87°F), with an average of 15°C (59°F). Despite experiencing 75 mm of precipitation over 11 days, the humidity sits at a moderate 83%, making for a typically mild late summer experience. In contrast, January ushers in colder conditions, with temperatures dropping to a minimum of -8°C (18°F) and peaking only at 14°C (58°F), averaging around 4°C (40°F). While precipitation in January is slightly lower at 58 mm over 12 days, the humidity rises to 88%, contributing to a damp and chilly winter climate. For more detailed insights into January's weather patterns, you can check Naarden weather in January.

September and February present contrasting weather conditions. In September, temperatures range from a minimum of 2°C (36°F) to a pleasant average of 15°C (59°F), peaking at a warm 31°C (87°F). With around 75 mm (2.9 in) of precipitation over 11 days and humidity at 83%, September tends to feel balmy and humid. In contrast, February experiences much cooler weather, with minimum temperatures plunging to -11°C (13°F) and an average of only 5°C (41°F). The maximum is significantly lower at 18°C (65°F), while precipitation remains slightly lower at 71 mm (2.8 in) across 12 days, and humidity increases to 88%. This stark difference highlights the transition from late summer warmth to winter chill. For more detailed insights, you can check out Naarden weather in February.

In September, the weather boasts a notable range with minimum temperatures around 2°C (36°F) and highs reaching up to 31°C (87°F), creating an average of 15°C (59°F). The month sees around 75 mm (2.9 in) of precipitation over approximately 11 days, coupled with a relatively high humidity level of 83%. In contrast, March experiences cooler conditions, with minimum temperatures dropping to -8°C (17°F) and maximums reaching 21°C (71°F), leading to an average temperature of 7°C (44°F). Although precipitation levels are slightly lower at 72 mm (2.8 in), it falls over more days—approximately 15—resulting in a humidity level that is marginally higher at 86%. For a more detailed look at the climate during March, you can explore Naarden weather in March.

In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 31°C (87°F), with an average of 15°C (59°F), while April sees cooler weather, with a minimum of -3°C (27°F) and a maximum of 27°C (81°F), averaging 10°C (49°F). Both months experience a notable amount of humidity, with September at 83% and April slightly higher at 84%. Precipitation is more significant in September, totaling 75 mm (2.9 in) over 11 days, compared to April's 43 mm (1.7 in) over 10 days. For a closer look at specific conditions, check out Naarden weather in April.

In comparing the weather of September and May, we notice some interesting similarities and differences. Both months can reach warm maximum temperatures of around 31°C (87°F - 89°F), but September tends to have a higher average temperature of 15°C (59°F) compared to May's 13°C (56°F). Additionally, September experiences more precipitation with 75 mm (2.9 in) over 11 days, slightly more than May's 64 mm (2.5 in) across 13 days. Humidity levels are also comparable, with September averaging 83% and May at 80%. For those interested in visiting, you can find more specific information by checking Naarden weather in May.

September and June both feature mild temperatures, yet they distinctly differ in their climatic characteristics. September experiences a broader temperature range, with minimums dropping to 2°C (36°F) and maximums reaching up to 31°C (87°F), while June maintains warmer temperatures, with a minimum of 7°C (45°F) and maxing out at 33°C (91°F). Precipitation levels are quite similar, with September recording 75 mm over 11 days and June slightly higher at 76 mm across 13 days. Humidity is also an interesting contrast—September is notably more humid at 83%, compared to June's 75%. For a detailed look at June weather, visit Naarden weather in June.

September's weather offers a more moderate temperature range compared to the warmer conditions experienced in July. With minimum temperatures dropping to 2°C (36°F) and an average of 15°C (59°F), September feels notably cooler than July's minimum of 7°C (45°F) and average of 18°C (65°F). The maximum temperature in September reaches up to 31°C (87°F), which, while significant, is lower than July's peak of 39°C (102°F). Both months receive a similar amount of precipitation, around 75 mm (2.9 in to 3.0 in), but September experiences rain on approximately 11 days compared to 13 days in July. Humidity levels in September are higher at 83%, while July maintains a slightly drier atmosphere at 75%. For more detailed insights on July weather, check out Naarden weather in July.

September weather shows a noticeable shift compared to August. While August enjoys warmer temperatures with a minimum of 7°C (46°F) and an average of 18°C (65°F), September has a cooler minimum of 2°C (36°F) and a slightly lower average of 15°C (59°F). The maximum temperatures also decline, reaching up to 31°C (87°F) in September compared to 34°C (94°F) in August. Precipitation is somewhat similar, with 75 mm (2.9 in) in September over 11 days, while August has 84 mm (3.3 in) over 16 days. Humidity levels are higher in September at 83%, compared to 75% in August. For more information on August weather, visit Naarden weather in August.

September and October exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 31°C (87°F), with an average of 15°C (59°F). The month sees around 75 mm (2.9 in) of precipitation over 11 days and a humidity level of 83%. In contrast, October experiences cooler conditions, with temperatures dropping to a minimum of 1°C (34°F) and an average of 12°C (54°F), peaking at 26°C (79°F). Precipitation increases slightly to 85 mm (3.4 in) across 14 days, alongside a marginal rise in humidity to 86%. For more detailed insights, you can visit Naarden weather in October.

In September, the weather tends to be warmer with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 31°C (87°F), resulting in an average of 15°C (59°F). The month experiences moderate precipitation of 75 mm (2.9 in) over 11 days, accompanied by a humidity level of 83%. In contrast, November brings cooler temperatures, with a minimum of -3°C (27°F), an average of 7°C (46°F), and a maximum of 18°C (66°F). Although November sees slightly less precipitation at 50 mm (2.0 in), the humidity rises to 87%, creating a damp atmosphere. For a closer look at November conditions, check Naarden weather in November.

In September, temperatures can vary significantly, with lows around 2°C (36°F) and highs reaching up to 31°C (87°F), resulting in an average of 15°C (59°F). The month sees moderate precipitation, totaling 75 mm (2.9 in) over approximately 11 days, accompanied by a humidity level of 83%. In contrast, December experiences much colder temperatures, with a minimum of -4°C (24°F) and an average of just 5°C (42°F), peaking at 14°C (57°F). This month is slightly wetter, with precipitation of 86 mm (3.4 in) spread over 17 days and a humidity of 86%. For more details on December weather, you can visit Naarden weather in December.

Compare Naarden's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Naarden

As September unfolds in Naarden, the weather presents a refreshing transition from the summer heat to the cool embrace of autumn. With temperatures swinging from pleasant highs to brisk lows, it signifies a shift that is both invigorating and comforting. The average temperature hovers around a mild 15°C, making it a perfect time for outdoor activities despite the notable humidity of 83%. While rainfall is common, with about 11 days receiving a combined total of 75 mm, this moisture revives the landscape and prepares it for the upcoming seasonal changes. For a deeper dive into Naarden's climate trends throughout the year, visit Naarden Climate.