Last updated: August 27, 2025
In September, Lillehammer, Norway experiences a transition into autumn, marked by a varied temperature range with maximums reaching 23°C (75°F) and minimums dipping to -1°C (31°F). The average temperature settles around 9°C (49°F), providing a cool yet pleasant atmosphere. As the month progresses, the region sees approximately 102 mm (4.0 in) of precipitation over about 14 days, contributing to the lush landscapes that define this picturesque area. With humidity levels at a brisk 91%, visitors can expect refreshing air that underscores the beauty of Lillehammer's shifting seasons.
September in Lillehammer, Norway marks the transition from the warmth of summer to the crispness of autumn. With temperatures ranging from a low of -1°C (31°F) to a comfortable max of 23°C (75°F), the month presents a refreshing mix that invites outdoor exploration. The average temperature settles around 9°C (49°F), offering a delightful balance for those savoring the last remnants of mild weather. As the days grow shorter and the air turns cooler, the vibrant hues of fall foliage begin to emerge, creating a picturesque backdrop for visitors. This shift not only signals the change in season but also sets the stage for cozy evenings and the anticipation of winter’s approach.
In September, Lillehammer experiences a notable uptick in rainfall, with precipitation peaking at 102 mm (4.0 in) over 14 days of the month. This marks a continuation of the wetter trend that began in the summer, as August already recorded a significant 115 mm (4.5 in). The increase in rainy days, from 15 in August to 14 in September, suggests a shift toward more persistent, albeit varied, weather patterns as the region transitions into autumn. Overall, these figures indicate that while summer may be winding down, the rainy season is firmly taking hold, reshaping both the landscape and the local climate in Lillehammer.
September in Lillehammer, Norway, presents a refreshing transition as summer bids farewell, with humidity levels averaging 91%. This slight uptick from August's 87% mirrors the beginning of autumn, where the crisp air begins to mingle with moisture from the approaching rainy season. Notably, while January reigns supreme with a striking 98% humidity, the gradual decline through the spring months emphasizes the region's cooler, drier climate during this period. However, with September's humidity still relatively high, it serves as a reminder of the lush landscapes that thrive in Norway, paving the way for the more humid months of autumn, where levels will settle back into the 95% to 97% range by November. This subtle ebb and flow of moisture throughout the year beautifully illustrates Lillehammer's unique climate and its vibrant seasonal changes.
As September rolls into Lillehammer, the UV Index dips slightly to 4, indicating a moderate level of UV exposure. This level is a transition from the high indices of summer, where July and June reached peaks of 7. With a burn time of about 30 minutes, it's essential to stay cautious, particularly during midday sun. As autumn approaches, it's interesting to note how the UV Index value generally trends downward; after a peak in May and June, September marks a noticeable decrease, paving the way for the cooler months ahead. For more detailed information on UV levels throughout the year, check out the comprehensive guide here: Lillehammer UV Index.
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As the summer sun begins to wane, September in Lillehammer, Norway, offers a beautiful transition with 243 hours of sunshine, a noticeable dip from the vibrant glow of July and August. This decline marks a shift as the days shorten, yet September still enjoys a generous amount of light—more than double the hours seen in January. The sunshine hours have gradually increased from 84 in January to a peak of 464 in July, exemplifying a remarkable seasonal progression. Even as autumn looms, the lingering sunshine provides a cheerful backdrop for outdoor activities, reminding us of the warmth that enveloped the region just weeks prior. With October approaching and a forecast of decreasing sunlight, September serves as a stunning bridge, blending the lingering warmth of summer with the cool embrace of fall.
September in Lillehammer, Norway, brings the beginning of autumn, and with it, a noteworthy dip in sunshine, with only a 20% chance of sunny days. This trend follows a mildly brighter summer, where July and August offered 43% and 28% respectively, showcasing a pattern of fluctuating sunlight throughout the year. As we transition into fall, the likelihood of clear skies decreases, reminiscent of the gloomier months that lie ahead in October and November, both hovering around 23%. While September may not boast the sun-drenched days of mid-summer, it does offer a picturesque setting as the landscape transforms, inviting a different kind of beauty to the region.
