September Weather in Egersund, Norway

Last updated: August 27, 2025

September in Egersund, Norway showcases a blend of mild temperatures and ample rainfall, creating a dynamic coastal climate. With a maximum temperature reaching 20°C (68°F) and an average of 13°C (55°F), the month transitions towards autumn, bringing cooler evenings where lows can dip to 5°C (41°F). Rainfall is significant, totaling 224 mm (8.8 in) over 18 days, resulting in a humid atmosphere averaging around 90%. This weather pattern not only shapes the natural beauty of Egersund but also invites visitors to experience the lush landscapes and vibrant local culture amid the changing seasons.

September Temperature in Egersund

In September, Egersund experiences a refreshing shift in temperatures as summer transitions into autumn. With a minimum of 5°C (41°F) and an average of 13°C (55°F), the air becomes crisp yet comfortable, making it ideal for outdoor activities. Daily highs can reach up to 20°C (68°F), allowing for those lingering warm days reminiscent of summer. This month's temperatures indicate a steady decline from the warmer months of July and August, which boasted highs of nearly 26°C (79°F). As September unfolds, the cooler nights invite cozy sweaters and hot beverages, signaling the arrival of fall while still offering pockets of pleasant warmth.

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

The chart illustrates September temperature patterns in Egersund, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Egersund, 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).
JanFebMarAprMayJunJulAugSepOctNovDec373638434956585955494339
Data source: Temperature data for Egersund 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 Egersund

In September, Egersund experiences a notable surge in precipitation, receiving a hefty 224 mm (8.8 in) of rainfall over 18 days. This increase marks a significant jump from the typically wetter months of August, where 193 mm (7.6 in) fell over the same number of days, indicating that the transition to autumn brings with it a more persistent and intense rainy pattern. As the days grow shorter and temperatures cool, it's evident that September not only serves as a precursor to the even wetter October, which averages 312 mm (12.3 in), but also establishes a rhythm of moisture that characterizes the coastal climate of Egersund. This trend highlights how the region gears up for the heaviest rainfall at the onset of autumn, encapsulating the essence of Norway’s dynamic weather.

September Precipitation Trends in Egersund

The chart displays monthly precipitation patterns in Egersund, 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 Egersund, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1571641467085111130193224312232203
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Egersund

In Egersund, Norway, September marks a pivotal moment in the annual humidity cycle. With humidity levels at 90%, this month sees a return to a balmy consistency reminiscent of earlier winter months. From a high of 92% in January, humidity gradually lessens until May, where it dips to 84%. However, the shift back to heightened humidity begins in July, reaching 86%, and continues through August. September stands out as a transitional month, maintaining the characteristic moisture of Egersund while hinting at the approaching autumn chill, which brings a subsequent rise to 92% in October. This seamless ebb and flow of humidity not only enhances the region’s lush landscapes but also enriches the unique feel of life in this coastal town.

September Average Humidity in Egersund

This chart illustrates the average monthly humidity levels in Egersund, 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 Egersund is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%90%87%84%81%86%87%90%92%93%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Egersund

As the summer sun starts to wane, September in Egersund, Norway brings a noticeable shift in the UV Index, dropping to a moderate level of 4. This marks a decline from the high indices of the summer months, where exposure reached up to 7 in July and August, necessitating cautious sun protection within just 25 minutes of midday sun. With the onset of September, residents and visitors can enjoy about 30 minutes of mid-range sun exposure before risking skin damage. This month beautifully bridges the transition from summer’s peak UV rays to the lower values of autumn, hinting at the importance of remaining sun-smart as fall approaches. For a detailed look at the UV Index throughout the year, visit Egersund UV Index.

Maximum UV Index Levels in Egersund for September

The chart shows the monthly maximum UV Index (UVI) for Egersund 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 Egersund typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123467764211
Data source: Egersund 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 Egersund

As summer fades into autumn, September shines bright in Egersund, Norway, boasting an impressive 306 hours of sunlight. This month marks a gentle decline from the peak of 452 hours in July, yet it still outshines the earlier months of the year. The transition from long, sun-soaked days to the softer light of fall is evident, as September retains more than 75% of the luminous July glow while providing a comforting, golden warmth. The gradual descent into the shorter days of October, with its 233 hours of sunlight, reminds us of the fleeting nature of these sun-drenched days. Egersund's sunlit September serves as a picturesque bridge between the exuberance of summer and the cool embrace of autumn.

