September Weather in Callantsoog, Netherlands

Last updated: August 27, 2025

September in Callantsoog, Netherlands brings mild temperatures and a lively atmosphere, with a maximum of 25°C (78°F) and an average of 16°C (61°F), dipping to a minimum of 9°C (49°F). This transitional month sees approximately 92 mm (3.6 in) of rainfall spread over 12 days, resulting in a humid climate with an average humidity of 83%. Visitors can expect a blend of sunny and rainy days, perfect for enjoying the scenic beauty of this coastal town while preparing for the upcoming autumn season.

September Temperature in Callantsoog

In Callantsoog, Netherlands, September marks a delightful transition from the warmth of summer to the cooler autumn days. With temperatures ranging from a minimum of 9°C (49°F) to a maximum of 25°C (78°F), this month offers a pleasant average of 16°C (61°F), inviting both locals and visitors to enjoy the coastal beauty. As the weather begins to shift, the mild warmth still allows for outdoor activities, making it a perfect time for beach strolls or exploring the scenic landscapes. The gradual decrease in temperature hints at the impending autumn, yet the lingering warmth ensures that September remains a charming and inviting month in this picturesque part of the Netherlands.

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

The chart illustrates September temperature patterns in Callantsoog, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Callantsoog, 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).
JanFebMarAprMayJunJulAugSepOctNovDec424144485461646561554844
Data source: Temperature data for Callantsoog 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 Callantsoog

In September, Callantsoog experiences a notable peak in precipitation, with 92 mm (3.6 in) of rain falling over 12 days. This places September among the wetter months, just shy of the substantial rainfall of August, which recorded 94 mm (3.7 in). The transition toward autumn is marked by an increase in wet days, contributing to the overall climate shift. Interestingly, September's precipitation prepares the landscape for the heavier rain predicted in October, where total rainfall climbs to 117 mm (4.6 in). This trend illustrates the gradual escalation in precipitation from the summer months into autumn, setting the stage for the wetter, cooler season ahead in Callantsoog.

September Precipitation Trends in Callantsoog

The chart displays monthly precipitation patterns in Callantsoog, 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 Callantsoog, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec62716737446669949211768106
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Callantsoog

In September, Callantsoog experiences a slight increase in humidity, reaching 83%, as the summer months transition into autumn. This rise marks a notable shift from the drier conditions of August, which recorded a low of 78% humidity. Over the year, humidity levels are consistently high, peaking in the winter months with January and February at 87%. The trend reveals a gradual decrease from the early months of the year, hitting a low in the warm summer before beginning to climb again as temperatures cool. This pattern showcases how the coastal climate fluctuates with the seasons, creating a uniquely refreshing yet humid environment in early autumn.

September Average Humidity in Callantsoog

This chart illustrates the average monthly humidity levels in Callantsoog, 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 Callantsoog is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%85%84%82%80%78%83%86%87%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Callantsoog

In September, the UV Index in Callantsoog drops to a moderate level of 5, allowing for a more comfortable outdoor experience compared to the intense summer months. This shift signifies a return to safer sun exposure levels after the peak of summer, where indices soared to 8 in July and June. With a burn time of 30 minutes, it's still wise to manage time spent in the sun, especially for those with fair skin. As autumn approaches, sun safety practices remain important, reminding us to stay informed about the UV Index throughout the changing seasons. For more insights, visit Callantsoog UV Index.

Maximum UV Index Levels in Callantsoog for September

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

In September, Callantsoog, Netherlands, basks in a warm glow of 330 hours of sunshine, marking a gentle transition from the vibrant summer months. As the days shorten, the light begins to fade compared to the sun-soaked highs of July and August, which recorded 426 and 403 hours, respectively. However, September still boasts significantly more sunshine than the chilly winter months, such as January's mere 113 hours or October’s downtrend to 246 hours. This month serves as a beautiful bridge, allowing visitors to enjoy the lingering warmth of summer while hinting at the cozy embrace of autumn.

Monthly Sunshine Duration in Callantsoog: September Highlighted

The September sunshine duration represents the total number of hours Callantsoog 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.
JanFebMarAprMayJunJulAugSepOctNovDec113h203h294h364h419h415h426h403h330h246h198h139h
Data source: Callantsoog September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Callantsoog During September

As summer fades into autumn, the likelihood of sunny weather in September in Callantsoog slightly decreases, with a 31% chance of sun. This marks a drop from the peak sunny days experienced in the early summer months of June and July, which hover around 40%. Interestingly, while September's sunshine chances are lower than summer, they still outperform the drearier months that follow, such as October and November. The gradual decline is noticeable as daylight wanes, but September retains a vibrant charm, offering pleasant opportunities for enjoying the fresh sea air under a gentle sun before the colder months set in.

