Last updated: August 27, 2025
September in Kristiansand, Norway presents a diverse climate, where temperatures fluctuate from a pleasant maximum of 24°C (76°F) to a cooler minimum of 3°C (38°F), averaging around 13°C (55°F). This month experiences notable precipitation with 141 mm (5.6 in) of rain spread over 16 days, contributing to a high humidity level of 86%. As summer yields to autumn, visitors can expect a mix of mild days and rainy spells, making it a vibrant time to explore the region’s natural beauty.
In September, Kristiansand experiences a delightful transition into autumn, with temperatures ranging from a pleasant 3°C (38°F) at night to a warm 24°C (76°F) during the day. This month showcases an average temperature of 13°C (55°F), making it one of the more comfortable periods of the year. As summer wanes, the warmth from previous months begins to fade, yet the lingering mild weather is perfect for outdoor activities and enjoying the vibrant fall foliage. The gradual shift towards cooler temperatures signals the approaching winter, juxtaposed against the last remnants of summer, creating an inviting atmosphere for both locals and visitors.
September in Kristiansand sees a notable uptick in precipitation, with 141 mm (5.6 in) of rainfall spread over 16 days. This increase marks a shift from the dry summer months, as both August and September experience heightened precipitation levels compared to earlier in the year. The summer's rains gradually transition into the more substantial fall showers, setting the stage for October, which is the wettest month at 202 mm (8.0 in). This trend not only highlights September's role as a bridge between summer and autumn but also reflects the city's growing dampness, foreshadowing the wetter months ahead.
In Kristiansand, Norway, September brings a notable shift in humidity, with levels averaging around 86%. This marks a significant rise from the drier months of summer, where humidity dipped to a comfortable 74% in both June and July. As autumn approaches, September's humidity serves as a precursor to the wetter, chillier months ahead. Following this slight increase, the humidity levels soar back up to 92% by October, hinting at the looming winter conditions. This seasonal pattern highlights Kristiansand's coastal climate, where humidity fluctuates significantly throughout the year, creating a unique atmospheric experience for its residents and visitors alike.
As September rolls into Kristiansand, Norway, the UV Index reflects a transition towards cooler months, registering at a moderate level of 4. This indicates a decrease in solar intensity compared to the height of summer, where the index peaked at 7 in July and June. With a recommended burn time of 30 minutes, it's essential to stay mindful of sun exposure, especially if engaging in outdoor activities. As the days grow shorter and milder, September serves as a reminder of the changing seasons, while still offering ample opportunities to enjoy the outdoors safely. For more detailed insights, check out the Kristiansand UV Index.
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September in Kristiansand, Norway, brings a gentle shift in daylight as summer’s vibrant embrace begins to wane. With 285 hours of sunshine, the month offers a delightful balance, reminiscent of the bustling warmth of the peak summer months yet more subdued than the brilliant luminosity of July's 470 hours. As the days shorten and autumn approaches, the gradual decline in sunlight is evident, with October dipping to 235 hours. This transition highlights September as a pivotal point, capturing the tail end of summer's glory while hinting at the serene beauty of fall. The steady increase from January's 100 hours to July's peak underscores the region's seasonal dance, making September a sweet farewell to long, sunlit days before winter's quiet darkness settles in.
In Kristiansand, Norway, September often marks a transition towards the cooler months, and, unfortunately, this shift is reflected in the weather. With a sunshine probability of only 29%, it’s one of the dimmest months in terms of sunny weather. This decline follows a summer trend, where the likelihood of sun peaks in July and August, hovering around the mid-40s. As autumn approaches, the chances dwindle, with October bringing an even bleaker 24% sunshine chance. Thus, while September might still boast some bright days, it tends to leave residents longing for the sunnier spells of the earlier summer months.