As September unfolds in Lillehammer, Norway, the daylight begins its gentle descent, offering about 12 hours of sunshine each day. After basking in the long, bright days of summer, when sunlight stretched to nearly 19 hours in June, the city transitions towards shorter days as autumn approaches. This decrease continues into October, where daylight dwindles to just 9 hours. Notably, September serves as a pivotal month, striking a balance between the generous brightness of summer and the diminishing daylight of winter. The gradual but steady reduction in sunlight foreshadows the rich, colorful changes of fall, inviting residents and visitors alike to relish the softer, golden hues that September brings.
As September rolls into Lillehammer, Norway, the gentle caress of the wind begins to match the subtle change in the seasons. With an average wind speed of 2.1 m/s (5 mph), this month sees a continuation of the light breezes that have persisted through the summer. Notably, September’s winds mirror those of August, indicating a trend of relative calm as autumn approaches. This pattern, along with slightly increased gusts observed in October at 2.4 m/s (5 mph), suggests that while the temperatures may cool, the winds maintain a consistent ease, making for pleasant outdoor adventures amid the vibrant fall foliage.
Weather in Lillehammer varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Lillehammer, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather in Lillehammer is notably milder, with temperatures ranging from a low of -1°C (31°F) to a high of 23°C (75°F), averaging around 9°C (49°F). The humidity is relatively high at 91%, and the region experiences about 102 mm (4.0 in) of precipitation over 14 days. In contrast, January brings much colder conditions, with temperatures plummeting to a minimum of -22°C (-7°F) and an average of -6°C (22°F), peaking at 9°C (48°F). Despite having less precipitation at 54 mm (2.1 in) over only 8 days, the humidity spikes to 98%, creating a stark contrast between the two months. For more details, check out Lillehammer weather in January.
September and February in Lillehammer present contrasting weather patterns. In September, temperatures range from a chilly -1°C (31°F) at night to a pleasant 23°C (75°F) during the day, providing a mild overall average of 9°C (49°F). The month experiences significant rainfall, accumulating 102 mm (4.0 in) over 14 days, with humidity levels at 91%, creating a refreshing yet damp atmosphere.
In stark contrast, February brings much colder conditions, with temperatures dipping as low as -20°C (-3°F) and averaging -5°C (23°F) during the day. The maximum temperature reaches only 7°C (45°F), and precipitation is lower at 53 mm (2.1 in) across 10 days, although humidity remains high at 95%. For more details on the weather in February, you can check Lillehammer weather in February.
When comparing the weather in September and March, we see notable differences in temperature and precipitation. September enjoys milder conditions with average temperatures ranging from a chilly 1°C (34°F) at night to a warm 23°C (75°F) during the day. In contrast, March experiences significantly colder temperatures, with averages dipping to -2°C (29°F) and nighttime lows reaching as low as -23°C (-9°F).
Precipitation also varies between the two months; September sees about 102 mm (4.0 in) over 14 days, whereas March has a lower amount of 54 mm (2.1 in) across 9 days. Both months exhibit high humidity levels, with September at 91% and March slightly higher at 92%. For a more detailed look at March weather in Lillehammer, you can visit Lillehammer weather in March.
When comparing the weather in September and April, significant differences are evident. September typically enjoys milder temperatures, with averages around 9°C (49°F) and maximums reaching 23°C (75°F), while April sees cooler conditions, averaging only 2°C (36°F) with a maximum of 21°C (69°F). Precipitation is more pronounced in September with 102 mm (4.0 in) over 14 days, compared to April's lighter 34 mm (1.4 in) over just 6 days. Interestingly, while September boasts a higher temperature, April's minimum plunges to a chilly -15°C (5°F), resulting in a significant temperature contrast at night. Humidity levels are relatively similar, with September at 91% and April at 88%. For more specific details on April weather, check out Lillehammer weather in April.
In comparing the weather of September and May, we see notable differences in temperature and precipitation patterns. September typically experiences a milder minimum temperature of -1°C (31°F) and a maximum of 23°C (75°F), with an average around 9°C (49°F) and higher humidity at 91%. In contrast, May starts with cooler conditions, featuring a minimum of -6°C (21°F) and a maximum of 27°C (80°F), averaging 8°C (47°F) and displaying a lower humidity level of 84%. Precipitation is also slightly more prominent in September, with 102 mm (4.0 in) over 14 days, compared to May's 85 mm (3.4 in) across 13 days. For more detailed insights on May weather, check out Lillehammer weather in May.
