September Weather in Tampere, Finland

Last updated: August 21, 2025

September in Tampere, Finland brings a delightful transition into autumn, with temperatures ranging from a mild maximum of 23°C (73°F) to a refreshing minimum of -1°C (31°F). The average temperature hovers around a crisp 11°C (52°F), making it perfect for outdoor activities as the leaves begin to change. However, prepare for some moisture, as the month sees about 65 mm (2.6 in) of precipitation over approximately 12 days, complemented by a high humidity level of 90%. Embrace the seasonal charm and explore the serene beauty of this vibrant Finnish city amidst the enchanting backdrop of September.

September Temperature in Tampere

As autumn sets in, September in Tampere, Finland brings a delightful transition in temperatures. The month starts with cool mornings, where temperatures dip to around -1°C (31°F), but the days progressively warm up to a pleasant average of 11°C (52°F). With daytime highs reaching up to 23°C (73°F), it’s a time when the crispness of fall mingles with lingering warmth, creating an inviting atmosphere for outdoor activities. This blend of cooler evenings and mild afternoons marks September as a unique bridge between the vibrant summer and the chillier months ahead, making it a wonderful period to explore the scenic beauty of this Finnish city before winter's onset.

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

The chart illustrates September temperature patterns in Tampere, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tampere, 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).
JanFebMarAprMayJunJulAugSepOctNovDec252329374961636052433629
Data source: Temperature data for Tampere 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 Tampere

In September, Tampere experiences a noteworthy shift in its climate, with precipitation amounting to 65 mm (2.6 in) over 12 days. This shows a slight decrease from the wetter, summer months of July and August, which both recorded higher rainfall. The September showers signal the transition into autumn, as cool breezes bring the season's first hints of crisp air. With average precipitation levels typically hovering around the mid-60s mm during this month, it indicates a relatively steady trend, contributing to the lush greenery that characterizes Tampere's landscapes as the leaves begin to change. Overall, September balances both wet and dry days, offering a mix of enchanting autumnal weather for residents and visitors alike.

September Precipitation Trends in Tampere

The chart displays monthly precipitation patterns in Tampere, 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 Tampere, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec474042425671738765795864
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Tampere

September in Tampere, Finland, often marks a transition in weather patterns, as humidity levels settle at a notable 90%. This month experiences a significant drop from the peak summer humidity of 80% to 83% in July and August, yet it remains quite high compared to the upcoming autumn months. After the summer's warmth, September's lingering humidity serves as a reminder of the approaching chill of autumn, as the city prepares for the gradual increase in moisture that’s characteristic of October and November. Overall, September acts as a bridge between the summer's warmth and the crispness of fall, maintaining a muggy atmosphere that hints at the seasonal changes ahead.

September Average Humidity in Tampere

This chart illustrates the average monthly humidity levels in Tampere, 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 Tampere is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%93%87%75%75%80%83%90%93%94%95%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tampere

In September in Tampere, Finland, the UV Index settles at a moderate level of 3, indicating a shift from the heightened sun exposure of summer months. With a burn time of just 30 minutes, outdoor enthusiasts should remain mindful of sun safety, as the lingering warmth beckons for activities outdoors. After the peak summer months of June and July, which boasted a high UV Index of 6, September presents a more manageable environment for enjoying the city’s beautiful landscapes. As autumn approaches, this drop in UV levels aligns with the gradual transition into cooler temperatures and shorter days. For more detailed information about UV trends throughout the year, visit Tampere UV Index.

Maximum UV Index Levels in Tampere for September

The chart shows the monthly maximum UV Index (UVI) for Tampere 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 Tampere typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Tampere 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 Tampere

As summer bids farewell, September in Tampere still embraces a generous share of sunshine, showcasing 271 hours of daylight—plenty for those wishing to bask in the waning warmth. This nostalgic month acts as a bridge from the sun-drenched heights of July (464 hours) and June (485 hours) to the cooler, dimmer days of autumn. While daylight begins to dwindle in the following months, with October seeing only 165 hours, September retains a delightful glow, offering a seasonal retreat before the long nights set in. This gradual transition highlights the beauty of change, as the vibrant shades of early fall dance under the gentle September sun.

Monthly Sunshine Duration in Tampere: September Highlighted

The September sunshine duration represents the total number of hours Tampere 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.
JanFebMarAprMayJunJulAugSepOctNovDec43h144h257h345h438h485h464h399h271h165h90h45h
Data source: Tampere September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tampere During September

As September rolls into Tampere, the chance of sunny days begins to wane, with only 24% likelihood of sun gracing the city. This marks a noticeable decline from the bustling days of summer, where July and June boast over 50% chances. While the month offers a transition into the crispness of autumn, it still holds a flicker of summer's warmth. Compared to the earlier months, such as the hopeful bloom of April at 44%, September's sunny potential feels somewhat subdued, yet it still provides moments of brightness before the sunshine retreats further into the gloom of fall.