As summer fades in Kristiansand, September marks a gentle transition with 12 hours of daylight. This month bridges the long, sunlit days of June and July, which boast a remarkable 18 and 17 hours of light, respectively. In September, the fading summer sunlight gradually gives way to autumn's embrace, a noticeable decline from August's 15 hours. Following the trend of dwindling daylight, October and November will see even shorter days, descending to just 10 and 7 hours, respectively. This rhythm reflects the region’s distinct seasonal shifts, where each month uniquely paints the sky, welcoming the cozy ambiance of autumn.
As September arrives in Kristiansand, Norway, the winds begin to pick up slightly, with an average speed of 3.9 m/s (9 mph). This month marks a subtle transition as the gusts become more invigorating compared to the calm summer days, where the wind lingered around 3.5 m/s (8 mph) from June to August. Following the moderate September breeze, the wind speeds are set to increase in the coming months, particularly in October and November, when they reach around 4.6 m/s (10 mph) and 4.5 m/s (10 mph), respectively. The gentle yet noticeable uplift in wind strength hints at the approaching autumn, inviting the crispness of fall to sweep over the picturesque coastal town.
Weather in Kristiansand varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kristiansand, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather patterns. In September, temperatures range from a cool 3°C (38°F) to a warm 24°C (76°F), with an average of 13°C (55°F). The month experiences considerable rainfall, totaling 141 mm (5.6 in) over 16 days, while humidity remains high at 86%. In comparison, January is much colder, with temperatures dropping to a minimum of -14°C (6°F) and peaking at only 9°C (49°F), averaging around 1°C (35°F). Precipitation in January is lower at 97 mm (3.8 in) across 12 days, accompanied by even higher humidity at 93%. For more detailed insights, you can check Kristiansand weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a minimum of 3°C (38°F) to a pleasant maximum of 24°C (76°F), with an average of 13°C (55°F). The month experiences significant rainfall of 141 mm (5.6 in) over about 16 days, coupled with high humidity levels at 86%. Conversely, February is much colder, with temperatures dipping as low as -14°C (7°F), averaging just 1°C (34°F) and reaching a maximum of 10°C (50°F). Precipitation in February is slightly lower at 120 mm (4.7 in) over 14 days, and humidity is high at 91%. For more details about February weather, you can visit Kristiansand weather in February.
In comparing the weather of September and March, we see notable contrasts. September enjoys a milder average temperature of 13°C (55°F), with highs reaching up to 24°C (76°F), while March is much chillier, averaging only 3°C (37°F) and with a maximum of 18°C (64°F). Precipitation is relatively high in both months, with September receiving 141 mm (5.6 in) over 16 days and March slightly less at 113 mm (4.4 in) over 14 days. Humidity levels are also quite comparable, with September at 86% and March at 88%. For more details, you can explore Kristiansand weather in March.
September and April present contrasting weather patterns. In September, temperatures range from a minimum of 3°C (38°F) to a pleasant maximum of 24°C (76°F), with an average of 13°C (55°F). This month experiences significant rainfall, totaling 141 mm (5.6 in) over approximately 16 days, coupled with high humidity at 86%. In contrast, April sees cooler conditions, with temperatures dipping to a minimum of -5°C (23°F) and peaking at 19°C (66°F), averaging around 6°C (43°F). This month is considerably drier, receiving only 42 mm (1.6 in) of precipitation over 8 days, and maintaining a slightly lower humidity level at 83%. For more details on April's weather, you can check Kristiansand weather in April.
September and May present contrasting weather patterns. In September, temperatures range from a cool minimum of 3°C (38°F) to a comfortable maximum of 24°C (76°F), with an average of 13°C (55°F). The month is characterized by higher humidity at 86% and considerable precipitation, totaling 141 mm (5.6 in) over 16 days. In contrast, May starts with cooler mornings, featuring a minimum temperature of -1°C (31°F), but warms up to a maximum of 25°C (77°F) and an average of 11°C (51°F). May is drier, with 98 mm (3.9 in) of precipitation spread over just 10 days and a lower humidity level of 75%. For more detailed insights into the weather in May, you can visit Kristiansand weather in May.
