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September Weather in Tostamaa, Estonia

Last updated: August 23, 2025

In September, the average temperature in Tostamaa, Estonia is a pleasant 14°C (57°F). Visitors can expect a temperature range from a crisp 1°C (34°F) to a warm 25°C (77°F). This month also sees 83 mm (3.3 in) of precipitation over about 14 days, all while maintaining an average humidity of 87%. Be sure to pack accordingly for your trip!

September Temperature in Tostamaa

In September in Tostamaa, the average temperature is 14°C (57°F). Maximums can reach 25°C (77°F), while minimums can dip as low as 1°C (34°F). This makes Tostamaa a comfortable destination for travelers looking to enjoy mild weather and explore its attractions.

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

The chart illustrates September temperature patterns in Tostamaa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tostamaa, September typically has an average temperature of 14°C (57°F), with highs reaching up to 25°C (77°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec312933415162656456484133
Data source: Temperature data for Tostamaa 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 Tostamaa

In Tostamaa in September, the precipitation amount is 83 mm (3.3 in) spread over a period of 14 days.

September Precipitation Trends in Tostamaa

The chart displays monthly precipitation patterns in Tostamaa, 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 Tostamaa, September typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec4547543837558087831017461
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tostamaa

In Tostamaa in September humidity is 87%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making every breath feel heavy and sticky, which can be quite challenging for travelers exploring the city.

September Average Humidity in Tostamaa

This chart illustrates the average monthly humidity levels in Tostamaa, 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 Tostamaa is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%90%87%76%80%80%83%87%90%91%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tostamaa

In Tostamaa 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 Tostamaa for better planning.

Maximum UV Index Levels in Tostamaa for September

The chart shows the monthly maximum UV Index (UVI) for Tostamaa 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 Tostamaa typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457764211
Data source: Tostamaa 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 Tostamaa Compares to Other Months

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

This table compares monthly weather conditions in Tostamaa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)45 mm (1.8 inches)92%low
February Weather-2°C (29°F)47 mm (1.8 inches)91%low
March Weather1°C (33°F)54 mm (2.1 inches)90%moderate
April Weather5°C (42°F)38 mm (1.5 inches)87%moderate
May Weather11°C (52°F)37 mm (1.5 inches)76%moderate
June Weather17°C (62°F)55 mm (2.2 inches)80%high
July Weather18°C (66°F)80 mm (3.1 inches)80%high
August Weather18°C (64°F)87 mm (3.4 inches)83%high
September Weather14°C (57°F)83 mm (3.3 inches)87%moderate
October Weather9°C (48°F)101 mm (4.0 inches)90%low
November Weather5°C (41°F)74 mm (2.9 inches)91%low
December Weather1°C (34°F)61 mm (2.4 inches)90%low

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