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September Weather in Tammela, Finland

Last updated: August 23, 2025

In September, the average temperature in Tammela, Finland hovers around 11°C (52°F), with potential extremes ranging from a chilly -4°C (26°F) to a pleasant 24°C (75°F). Visitors can expect approximately 63 mm (2.5 in) of precipitation spread over 12 days, contributing to an average humidity of 90%. Plan accordingly to make the most of your stay!

September Temperature in Tammela

In September in Tammela, the average temperature is 11°C (52°F). The maximum can reach 24°C (75°F) and the minimum can be as low as -4°C (26°F). This variation in temperature makes it essential for travelers to pack layers to stay comfortable throughout the day.

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

The chart illustrates September temperature patterns in Tammela, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tammela, September typically has an average temperature of 11°C (52°F), with highs reaching up to 24°C (75°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec262429384961636052433629
Data source: Temperature data for Tammela 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 Tammela

In Tammela in September, the total precipitation amount reaches 63 mm (2.5 in) over the course of 12 days.

September Precipitation Trends in Tammela

The chart displays monthly precipitation patterns in Tammela, 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 Tammela, September typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec504547426064858463795366
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tammela

In Tammela in September, humidity is 90%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket that clings to your skin, making travel uncomfortable and muggy.

September Average Humidity in Tammela

This chart illustrates the average monthly humidity levels in Tammela, 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 Tammela is approximately 90%, 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 Tammela

In Tammela in September, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Tammela for better planning.

Maximum UV Index Levels in Tammela for September

The chart shows the monthly maximum UV Index (UVI) for Tammela 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 Tammela typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Tammela 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.

How September Weather in Tammela Compares to Other Months

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

This table compares monthly weather conditions in Tammela, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)50 mm (2.0 inches)97%low
February Weather-4°C (24°F)45 mm (1.8 inches)95%low
March Weather-1°C (30°F)47 mm (1.8 inches)93%moderate
April Weather3°C (38°F)42 mm (1.7 inches)86%moderate
May Weather10°C (50°F)60 mm (2.4 inches)75%moderate
June Weather16°C (61°F)64 mm (2.5 inches)75%high
July Weather17°C (63°F)85 mm (3.4 inches)80%high
August Weather16°C (61°F)84 mm (3.3 inches)83%moderate
September Weather11°C (52°F)63 mm (2.5 inches)90%moderate
October Weather6°C (43°F)79 mm (3.1 inches)93%low
November Weather2°C (36°F)53 mm (2.1 inches)94%low
December Weather-2°C (29°F)66 mm (2.6 inches)95%low

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