September Weather in Haamstede, Netherlands

Last updated: August 27, 2025

In September, Haamstede experiences a delightful climate with a maximum temperature reaching 27°C (81°F), offering a warm end to summer. The average temperature settles around a comfortable 16°C (62°F), while cooler nights can drop to a minimum of 9°C (49°F). This month sees moderate rainfall, with a total precipitation of 89 mm (3.5 in) over approximately 12 days. Humidity levels remain relatively high at 82%, enhancing the lush atmosphere of this picturesque Dutch coastal town. September in Haamstede presents a blend of warm days and refreshing coastal breezes, making it a charming time to visit.

September Temperature in Haamstede

In September, Haamstede experiences a delightful transition from the warmth of summer to the crispness of autumn. With minimum temperatures settling around 9°C (49°F) and averages peaking at 16°C (62°F), the month offers a perfect blend of mild weather, making it ideal for outdoor activities. The maximum temperature can reach up to 27°C (81°F), allowing for lingering days of sunshine before the chill of fall sets in. This notable warmth is a pleasant contrast to the cooler temperatures that precede and follow it, highlighting September as a month of comfortable warmth and vibrant scenery, perfect for enjoying the natural beauty of the Dutch coastline.

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

The chart illustrates September temperature patterns in Haamstede, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haamstede, 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).
JanFebMarAprMayJunJulAugSepOctNovDec424245495562646662564945
Data source: Temperature data for Haamstede 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 Haamstede

In September, Haamstede experiences a significant transition in weather patterns, bringing with it an average precipitation of 89 mm (3.5 in) over approximately 12 days. This month marks a noticeable decrease from the previous month, August, which saw heavier rains totaling 102 mm (4.0 in). The consistent rainfall in September signals the onset of autumn, as the days become shorter and temperatures drop. This trend of increasing precipitation continues into October, where an even higher 127 mm (5.0 in) is recorded, suggesting that as summer wanes, Haamstede prepares for a wetter season ahead. Overall, September serves as a bridge between the last throes of summer and the more tumultuous weather of fall, making it a pivotal month in the region's atmospheric cycle.

September Precipitation Trends in Haamstede

The chart displays monthly precipitation patterns in Haamstede, 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 Haamstede, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec746972406165721028912773123
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Haamstede

In Haamstede, Netherlands, September marks a notable shift in humidity levels, settling at a comfortable 82%. After experiencing a steady decline from 91% in January to a low of 76% in August, the humidity rises slightly again in September, drawing closer to the autumn levels observed in the subsequent months. This pattern suggests a transitional period as the summer warmth recedes, making way for the cooler air of fall. As the year progresses, humidity levels will return to their higher winter ranges, peaking at 92% in November and December. Thus, September serves as a bridge, offering a balance between lingering summer warmth and the impending chill of the winter months.

September Average Humidity in Haamstede

This chart illustrates the average monthly humidity levels in Haamstede, 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 Haamstede is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%85%82%82%80%76%82%89%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Haamstede

As summer transitions into early autumn, the UV Index in Haamstede begins to moderate, dropping to 5 in September, which falls under the moderate exposure category. This change indicates a shift from the intense sun experienced during the peak months of June and July, where UV Index readings soared to 8. With a burn time of 30 minutes this month, sun protection is still essential, especially during the midday hours. As the days shorten and temperatures cool, it's a good reminder to balance enjoyment of the outdoors with mindful sun safety. For more details on the UV Index throughout the year, check out Haamstede UV Index.

Maximum UV Index Levels in Haamstede for September

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

September brings a delightful continuation of summer vibes to Haamstede, Netherlands, with 332 hours of sunshine basking the region in warm light. This month beautifully bridges the vibrant warmth of late summer and the cooler tones of autumn, creating a picturesque backdrop for outdoor activities and exploration. Following the peak summer months of July and June, which flaunt over 430 hours of sunshine, September’s generous sunshine hours still provide plenty of opportunity to soak in the outdoors. As the light begins to wane into October's 248 hours, September stands out as a reminder of the lingering summer warmth, making it an ideal time for both locals and visitors to enjoy the natural beauty of Haamstede before the brisk autumn sets in.

Monthly Sunshine Duration in Haamstede: September Highlighted

The September sunshine duration represents the total number of hours Haamstede 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.
JanFebMarAprMayJunJulAugSepOctNovDec122h203h286h364h412h423h430h399h332h248h198h155h
Data source: Haamstede September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Haamstede During September

In Haamstede, Netherlands, September brings a modest 36% chance of sunny weather, marking a slight decline from the vibrant highs of summer. As the year transitions from the sunnier months of July and August, the likelihood of clear skies begins to wane, dipping near autumn’s threshold. While September remains brighter compared to the gloomy winter months, it doesn’t quite capture the consistency of earlier summer days. This trend emphasizes the shift in seasons, inviting visitors to enjoy the lingering warmth of early fall while staying prepared for the occasional cloud cover.