Percentage of Sunny Days in September in Callantsoog

The chart illustrates the percentage of sunny days in Callantsoog 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 Callantsoog experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%26%34%41%37%40%38%37%31%27%22%20%
Data source: Callantsoog September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Callantsoog in September

As summer transitions into autumn, September in Callantsoog brings a gentle shift in daylight duration, averaging around 12 hours of sunlight. This month marks a noticeable decline from the vibrant 16 hours experienced in June and July. While the daylight begins to wane, it still offers significantly more light than the dimmer months ahead, such as October and November, where hours drop to 10 and 8 respectively. The gradual reduction in daylight serves as a reminder of the changing seasons, as the lush, sun-drenched days of summer give way to the cooler, shorter days of fall. The balance of light and shadow in September invites a reflective transition, making it an enchanting time in this picturesque coastal town.

Average Daylight Hours in Callantsoog for September

The chart illustrates the variation in daylight duration in Callantsoog throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 13m9h 52m11h 54m13h 59m15h 48m16h 45m16h 15m14h 36m12h 36m10h 33m8h 41m7h 41m
Data source: Callantsoog daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Callantsoog

As summer gently fades into autumn, September in Callantsoog, Netherlands, brings a noticeable shift in wind patterns. Averaging 4.8 m/s (11 mph), the wind speed dips slightly from the breezy August days, creating a softer atmosphere perfect for leisurely coastal strolls. This decline marks a transition from the warmer months, where wind speeds hovered around 5.9 m/s (13 mph), to the cooler, brisker conditions expected in October, which averages 7.1 m/s (16 mph). The consistent trend of decreasing wind speeds throughout the summer culminates in a serene September, inviting locals and visitors alike to enjoy the calming embrace of nature as it prepares for the autumnal change.

Average September Wind Speed in Callantsoog

The chart displays monthly wind speed patterns in Callantsoog, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.66.66.36.05.54.44.95.94.8 m/s7.15.96.3
Data source: Callantsoog September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Callantsoog Compares to Other Months

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

September and January showcase contrasting weather patterns. In September, temperatures range from a mild 9°C (49°F) at night to a warm 25°C (78°F) during the day, with an average of 16°C (61°F). The month sees about 92 mm (3.6 in) of precipitation over 12 days, while humidity remains relatively high at 83%. In stark contrast, January brings colder conditions, with temperatures dropping to a minimum of -3°C (27°F) and peaking at a modest 12°C (53°F), leading to a much lower average of 5°C (42°F). Although January has less overall precipitation at 62 mm (2.4 in) spread across 13 days, the humidity slightly increases to 87%. For more details on January weather, you can visit Callantsoog weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a mild 9°C (49°F) at night to a warm 25°C (78°F) during the day, with an average of 16°C (61°F). The month experiences higher precipitation, with 92 mm (3.6 in) over approximately 12 days and humidity levels at 83%. Conversely, February is much colder, with minimum temperatures dropping to -6°C (21°F) and a maximum of 14°C (58°F), averaging just 5°C (42°F). During this month, precipitation is slightly lower at 71 mm (2.8 in) over the same number of days, accompanied by a higher humidity of 87%. For a detailed look at February weather in Callantsoog, you can visit Callantsoog weather in February.

September and March present quite a contrast in weather. In September, temperatures range from a pleasant 9°C (49°F) to a warm 25°C (78°F), with an average of 16°C (61°F), making it a perfect time for outdoor activities. The month experiences around 92 mm (3.6 in) of precipitation over about 12 days, and the humidity is relatively high at 83%, contributing to a comfortable, late-summer feel.

In contrast, March sees much cooler temperatures, with averages around 6°C (44°F) and a range from -7°C (20°F) to a maximum of 15°C (60°F). This month has less precipitation, totaling 67 mm (2.6 in) over approximately 13 days, but the humidity is slightly higher at 86%, which can make the crisp air feel chillier. For more detailed insights, you can check out the Callantsoog weather in March.

When comparing the weather in September and April, noticeable differences emerge in temperature and precipitation. September typically experiences a wider temperature range, with minimums around 9°C (49°F) and maximums reaching up to 25°C (78°F), offering an average of 16°C (61°F). In contrast, April starts cooler, with minimum temperatures of 2°C (36°F) and an average of only 9°C (48°F), although it can still see maximums of 23°C (74°F). Additionally, September is wetter, with 92 mm (3.6 in) of precipitation over 12 days compared to April's 37 mm (1.5 in) of rainfall over 8 days. Despite the moist conditions in both months, the humidity levels remain fairly consistent, with September at 83% and April at 85%. For more detailed information on April weather, check Callantsoog weather in April.