Monthly Sunshine Duration in Egersund: September Highlighted

The September sunshine duration represents the total number of hours Egersund 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.
JanFebMarAprMayJunJulAugSepOctNovDec98h171h276h363h427h434h452h395h306h233h144h102h
Data source: Egersund September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Egersund During September

In Egersund, Norway, the likelihood of sunny weather takes a noticeable dip in September, with the chance of sunshine plummeting to a mere 26%. This decline continues a trend observed throughout the summer months, where July and August hover around the low 30s in terms of sunshine probability. After a relatively brighter April peak of 56%, the seasonal transition into autumn leads to decreased sunlight, reflecting the fluctuating climate of this coastal region. As residents and visitors transition from the vibrant summer days, they can expect a shift towards cloudier skies, underscoring the need for a flexible outdoor plan.

Percentage of Sunny Days in September in Egersund

The chart illustrates the percentage of sunny days in Egersund 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 Egersund experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%43%31%56%30%27%33%43%26%19%21%25%
Data source: Egersund September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Egersund in September

As summer fades, September in Egersund, Norway embraces a gentle transition, offering approximately 12 hours of daylight. This month reflects a gradual decline from August's vibrant 15 hours, signaling the onset of shorter days as autumn approaches. The trend showcases a steady increase in daylight during the spring and summer months, peaking at an impressive 18 hours in June. However, once September arrives, a subtle shift begins, leading to October's shorter 10 hours and ultimately descending to winter's stark 6 hours by December. This rhythmic dance of daylight not only marks the changing seasons but also invites residents and visitors alike to appreciate the stunning shifts in Egersund’s natural beauty throughout the year.

Average Daylight Hours in Egersund for September

The chart illustrates the variation in daylight duration in Egersund throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 10m9h 19m11h 52m14h 28m16h 50m18h 10m17h 27m15h 16m12h 44m10h 10m7h 47m6h 26m
Data source: Egersund daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Egersund

As September arrives in Egersund, Norway, the average wind speed settles at a moderate 4.6 m/s (10 mph), mirroring the conditions of the preceding months. This gentle breeze, characteristic of late summer, provides a smooth transition into the more blustery days of autumn. Notably, September maintains a wind speed comparable to August and July, which hints at a consistent coastal climate as summer wanes. Perhaps it's the calm before an autumnal shift, as October's winds pick up to 6.1 m/s (14 mph), signaling the season's greater gusts. With September's winds, residents and visitors alike can enjoy a refreshing yet soothing atmosphere, perfect for strolls along the picturesque waterfront.

Average September Wind Speed in Egersund

The chart displays monthly wind speed patterns in Egersund, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.75.34.95.03.74.44.34.64.6 m/s6.15.35.7
Data source: Egersund September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Egersund Compares to Other Months

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

In September, Egersund experiences milder temperatures, ranging from a minimum of 5°C (41°F) to a maximum of 20°C (68°F), with an average of 13°C (55°F). This month sees considerable rainfall, accumulating to 224 mm (8.8 in) over 18 days, and high humidity levels at 90%. In contrast, January presents a much colder climate, where temperatures can plummet to a minimum of -8°C (18°F) and only reach a maximum of 10°C (50°F), averaging just 3°C (38°F). Precipitation decreases to 157 mm (6.2 in) across 17 days, but humidity remains relatively high at 92%. For more detailed information, you can check out Egersund weather in January.

September and February present contrasting weather conditions. In September, temperatures range from a mild 5°C (41°F) at night to a comfortable 20°C (68°F) during the day, with an average of 13°C (55°F). The month sees significant rainfall, totaling 224 mm (8.8 in) over 18 days, accompanied by high humidity levels at 90%. In contrast, February is much colder, with temperatures dipping to a minimum of -12°C (11°F) and peaking at just 10°C (50°F), resulting in an average of 2°C (36°F). While precipitation is lower than in September, totaling 164 mm (6.4 in) across 16 days, humidity remains high at 90%. For a more detailed look at February's weather, check out Egersund weather in February.

When comparing the weather in September and March, notable differences emerge. September offers milder conditions with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 20°C (68°F), while March is much colder, featuring average temperatures that stretch from a minimum of -11°C (12°F) to a maximum of 11°C (52°F). Additionally, September experiences higher precipitation levels of 224 mm (8.8 in) over 18 days, compared to March's 146 mm (5.7 in) across 16 days. Despite the differences in temperature and rainfall, both months maintain high humidity levels of 90%. For a closer look at March weather in Egersund, visit Egersund weather in March.

When comparing the weather in September and April, notable differences emerge. September showcases a milder temperature range with minimums around 5°C (41°F) and average highs reaching 20°C (68°F), while April experiences chillier temperatures, starting as low as -6°C (21°F) and averaging only up to 17°C (62°F). Precipitation levels are significantly higher in September, with 224 mm (8.8 in) over 18 days, compared to April's much lighter 69 mm (2.7 in) over 12 days. Humidity levels are also slightly higher in September at 90%, while April maintains a comfortable 87%. For more specifics on the April weather in this region, you can check out Egersund weather in April.