Percentage of Sunny Days in September in Haamstede

The chart illustrates the percentage of sunny days in Haamstede 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 Haamstede experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%30%37%45%37%38%39%35%36%30%22%17%
Data source: Haamstede September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Haamstede in September

As summer transitions into autumn, September in Haamstede, Netherlands, brings a gentle decline in daylight duration, offering around 12 hours of sunlight each day. This reduction follows the peak of 16 hours enjoyed during the height of June and July, reflecting a natural rhythm of the seasons. The gradual decrease from the vibrant summer months sets the stage for the cozy ambiance of fall, where days become shorter and evenings more inviting. By the end of September, the approach of October's 10 hours of daylight is clearly felt, heralding the upcoming embrace of autumn's shorter days and longer nights.

Average Daylight Hours in Haamstede for September

The chart illustrates the variation in daylight duration in Haamstede throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 22m9h 57m11h 55m13h 54m15h 39m16h 34m16h 5m14h 31m12h 35m10h 36m8h 49m7h 52m
Data source: Haamstede daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Haamstede

In September, Haamstede, Netherlands, experiences a gentle easing of the wind, with average speeds dropping to 4.9 m/s (11 mph). This marks a noticeable decline from the breezier summer months, characterized by average winds around 5.2 m/s (12 mph) in July and 6.0 m/s (13 mph) in August. As autumn approaches, the winds begin to soften, making way for a more tranquil atmosphere. This trend continues into October, where the wind picks up again to 6.9 m/s (16 mph), signaling a shift in the season. Overall, September serves as a tranquil transition, inviting visitors to enjoy the serene beauty of nature while feeling the gentle caress of the wind.

Average September Wind Speed in Haamstede

The chart displays monthly wind speed patterns in Haamstede, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.66.66.16.05.74.35.26.04.9 m/s6.95.76.4
Data source: Haamstede September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Haamstede Compares to Other Months

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

In September, the weather is notably milder, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 27°C (81°F), along with average humidity levels around 82%. This month experiences about 89 mm (3.5 in) of precipitation over 12 days, making for a mixture of sunny days and occasional rain. In contrast, January presents a starkly different climate, where temperatures dip significantly, averaging a cool 6°C (42°F) with a minimum of -3°C (26°F) and a maximum of 12°C (55°F). Despite receiving less total rainfall at 74 mm (2.9 in), January sees precipitation across 14 days, combined with higher humidity levels at 91%. For those interested in a more in-depth look at the weather conditions, check out Haamstede weather in January.

In September, the weather is generally mild, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 27°C (81°F) and an average of 16°C (62°F). This month sees about 89 mm (3.5 in) of precipitation over 12 days, and humidity levels are relatively high at 82%. In contrast, February brings a much chillier climate, with temperatures varying from -6°C (22°F) to 14°C (58°F) and an average temperature of 6°C (42°F). Although February has lower overall precipitation at 69 mm (2.7 in) over the same 12 days, humidity is slightly higher at 89%. For a more detailed look at February’s weather, you can visit Haamstede weather in February.

September and March present contrasting weather patterns. In September, temperatures range from a minimum of 9°C (49°F) to a comfortable maximum of 27°C (81°F), with an average of 16°C (62°F). This month sees a total precipitation of 89 mm (3.5 in) over 12 days, and humidity remains relatively high at 82%. In contrast, March experiences colder temperatures, with a minimum of -5°C (23°F) and an average of 7°C (45°F), peaking at 17°C (64°F). The precipitation in March totals 72 mm (2.8 in) over 15 days, accompanied by slightly higher humidity at 87%. The differences in temperature and precipitation highlight the transition from late summer to early spring. For more detailed information, check out Haamstede weather in March.

In comparing the weather of September and April, it's evident that September enjoys milder and warmer temperatures, with averages reaching 16°C (62°F) and a maximum of 27°C (81°F). In contrast, April's temperatures are significantly cooler, averaging only 9°C (49°F) with a peak of 23°C (73°F). Precipitation levels are higher in September, with 89 mm (3.5 in) falling over 12 days, compared to April's 40 mm (1.6 in) over 8 days. Humidity is slightly elevated in September at 82% versus 85% in April. For more specific details on April’s weather, you can visit Haamstede weather in April.

