Last updated: August 21, 2025
September in Ivalo, Finland ushers in a notable transition as summer gives way to autumn. With temperatures peaking at a maximum of 21°C (70°F) and dipping to a brisk minimum of -3°C (26°F), the month averages around 8°C (46°F), offering a refreshing experience for residents and visitors alike. Nature's bounty is accompanied by 63 mm (2.5 in) of rainfall over approximately 12 days, contributing to the lush landscapes characteristic of this northern region. The air is infused with a humidity level of 92%, enhancing the crisp, invigorating atmosphere that September in Ivalo uniquely presents. Whether you’re exploring the vibrant changing foliage or enjoying outdoor activities, this month encapsulates the beauty of Finland’s early autumn.
In Ivalo, Finland, September marks a transition into cooler temperatures as the summer warmth begins to wane. With a minimum temperature of -3°C (26°F) and an average of 8°C (46°F), the days bring a refreshing chill, while highs can reach up to 21°C (70°F), still reminiscent of summer. This month strikes a delicate balance, where the crispness of autumn starts to set in but the lingering warmth allows for enjoyable outdoor activities. As the landscape prepares for the approaching winter, September in Ivalo presents a unique blend of seasons, inviting visitors to witness the stunning transformation of the northern wilderness.
In September, Ivalo experiences a noteworthy transition in its precipitation patterns, with 63 mm (2.5 in) of rain falling over 12 days. This marks a drop from the more abundant 107 mm (4.2 in) seen in August, reflecting the gradual shift from summer to autumn. While September's rainfall is substantial, it aligns with a broader trend of increased precipitation during the spring and summer months, peaking in August. This pattern suggests that as the seasons change, residents of Ivalo can expect a step back from the summer deluge, signaling the onset of cooler, wetter fall weather.
As autumn approaches, September in Ivalo, Finland, reveals a notable dip in humidity compared to the peak summer months, stabilizing at 92%. This slight decrease from August's 90% hints at a gradual transition in the air as the warmer days begin to fade. Throughout the year, humidity remains consistently high, peaking at a remarkable 99% in January and only dropping to a comfortable 83% during the mild days of June. The overall trend showcases Ivalo's predominantly humid climate, with September standing out as a transitional month, balancing the lingering warmth of summer and the impending chill of winter. As October looms, humidity levels rise again, reminding residents that Ivalo's damp character remains steadfast throughout the year.
As September rolls into Ivalo, Finland, the UV Index dips to a manageable 2, reflecting the transition into the autumn months. During this time, the exposure category is considered low, allowing residents and visitors to enjoy outdoor activities with a burn time of 45 minutes before sun protection becomes necessary. This slight reduction follows the summer's peak UV levels in June and July, both of which reached an index of 5. The gradual decline from the more intense sun of summer heralds cooler days ahead, making September an ideal month for outdoor exploration without the heightened sun risk. For those planning their time in Ivalo, be sure to check the current levels on the Ivalo UV Index for safe sun exposure practices!
UV Risk Categories
In September, Ivalo, Finland, enjoys a remarkable transition as daylight begins to wane, offering 238 hours of sunshine that heralds the onset of autumn. This marked decrease from the sun-drenched days of July, which boasted an impressive 468 hours, signifies a notable shift in seasonal patterns. As summer fades, the crisp air and vibrant autumn colors emerge, creating a picturesque backdrop for outdoor enthusiasts. The gradual tapering of light is a prelude to the long, dark winter months ahead, where October and November see plunges in sunshine to just 117 and 38 hours respectively. Yet, September remains a golden opportunity to bask in nature's beauty before the cold sets in.
In Ivalo, Finland, September marks the transition from summer to autumn, bringing with it a 17% chance of sunny weather. This slight decline in sunshine is part of a broader trend observed as the year progresses; after the peak of 38% in June, the likelihood of sunny days wanes, with August seeing a drop to 19%. As the days grow shorter, the chances remain modest in September, reflecting a gradual shift away from the warmth of summer. Travelers can expect cooler temperatures and an increasing blend of nature's autumn hues, but the occasional sunny break is still possible, offering glimmers of light before winter sets in.