Percentage of Sunny Days in September in Tampere

The chart illustrates the percentage of sunny days in Tampere 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 Tampere experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec3%17%37%44%29%50%52%25%24%11%15%12%
Data source: Tampere September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tampere in September

As summer fades, September in Tampere ushers in a noticeable shift in daylight duration, providing approximately 12 hours of sunlight. This marks a gentle decline from the vibrant 15 hours of daylight in August, reflecting the transition from the long summer days to the shorter autumn months. Following the sun-soaked heights of June and July, which basked in nearly 19 hours of daylight, September serves as a bridge to the deeper shades of autumn, with diminishing light leading into October's 9 hours. This gradual reduction highlights the stark contrasts of the seasons in Finland, where each month brings a new palette of daylight experiences. Amidst this change, the crisp air and shifting hues of nature invite residents and visitors alike to embrace the unique charm of early autumn.

Average Daylight Hours in Tampere for September

The chart illustrates the variation in daylight duration in Tampere throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 24m8h 57m11h 50m14h 47m17h 35m19h 17m18h 21m15h 44m12h 50m9h 56m7h 9m5h 30m
Data source: Tampere daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Tampere

As September rolls into Tampere, the winds gently transition from the breezy embrace of summer to a cooler autumnal breath. With an average wind speed of 3.3 m/s (7 mph), September's winds are reminiscent of the calm yet invigorating gusts felt in earlier months like April and May. Interestingly, while summer's softest breezes lingered at 2.7 m/s (6 mph) in June, a gradual uptick in wind speed is noticeable as the year progresses, culminating in a brisker 4.2 m/s (9 mph) by October. This trend reflects the shifting seasons, hinting at the vibrant energy that autumn brings to the air, making September a prime time for enjoying the serene yet lively atmosphere of Tampere.

Average September Wind Speed in Tampere

The chart displays monthly wind speed patterns in Tampere, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.13.93.33.12.72.93.53.3 m/s4.23.63.5
Data source: Tampere September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Tampere Compares to Other Months

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

September and January present stark contrasts in weather conditions. In September, temperatures range from a mild minimum of -1°C (31°F) to a pleasant maximum of 23°C (73°F), with an average of 11°C (52°F). The month experiences about 65 mm (2.6 in) of precipitation over 12 days, accompanied by a relatively high humidity of 90%. In contrast, January is characterized by much colder weather, with temperatures plunging to a minimum of -26°C (-15°F) and an average of -4°C (25°F), peaking at a maximum of 7°C (45°F). This month sees less precipitation at 46 mm (1.8 in) spread over 11 days, yet humidity rises to a staggering 97%. For more information, visit Tampere weather in January.

In September, the weather in Tampere is notably milder, with temperatures ranging from a chilly minimum of -1°C (31°F) to a pleasant maximum of 23°C (73°F) and an average of 11°C (52°F). The month sees around 65 mm (2.6 in) of precipitation over approximately 12 days, all while maintaining high humidity at 90%. In stark contrast, February brings much colder temperatures, with a minimum plunging to -26°C (-15°F) and an average of -5°C (24°F). The maximum temperature only reaches 6°C (44°F), and precipitation decreases to 40 mm (1.6 in) over about 9 days, with humidity slightly higher at 95%. For a more detailed look at Tampere's February conditions, refer to Tampere weather in February.

September and March present contrasting weather profiles. In September, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 23°C (73°F), with an average of 11°C (52°F). The month experiences approximately 65 mm (2.6 in) of precipitation over 12 days, accompanied by relatively high humidity at 90%. In comparison, March is significantly colder, with temperatures dipping as low as -24°C (-11°F) and averaging around -2°C (29°F), peaking at a maximum of 11°C (53°F). Precipitation is less frequent, totaling about 42 mm (1.6 in) over 9 days, while humidity remains elevated at 93%. For more detailed insights into March weather, you can explore this link: Tampere weather in March.

In comparing the weather of September and April, we notice distinct differences in temperatures and precipitation patterns. September experiences milder temperatures, with a minimum of -1°C (31°F) and an average of 11°C (52°F), reaching a maximum of 23°C (73°F), while April is colder, featuring a minimum of -12°C (10°F) and an average of 3°C (38°F), topping out at 19°C (67°F). Precipitation is slightly higher in September, totaling 65 mm (2.6 in) over approximately 12 days, compared to 42 mm (1.7 in) over 10 days in April. Humidity levels are also relatively high in both months, with September at 90% and April at 86%. For more details on the weather in April, you can visit Tampere weather in April.