The weather in September and May presents notable differences. September tends to be milder with average temperatures ranging from 5°C (41°F) to a maximum of 20°C (68°F), while May has a broader temperature range with a minimum of 1°C (33°F) and a maximum of 25°C (76°F). Additionally, September experiences higher precipitation, averaging 224 mm (8.8 in) over 18 days, compared to May's 85 mm (3.3 in) over 12 days. Humidity levels are slightly higher in September at 90%, while May sees a lower humidity of 84%. For a closer look at May's specific weather patterns, check out Egersund weather in May.

When comparing the weather in September to that of June, we notice some distinct differences in temperature and precipitation. September sees a minimum temperature of 5°C (41°F) and an average of 13°C (55°F), with a maximum reaching 20°C (68°F). This month is also quite rainy, receiving 224 mm (8.8 in) of precipitation over 18 days and maintaining a high humidity level of 90%. In contrast, June has slightly warmer conditions, starting with a minimum of 6°C (43°F) and peaking at 25°C (77°F) on average. It experiences less rainfall, with only 111 mm (4.4 in) over 14 days, and a lower humidity level of 81%. For more details, you can check the comprehensive overview of Egersund weather in June.

In comparing the weather of September and July, one can see distinct differences in temperature and precipitation patterns. July experiences milder temperatures with a minimum of 7°C (45°F) and a maximum of 26°C (79°F), averaging around 15°C (59°F). In contrast, September is cooler, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 20°C (68°F), averaging 13°C (55°F). Additionally, September is notably wetter, receiving 224 mm (8.8 in) of precipitation over 18 days, compared to July's 130 mm (5.1 in) across 15 days. The humidity levels remain relatively high in both months, with September at 90% and July at 86%. For more details on July weather, check this link: Egersund weather in July.

In comparing the weather patterns of September and August, September tends to be cooler, with a minimum temperature of 5°C (41°F) and an average high of 20°C (68°F), while August boasts warmer temperatures, ranging from a minimum of 9°C (48°F) to a maximum of 25°C (76°F). Additionally, September experiences more precipitation, totaling 224 mm (8.8 in) over 18 days, compared to August’s 193 mm (7.6 in) over 17 days. The humidity is slightly higher in September at 90%, compared to 87% in August, making the start of fall feel more damp and cool. For more detailed insights into August's weather, you can check Egersund weather in August.

September and October present distinct contrasts in weather conditions. In September, temperatures range from a minimum of 5°C (41°F) to a maximum of 20°C (68°F), with an average of 13°C (55°F). The month experiences about 224 mm (8.8 inches) of precipitation spread across 18 days, accompanied by high humidity levels at 90%. In comparison, October sees a drop in temperatures, with a minimum of 1°C (33°F), an average of 10°C (49°F), and a maximum of 16°C (61°F). Precipitation increases to 312 mm (12.3 inches) over 23 days, while humidity rises slightly to 92%. For more details about the weather in October, you can check Egersund weather in October.

September and November weather exhibit notable differences, particularly in temperature and humidity. In September, temperatures range from a mild minimum of 5°C (41°F) to a pleasant maximum of 20°C (68°F), with an average of 13°C (55°F). However, by November, the temperatures drop significantly, with a minimum of -3°C (27°F) and an average of 6°C (44°F), peaking at 13°C (55°F). Both months experience considerable precipitation, with September receiving 224 mm (8.8 in) across 18 days and November slightly higher at 232 mm (9.1 in) over 19 days. Humidity is also higher in November at 93%, compared to September's 90%. For more detailed information, you can check Egersund weather in November.

September and December present quite contrasting weather patterns. In September, temperatures range from a mild 5°C (41°F) at night to a comfortable 20°C (68°F) during the day, with an average of 13°C (55°F). This month is characterized by significant rainfall, totaling 224 mm (8.8 in) over 18 days, while humidity remains high at 90%.

In contrast, December ushers in colder temperatures, with lows dipping to -5°C (24°F) and daytime highs around 10°C (50°F), resulting in an average of 4°C (39°F). Although precipitation decreases slightly to 203 mm (8.0 in) across 21 days, the humidity remains constant at 90%. If you want to explore more about December weather in Egersund, check out Egersund weather in December.

Compare Egersund's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Egersund

As September unfolds in Egersund, the transition from the warmth of summer to the crisp embrace of autumn becomes evident. The average temperature dips, bringing a cooler and more refreshing atmosphere, while the increased precipitation—with rain gracing nearly half the days of the month—sets the stage for the lush landscapes that define this region. With humidity levels peaking at 90%, the air feels particularly brisk, inviting cozy sweaters and hot beverages. This shift in weather not only alters daily routines but also enriches Egersund's natural beauty, creating a picturesque backdrop against which the changing seasons are highlighted. For more detailed insights, check out Egersund Climate.