When comparing the weather in September and May, we see notable differences in temperature and precipitation. September typically offers warmer conditions with minimum temperatures around 9°C (49°F) and maximums reaching up to 27°C (81°F), while May presents a cooler climate with a minimum of 5°C (42°F) and maximums that peak at 25°C (77°F). Additionally, September experiences higher precipitation, averaging 89 mm (3.5 in) over 12 days, compared to May’s 60 mm (2.4 in) over the same number of days. Both months maintain a consistent humidity level of 82%, creating a humid atmosphere throughout. For those looking for specific weather patterns, you can find more information at Haamstede weather in May.

When comparing the weather in September and June, we see some interesting similarities and differences. Both months enjoy an average high of around 27°C (81°F), but September tends to have slightly cooler minimum temperatures, with lows averaging 9°C (49°F) compared to June's 10°C (50°F). Precipitation is more abundant in September, totaling 89 mm (3.5 in) over 12 days, whereas June sees less rainfall at 65 mm (2.6 in) across 11 days. Interestingly, humidity levels remain constant at 82% in both months, contributing to a similar feel in the air. For a closer look at the specific conditions in June, you can reference Haamstede weather in June.

In comparing the weather between September and July, we find distinct differences in temperature and precipitation patterns. September tends to be cooler, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 27°C (81°F), while July is warmer, with averages between 13°C (55°F) and 32°C (90°F). Additionally, September experiences more rainfall, totaling 89 mm (3.5 in) over 12 days, compared to July’s 72 mm (2.9 in) over 13 days. Humidity levels are fairly similar, with September at 82% and July at 80%. For a closer look at July weather, you can check this link: Haamstede weather in July.

In comparing the weather of September to August, we see notable differences in temperature and precipitation patterns. September features a lower minimum temperature of 9°C (49°F) and an average of 16°C (62°F), while August boasts milder conditions with a minimum of 12°C (54°F) and an average of 19°C (66°F). Additionally, the maximum temperature in August reaches up to 29°C (85°F), slightly higher than September's maximum of 27°C (81°F). Precipitation is also a significant factor, with September experiencing 89 mm (3.5 in) spread over 12 days, compared to August’s 102 mm (4.0 in) over 15 days. Humidity remains higher in September at 82%, whereas August has a more comfortable level at 76%. For more details on August's weather, visit Haamstede weather in August.

In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 27°C (81°F), with an average of 16°C (62°F). This month sees 89 mm (3.5 in) of precipitation over about 12 days, and humidity levels hover around 82%. In contrast, October brings cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 22°C (73°F), averaging 14°C (57°F). Precipitation increases to 127 mm (5.0 in) spread across 16 days, and humidity rises slightly to 89%. For more specific details about the October weather, you can check Haamstede weather in October.

In September, the weather is relatively mild with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 27°C (81°F) and an average of 16°C (62°F). The month experiences around 89 mm (3.5 in) of precipitation over approximately 12 days, accompanied by a humidity level of 82%. In contrast, November brings cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 18°C (64°F), averaging just 9°C (49°F). Precipitation decreases slightly to 73 mm (2.9 in), but it is spread across 15 days, resulting in an increase in humidity to 92%. For more insights into November's weather, visit Haamstede weather in November.

September and December weather present a stark contrast in conditions. In September, temperatures vary from a mild 9°C (49°F) at night to a comfortable high of 27°C (81°F) during the day, with an average of 16°C (62°F). The month experiences about 89 mm (3.5 in) of precipitation over approximately 12 days and maintains a humidity level of 82%. In contrast, December brings significantly cooler temperatures, with lows dropping to -1°C (31°F) and a maximum of only 12°C (55°F), yielding an average of 7°C (45°F). This winter month experiences more precipitation, totaling 123 mm (4.8 in) across 19 days, coupled with a higher humidity level of 92%. For a detailed look at the weather patterns, check out Haamstede weather in December.

Compare Haamstede's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Haamstede

As September unfolds in Haamstede, it marks a distinct transition in the climate, offering a unique blend of warmth and moisture. With maximum temperatures peaking at a delightful 27°C (81°F), the average cools to a comfortable 16°C (62°F), presenting a refreshing shift from the summer heat. Despite enjoying some sunny days, September is also characterized by increased humidity and a noticeable number of rainy days, totaling 89 mm across 12 days. This shift creates a more temperate atmosphere, perfect for those seeking to enjoy the changing seasons. For more detailed insights on how September fits into the yearly climate tapestry, explore the Haamstede Climate.