In comparing the weather between September and June, we see notable differences. September typically presents cooler temperatures, with a minimum of 3°C (38°F) and an average of 13°C (55°F), while June enjoys slightly warmer conditions, with a minimum of 5°C (41°F) and an average of 15°C (60°F). The maximum temperatures in June reach up to 28°C (83°F), compared to September's peak of 24°C (76°F). Additionally, September experiences more precipitation, totaling 141 mm (5.6 in) over 16 days, whereas June averages 98 mm (3.9 in) across 12 days. The humidity also differs significantly, with September registering at 86% compared to June's 74%. For more detailed information, you can visit Kristiansand weather in June.
In comparing the weather of September and July, it’s clear that September tends to be cooler and wetter. While July boasts warmer temperatures with average highs reaching 28°C (83°F), September’s average max temperature is a much cooler 24°C (76°F). Additionally, August experiences higher humidity levels at 86%, compared to July’s 74%. Precipitation is slightly higher in September, with 141 mm (5.6 in) over 16 days, while July sees 130 mm (5.1 in) across 13 days. For those interested in July weather specifics, you can check Kristiansand weather in July.
In comparing the weather between August and September, notable differences emerge. September experiences cooler temperatures, with a minimum of 3°C (38°F) and an average of 13°C (55°F), while August holds milder conditions with a minimum of 8°C (46°F) and an average of 16°C (60°F). The maximum temperatures are quite similar, peaking at 24°C (76°F) in September and 25°C (78°F) in August. Precipitation is slightly higher in September, totaling 141 mm (5.6 in) over 16 rainy days, compared to August’s 137 mm (5.4 in) over just 14 days. Additionally, September is more humid, with a humidity level of 86% compared to August's 78%. For a closer look at the August weather, you can visit Kristiansand weather in August.
September and October present a noticeable shift in weather conditions. In September, temperatures range from a minimum of 3°C (38°F) to a pleasant maximum of 24°C (76°F), with an average of 13°C (55°F). The month experiences 141 mm (5.6 in) of precipitation over 16 days, coupled with high humidity at 86%. In contrast, October sees colder temperatures, with lows dropping to -1°C (30°F) and an average of 9°C (48°F), peaking at 16°C (61°F). Precipitation increases to 202 mm (8.0 in) spread over 17 days, and humidity rises to 92%. This transition marks a move from the relatively warm days of September to the chillier and wetter conditions of October. For more details, check out Kristiansand weather in October.
In September, the weather is generally milder, with average temperatures ranging from 3°C (38°F) at night to a pleasant 24°C (76°F) during the day, accompanied by 141 mm (5.6 in) of precipitation over 16 days, resulting in relatively high humidity at 86%. In contrast, November brings noticeably colder temperatures, with averages dropping to a minimum of -7°C (19°F) and a maximum of 14°C (57°F). The month sees a slight increase in precipitation, totaling 149 mm (5.9 in) over 17 days, and a higher humidity level of 92%. For more details on November's weather, you can visit Kristiansand weather in November.
September and December present contrasting weather conditions. In September, temperatures range from a minimum of 3°C (38°F) to a pleasant maximum of 24°C (76°F), with an average of 13°C (55°F). The month experiences 141 mm (5.6 in) of precipitation over 16 days, with humidity levels at 86%. In contrast, December sees a significant drop in temperatures, with a minimum of -13°C (9°F) and a maximum of only 10°C (51°F), averaging around 2°C (36°F). During this month, precipitation increases to 174 mm (6.8 in) over 19 days, and humidity rises slightly to 92%. For more details on December weather, you can check Kristiansand weather in December.
As September arrives in Kristiansand, the weather begins to transition, offering a distinct change from the summer months. While temperatures can still reach a pleasant 24°C, the average drops to a cooler 13°C, inviting the crispness of autumn. With 141 mm of rain spread over 16 days, it's a wetter month, characterized by increased humidity that often lingers around 86%. This combination of rain and cooler temperatures marks a shift in the season, making September a time for cozy sweaters and scenic walks among the changing foliage. For more insights into the climate trends throughout the year, explore Kristiansand Climate.