September and May in Tampere present distinct climatic conditions. In September, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 23°C (73°F), with an average of 11°C (52°F). This month experiences about 65 mm (2.6 in) of precipitation over 12 days and has a high humidity level of 90%. In contrast, May shows slightly lower overall temperatures, with a minimum of -3°C (28°F), an average of 10°C (50°F), and a maximum of 27°C (81°F). It receives less rainfall at 56 mm (2.2 in) over 10 days, accompanied by significantly lower humidity at 75%. These variations make September feel more humid and cooler overall, while May can feel warmer and drier. For more detailed information, check Tampere weather in May.

When comparing the weather in September and June, notable differences emerge in both temperature and humidity. September experiences a minimum temperature of -1°C (31°F) and averages 11°C (52°F), while June has a more temperate minimum of 2°C (37°F) and an average of 16°C (61°F), peaking at a warm 31°C (88°F). Additionally, both months have similar levels of precipitation, with September receiving 65 mm (2.6 in) over 12 days and June slightly higher at 71 mm (2.8 in) over 11 days. The humidity in September is significantly higher at 90%, compared to June's 75%, making September feel notably cooler and more damp. For more information, you can check out Tampere weather in June.

In comparing the weather between September and July, one can observe a notable shift in temperatures and humidity levels. September features cooler temperatures with a minimum of -1°C (31°F), an average of 11°C (52°F), and a maximum of 23°C (73°F), while July enjoys milder conditions, boasting a minimum of 7°C (44°F), an average of 17°C (63°F), and reaching highs of 30°C (87°F). Additionally, September sees higher humidity levels at 90%, compared to July’s 80%, contributing to a different feel in the atmosphere. Precipitation is relatively close in both months, with September receiving 65 mm (2.6 in) over 12 days, and July totaling 73 mm (2.9 in) across 11 days. For a detailed look at the weather patterns specific to July, you can visit Tampere weather in July.

Comparing the weather in September to August reveals a noticeable shift in conditions. September experiences cooler temperatures, with a minimum of -1°C (31°F) and an average of 11°C (52°F), while August maintains a warmer climate with a minimum of 7°C (44°F) and an average of 16°C (60°F). The maximum temperatures also reflect this trend; August peaks at 29°C (85°F), whereas September only reaches up to 23°C (73°F). In terms of precipitation, September sees slightly less rainfall with 65 mm (2.6 in) over 12 days compared to August's 87 mm (3.4 in) across 13 days. Additionally, humidity is higher in September at 90%, compared to August's 83%. For more details on August weather, you can visit Tampere weather in August.

September and October exhibit notable differences in weather patterns. September boasts milder temperatures, with averages around 11°C (52°F) and highs reaching up to 23°C (73°F). In contrast, October sees a drop in average temperatures to 6°C (43°F), with maximums peaking at 18°C (65°F). Precipitation also increases; September typically experiences 65 mm (2.6 in) over 12 days, while October accumulates 79 mm (3.1 in) over 15 days. Additionally, humidity rises from 90% in September to 93% in October, adding to the more pronounced chill of the fall season. For a detailed look at what to expect this month, check out Tampere weather in October.

In September, the weather is generally more moderate, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 23°C (73°F) and an average of 11°C (52°F). There's noticeable rainfall with a total of 65 mm (2.6 in) across about 12 days, accompanied by a humidity level of 90%. In contrast, November brings colder temperatures, with lows hitting -10°C (15°F) and an average of just 2°C (36°F). The maximum temperature in November reaches 12°C (54°F), while the total precipitation decreases slightly to 58 mm (2.3 in) over 10 days, with humidity rising to 94%. For more details on November weather in Tampere, check out Tampere weather in November.

In September, the weather in Tampere is generally mild, with temperatures ranging from a chilly -1°C (31°F) at night to a comfortable maximum of 23°C (73°F) during the day, averaging around 11°C (52°F). The month sees about 65 mm (2.6 in) of precipitation over 12 days, and the humidity is quite high at 90%.

In contrast, December brings much colder conditions, with temperatures plummeting to a minimum of -18°C (-1°F) and a daily maximum of only 5°C (42°F), leading to an average temperature of -2°C (29°F). Precipitation remains similar at 64 mm (2.5 in) but is spread over 13 days, and the humidity rises slightly to 95%. This stark contrast highlights the transition from the mild autumn weather of September to the harsh winter conditions in December. For more details, check out Tampere weather in December.

Compare Tampere's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Tampere

As September unfolds in Tampere, it marks a transition from the warmth of summer to the cooler embrace of autumn. The weather during this month features a max temperature that hints at lingering warmth, while the average dips significantly, reflecting the onset of fall. With an increase in precipitation over about half the month, the air becomes notably more humid, creating a cozy, if not slightly damp, atmosphere. Unlike the more stable conditions of summer, September's blend of mild temperatures and frequent rainfalls introduces a refreshing yet unpredictable charm, making it a unique time to experience the beauty of Tampere. For more on the city's seasonal trends, visit Tampere Climate.