When comparing September and May, it's notable that September tends to offer slightly warmer temperatures, with a maximum average of 25°C (78°F) compared to May's peak of 26°C (79°F). However, May has cooler minimum temperatures, averaging 5°C (41°F) compared to September's 9°C (49°F).

In terms of precipitation, September experiences significantly more rainfall, totaling 92 mm (3.6 in) over 12 days, whereas May sees only 44 mm (1.7 in) over 9 days. Both months maintain high humidity levels, with September at 83% and May slightly higher at 84%.

For a more detailed look at weather specifics in May, visit Callantsoog weather in May.

When comparing the weather of September and June, both months exhibit similar average temperatures, hovering around 16°C (61°F). However, September experiences a broader range, with maximum temperatures reaching up to 25°C (78°F), while June can peak at 29°C (84°F). Precipitation is more frequent in September, with 92 mm (3.6 in) spread over 12 days, compared to June's 66 mm (2.6 in) over just 10 days. Humidity is slightly higher in September at 83%, compared to June's 81%. For more detailed information, you can check Callantsoog weather in June.

In comparing the weather of September and July, September tends to be cooler, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 25°C (78°F). This is a notable decrease from July, which enjoys milder temperatures with a minimum of 12°C (53°F) and a maximum of 30°C (87°F). Additionally, September experiences higher precipitation levels, totaling 92 mm (3.6 in) over about 12 days, compared to July's 69 mm (2.7 in) over 13 days. The humidity is also slightly higher in September at 83%, compared to July's 80%. For those interested in more detailed July weather information, you can check out Callantsoog weather in July.

In comparing the weather of September and August, September tends to be cooler with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 25°C (78°F), while August sees warmer conditions with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 29°C (84°F). Both months experience similar precipitation levels, with September receiving 92 mm (3.6 in) across 12 days and August slightly higher at 94 mm (3.7 in) over 15 days. Additionally, September's humidity is higher at 83%, compared to August's 78%. For more detailed information, you can visit Callantsoog weather in August.

September and October present a noticeable shift in weather patterns. In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 25°C (78°F), with an average of 16°C (61°F) and a total precipitation of 92 mm (3.6 in) over 12 days. The humidity is relatively high at 83%. In contrast, October brings cooler temperatures, with a minimum of 5°C (41°F) and an average of 13°C (56°F), peaking at 23°C (73°F). Additionally, October sees an increase in precipitation, totaling 117 mm (4.6 in) over 17 days, coupled with slightly higher humidity at 86%. For more detailed information on October's conditions, you can visit Callantsoog weather in October.

In September, the weather is generally warmer, with average temperatures around 16°C (61°F) and highs reaching up to 25°C (78°F), while November sees a drop to an average of 9°C (48°F), with maximum temperatures only reaching 17°C (62°F). Additionally, September experiences more overall precipitation, totaling 92 mm (3.6 in) over 12 days, compared to November, which has 68 mm (2.7 in) spread across 15 days. Both months have relatively high humidity, with September at 83% and November slightly higher at 87%. For more detailed information on November's weather, check out Callantsoog weather in November.

When comparing the weather in September to that of December, it’s evident that there is a significant shift in temperatures and precipitation patterns. September sees milder temperatures, with averages around 16°C (61°F) and highs reaching up to 25°C (78°F). In contrast, December experiences much colder weather, with average temperatures dropping to 7°C (44°F) and maximums only reaching 12°C (54°F). Additionally, while September has a relatively moderate level of precipitation at 92 mm (3.6 in) across 12 days, December receives a slightly higher amount at 106 mm (4.2 in) over 18 days. This change is accompanied by an increase in humidity, which is 83% in September compared to 86% in December. For a more detailed look at the December climate, you can visit Callantsoog weather in December.

Compare Callantsoog's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Callantsoog

As summer fades, September in Callantsoog brings a refreshing transition, marked by mild temperatures that gradually cool down from the peak of summer heat. While you can still enjoy pleasant days, the average temperature now leans towards the more refreshing side, inviting outdoor activities with a hint of autumn in the air. However, this month also greets visitors with increased humidity and a notable rise in precipitation, making it one of the wetter months in the year. Despite the occasional rain, the charm of Callantsoog's coastline remains captivating, making it a perfect time for those who appreciate the beauty of changing seasons. For a deeper understanding of what to expect throughout the year, check out the detailed information at Callantsoog Climate.