In Ivalo, Finland, September marks a transitional phase as daylight begins to wane following the vibrant, sunlit months of summer. With 13 hours of daylight, the days grow noticeably shorter compared to the long, 24-hour brightness of June. This reduction signals the approach of autumn, as daylight gradually diminishes from the plentiful 21 hours in May. The shift from summer’s extensive brightness to the crisp, refreshing days of early fall creates a unique atmosphere, inviting residents and visitors alike to embrace the beautiful interplay of light and shadow as nature prepares for the winter months ahead.
In Ivalo, Finland, September brings a notable shift in the winds, with an average speed of 3.9 m/s (9 mph), marking an increase that sets the tone for the transition into autumn. This uptick contrasts with the calmer summer months, particularly July and August, which experienced lighter winds at 3.4 m/s (8 mph) and 2.9 m/s (7 mph), respectively. Interestingly, just as the leaves begin to turn, the winds pick up again as October approaches, reaching 4.2 m/s (9 mph). This September breeze heralds the coming chill, creating a refreshing yet invigorating atmosphere for the residents and visitors alike, reminiscent of the dramatic shifts that define the Finnish seasons.
Weather in Ivalo varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ivalo, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present strikingly different weather conditions. In September, temperatures range from a minimum of -3°C (26°F) to a pleasant average of 8°C (46°F), reaching a maximum of 21°C (70°F). The month sees about 63 mm (2.5 in) of rainfall over an average of 12 days, and humidity levels are relatively high at 92%. Conversely, January offers a chilling contrast with much lower temperatures, hitting a minimum of -28°C (-18°F) and an average of -10°C (14°F), peaking at a mere 5°C (40°F). Precipitation in January is less frequent, totaling 33 mm (1.3 in) over 9 days, accompanied by a staggering humidity level of 99%. For more detailed information, check Ivalo weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a chilly -3°C (26°F) at night to a comfortable 21°C (70°F) during the day, leading to an average of 8°C (46°F). The month sees approximately 63 mm (2.5 in) of precipitation over about 12 days, with humidity levels around 92%. In contrast, February is notably colder, with temperatures dipping down to a frosty -27°C (-16°F) at night and peaking at just 5°C (41°F), resulting in an average of -10°C (13°F). Despite having lower precipitation at 32 mm (1.2 in) over 7 days, the humidity remains high at 98%. For a detailed look at February's climate, check out Ivalo weather in February.
September and March present markedly different weather conditions. In September, temperatures range from a minimum of -3°C (26°F) to a pleasant maximum of 21°C (70°F), with an average of 8°C (46°F). The month is characterized by moderate precipitation of 63 mm (2.5 in) over 12 days and a relatively high humidity of 92%. In contrast, March is much colder, with temperatures plummeting to a minimum of -24°C (-11°F) and only reaching a maximum of 7°C (45°F), averaging at -6°C (21°F). Although March sees less precipitation at 32 mm (1.2 in) over 9 days, the humidity remains high at 94%. For a deeper dive into the specifics of March weather in Ivalo, refer to Ivalo weather in March.
When comparing the weather in September to that in April, notable differences emerge. September generally boasts milder temperatures, with an average of 8°C (46°F) and a maximum of 21°C (70°F), while April lags behind with an average of -1°C (31°F) and a maximum of 13°C (55°F). Additionally, September experiences more precipitation, totaling 63 mm (2.5 in) over 12 days, compared to April's 38 mm (1.5 in) across 11 days. Both months have high humidity levels, with September at 92% and April slightly lower at 90%. For more detailed insights about April's weather, you can visit Ivalo weather in April.
September and May present contrasting yet similar weather patterns. In September, temperatures range from a chilly -3°C (26°F) to a comfortable 21°C (70°F), with an average of 8°C (46°F). This month experiences 63 mm (2.5 in) of precipitation across 12 days, coupled with high humidity levels at 92%. In comparison, May is slightly cooler overall, with temperatures dipping to -7°C (20°F) and averaging 4°C (39°F), while also reaching a maximum of 21°C (69°F). The precipitation remains the same at 63 mm (2.5 in) over 12 days, but with lower humidity at 84%. Despite the similar rainfall amounts, the distinct temperature profile and humidity levels set September and May apart. For more detailed information, you can check Ivalo weather in May.