When comparing the weather in September and June, notable differences emerge in temperature and humidity levels. September tends to be cooler, with average temperatures ranging from a minimum of -1°C (31°F) to a maximum of 23°C (75°F), while June boasts warmer conditions, featuring a minimum of 1°C (34°F) and a maximum of 28°C (82°F). Additionally, September experiences higher humidity at 91%, compared to June's 82%. Precipitation is quite similar in both months, with September receiving 102 mm (4.0 in) over 14 days, while June totals 97 mm (3.8 in) across 12 days. For more insights on June weather specifics, you can check out Lillehammer weather in June.
In comparing the weather of September and July, a notable difference in temperature is evident. September features cooler temperatures, with an average of 9°C (49°F) and a maximum of 23°C (75°F), while July boasts a much warmer average of 15°C (60°F) and peaks at 30°C (87°F). Precipitation levels are relatively similar in both months, with September experiencing slightly more rain at 102 mm (4.0 in) across 14 days compared to July's 92 mm (3.6 in) over 13 days. Additionally, September presents higher humidity at 91%, while July's humidity sits at 82%. For more details, you can refer to Lillehammer weather in July.
In comparing the weather between August and September, we see a notable shift in temperatures and precipitation patterns. September experiences cooler conditions with a minimum of -1°C (31°F) and a maximum of 23°C (75°F), leading to an average temperature of 9°C (49°F). In contrast, August is slightly warmer, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 26°C (79°F) and an average of 13°C (56°F). Precipitation in September is slightly lower at 102 mm (4.0 in) over 14 days, compared to 115 mm (4.5 in) over 15 days in August, though September does have a higher humidity level at 91% compared to August’s 87%. For more details on August weather specifics, visit Lillehammer weather in August.
September and October present a notable shift in weather conditions. In September, temperatures range from a minimum of -1°C (31°F) to a maximum of 23°C (75°F), with an average of 9°C (49°F). This month experiences about 102 mm (4.0 in) of precipitation over 14 days, coupled with high humidity at 91%. In contrast, October brings cooler temperatures, with a minimum of -7°C (20°F), an average of 4°C (40°F), and a maximum of 15°C (60°F). Precipitation increases to 125 mm (4.9 in) over 17 rainy days, and humidity rises slightly to 95%. For a more detailed look at the weather specifics, you can check Lillehammer weather in October.
In September, the weather in Lillehammer showcases a more moderate temperature range with minimums around -1°C (31°F), averaging 9°C (49°F), and reaching a maximum of 23°C (75°F). This month experiences significant rainfall, with a total precipitation of 102 mm (4.0 in) over 14 days, coupled with high humidity levels at 91%.
Conversely, November brings much colder conditions, with temperatures dipping to a minimum of -14°C (7°F) and maintaining an average of 0°C (32°F), peaking at just 11°C (52°F). Although November sees slightly less precipitation at 95 mm (3.7 in) across 13 days, humidity levels rise to 97%, creating a much colder and damper atmosphere. For more detailed information about the weather in Lillehammer this time of year, visit Lillehammer weather in November.
September and December exhibit stark contrasts in weather conditions. In September, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 23°C (75°F), with an average of 9°C (49°F). The month experiences significant precipitation, totaling 102 mm (4.0 in) over 14 days, and the humidity is relatively high at 91%. In contrast, December brings much colder temperatures, with a minimum dipping to -20°C (-3°F) and a maximum only reaching 5°C (42°F), averaging -5°C (24°F). Although December sees slightly less precipitation at 89 mm (3.5 in) over 15 days, the humidity is even higher at 98%. For more information about typical weather patterns during this month, check out Lillehammer weather in December.
As summer transitions to fall, September in Lillehammer offers a distinct shift in weather compared to the bustling warmth of summer months. While maximum temperatures can still reach a pleasant 23°C (75°F), the overall mood is set by cooler averages of 9°C (49°F) and the occasional chill of crisp nights. This month is marked by increased precipitation, with about 14 days bringing much-needed moisture, contributing to the lush landscape and a remarkable humidity level of 91%. Embrace this blend of mild days and refreshing evenings as you explore the changing colors of nature. For an in-depth look at how Lillehammer's September weather compares to the rest of the year, visit Lillehammer Climate.