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September Weather in Ilmatsalu, Estonia

Last updated: August 23, 2025

In September, the average temperature in Ilmatsalu, Estonia is a cool 12°C (55°F), with temperatures ranging from a chilly -1°C (30°F) to a warm 26°C (79°F). Expect 66 mm (2.6 in) of precipitation spread over roughly 12 days, contributing to an average humidity of 89%. Be prepared for a mix of weather as you explore this vibrant location!

September Temperature in Ilmatsalu

In September in Ilmatsalu, the average temperature is 12°C (55°F). Maximum temperatures can reach 26°C (79°F), while minimums can drop as low as -1°C (30°F). Overall, it's a great time for travelers to experience a mix of mild days and cooler evenings, perfect for exploring the area.

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

The chart illustrates September temperature patterns in Ilmatsalu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ilmatsalu, September typically has an average temperature of 12°C (55°F), with highs reaching up to 26°C (79°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec272632415162646254453729
Data source: Temperature data for Ilmatsalu 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 Ilmatsalu

In Ilmatsalu in September, the precipitation amount is 66 mm (2.6 in) over the course of 12 days.

September Precipitation Trends in Ilmatsalu

The chart displays monthly precipitation patterns in Ilmatsalu, 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 Ilmatsalu, September typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec384347525767728866775454
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ilmatsalu

In Ilmatsalu in September, humidity is 89%. With an average temperature of 12°C (55°F), this humidity feels like a damp chill that seeps into your bones, making it feel much colder than the thermometer suggests and potentially complicating your travel plans.

September Average Humidity in Ilmatsalu

This chart illustrates the average monthly humidity levels in Ilmatsalu, 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 Ilmatsalu 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 Ilmatsalu

In Ilmatsalu 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 Ilmatsalu for better planning.

Maximum UV Index Levels in Ilmatsalu for September

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

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

This table compares monthly weather conditions in Ilmatsalu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)38 mm (1.5 inches)95%low
February Weather-3°C (27°F)43 mm (1.7 inches)93%low
March Weather0°C (32°F)47 mm (1.9 inches)90%moderate
April Weather5°C (41°F)52 mm (2.0 inches)87%moderate
May Weather11°C (52°F)57 mm (2.2 inches)73%moderate
June Weather17°C (62°F)67 mm (2.6 inches)77%high
July Weather18°C (64°F)72 mm (2.8 inches)80%high
August Weather16°C (62°F)88 mm (3.4 inches)84%high
September Weather12°C (55°F)66 mm (2.6 inches)89%moderate
October Weather7°C (45°F)77 mm (3.0 inches)92%low
November Weather3°C (38°F)54 mm (2.1 inches)93%low
December Weather-2°C (30°F)54 mm (2.1 inches)93%low

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