In comparing the weather of September and June, one can observe a notable difference in temperatures and precipitation patterns. September experiences a wider temperature range, with minimum temperatures dipping to -3°C (26°F) and maximums reaching 21°C (70°F), yielding an average of 8°C (46°F). In contrast, June boasts slightly milder conditions, with minimums of -1°C (30°F), maximums of 24°C (76°F), and an average of 10°C (51°F). Additionally, rainfall in June is marginally higher at 79 mm (3.1 in) over the same number of days as September, which sees 63 mm (2.5 in) of precipitation. Notably, humidity remains quite high in both months, at 92% in September and 83% in June. For more specific details, you can check the Ivalo weather in June.
In comparing the weather of September and July, a significant difference in temperature is evident. September experiences a more moderate range, with minimum temperatures dipping to -3°C (26°F) and averaging around 8°C (46°F), compared to July's warmer minimum of 3°C (38°F) and an average of 15°C (59°F). July also boasts higher maximum temperatures, reaching up to 31°C (88°F), whereas September peaks at 21°C (70°F). Additionally, precipitation levels are slightly higher in July, with 92 mm (3.6 in) over 13 days, in contrast to September's 63 mm (2.5 in) across 12 days. Humidity is also notable, with September showing a higher level at 92% compared to July's 85%. For more detailed insights, check out Ivalo weather in July.
In comparing the weather of September and August, September is notably cooler, with average temperatures ranging from a minimum of -3°C (26°F) to a maximum of 21°C (70°F), as opposed to August's milder temperatures that peak at 31°C (88°F) and average around 12°C (54°F). Furthermore, September experiences more frequent rainfall, with precipitation occurring on 12 days and totaling 63 mm (2.5 in), whereas August has higher total precipitation of 107 mm (4.2 in) over 18 days. Humidity levels are comparable, with September at 92% and August at 90%. For a more detailed view of August's climate, you can check Ivalo weather in August.
September and October show a marked shift in weather conditions. While September experiences milder temperatures with a minimum of -3°C (26°F) and an average of 8°C (46°F), October sees a significant drop, reaching a minimum of -13°C (9°F) and an average of just 1°C (34°F). Precipitation also increases slightly, with September recording 63 mm (2.5 in) over 12 days compared to October's 73 mm (2.9 in) over 16 days. Additionally, humidity rises from 92% in September to 96% in October, creating a noticeably chillier and wetter atmosphere as fall progresses. For more detailed weather information, check out Ivalo weather in October.
In comparing the weather between September and November, a notable drop in temperatures can be observed. September boasts an average temperature of 8°C (46°F), with a maximum of 21°C (70°F) and minimums dropping to -3°C (26°F). In contrast, November experiences a significant chill, with average temperatures plummeting to -4°C (25°F), and extremes reaching as low as -21°C (-6°F).
Precipitation levels also vary slightly, with September receiving 63 mm (2.5 in) over 12 days, while November sees less precipitation at 42 mm (1.7 in) but over 10 days. The humidity remains high in both months, reaching 92% in September and slightly increasing to 98% in November. For more detailed information, you can check Ivalo weather in November.
September and December present striking contrasts in weather. In September, temperatures range from a minimum of -3°C (26°F) to a comfortable maximum of 21°C (70°F), with an average of 8°C (46°F). The month sees considerable precipitation, totaling 63 mm (2.5 in) over about 12 days, accompanied by high humidity at 92%. In contrast, December is marked by much colder conditions, with temperatures plummeting to a minimum of -31°C (-23°F) and averaging -8°C (18°F), peaking at just 3°C (38°F). Precipitation decreases to 39 mm (1.6 in) over 11 days, and the humidity reaches a striking 100%. For more details about the December weather in this region, check out Ivalo weather in December.
As summer fades, September in Ivalo brings a noticeable shift in weather characterized by a cooling atmosphere and increased humidity, setting it apart from the milder months preceding it. The days are more variable, showcasing a mix of lingering warmth and brisk, chilly evenings. With an uptick in precipitation and frequent rainy days, locals and visitors alike should be prepared for damp conditions, making it essential to dress in layers. This month's transformation not only hints at the looming beauty of autumn but also encourages exploration of the stunning landscapes that Ivalo has to offer. For more detailed insights into the area's climate, visit Ivalo Climate.