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September Weather in Viiratsi, Estonia

Last updated: August 23, 2025

In Viiratsi, Estonia, the average temperature in September hovers around 13°C (55°F). Expect a chilly minimum of -1°C (30°F) and a warm maximum of 26°C (78°F). Rain is also a consideration, with 73 mm (2.9 in) of precipitation spread across 13 days. The air tends to be quite moist, with an average humidity level of 89%.

September Temperature in Viiratsi

In September in Viiratsi, the average temperature is 13°C (55°F). Maximum temperatures can reach 26°C (78°F), while minimums can drop as low as -1°C (30°F). This variation makes it a great time for travelers to enjoy a mix of mild days and cooler evenings, perfect for exploring the outdoors.

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

The chart illustrates September temperature patterns in Viiratsi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Viiratsi, September typically has an average temperature of 13°C (55°F), with highs reaching up to 26°C (78°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec282732415262646255453830
Data source: Temperature data for Viiratsi 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 Viiratsi

In Viiratsi in September, the precipitation amount is 73 mm (2.9 in) over the course of 13 days.

September Precipitation Trends in Viiratsi

The chart displays monthly precipitation patterns in Viiratsi, 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 Viiratsi, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec384651505172789473795652
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Viiratsi

In Viiratsi in September humidity is 89%. With an average temperature of 13°C (55°F), this humidity feels like a thick, damp blanket enveloping you, making every step feel heavier and each breath a bit more laborious for traveling.

September Average Humidity in Viiratsi

This chart illustrates the average monthly humidity levels in Viiratsi, 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 Viiratsi is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%90%87%73%77%80%84%89%93%93%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Viiratsi

In Viiratsi 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 Viiratsi for better planning.

Maximum UV Index Levels in Viiratsi for September

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

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

This table compares monthly weather conditions in Viiratsi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)38 mm (1.5 inches)95%low
February Weather-3°C (27°F)46 mm (1.8 inches)93%low
March Weather0°C (32°F)51 mm (2.0 inches)90%moderate
April Weather5°C (42°F)50 mm (2.0 inches)87%moderate
May Weather11°C (52°F)51 mm (2.0 inches)73%moderate
June Weather17°C (62°F)72 mm (2.8 inches)77%high
July Weather18°C (64°F)78 mm (3.1 inches)80%high
August Weather17°C (62°F)94 mm (3.7 inches)84%high
September Weather13°C (55°F)73 mm (2.9 inches)89%moderate
October Weather7°C (46°F)79 mm (3.1 inches)92%low
November Weather3°C (38°F)56 mm (2.2 inches)93%low
December Weather-1°C (30°F)52 mm (2.0 inches)93%low

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