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September Weather in Kaerdla, Estonia

Last updated: August 23, 2025

In September, the average temperature in Kaerdla, Estonia is a mild 14°C (57°F), with lows reaching 6°C (43°F) and highs climbing to 23°C (73°F). Expect 71 mm (2.8 in) of precipitation spread across 13 days, contributing to an average humidity level of 87%. Ideal conditions for exploring the lush landscapes!

September Temperature in Kaerdla

In September in Kaerdla, the average temperature is 14°C (57°F). The maximum can reach 23°C (73°F), while the minimum can drop to as low as 6°C (43°F). This mild climate makes Kaerdla an ideal destination for travelers seeking comfortable weather for outdoor activities.

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

The chart illustrates September temperature patterns in Kaerdla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kaerdla, September typically has an average temperature of 14°C (57°F), with highs reaching up to 23°C (73°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec333134404960646457494336
Data source: Temperature data for Kaerdla 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 Kaerdla

In Kaerdla in September, the total precipitation amount is 71 mm (2.8 in) occurring over the course of 13 days.

September Precipitation Trends in Kaerdla

The chart displays monthly precipitation patterns in Kaerdla, 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 Kaerdla, September typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec4446493138445686711076256
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kaerdla

In Kaerdla 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 Kaerdla

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

In Kaerdla 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 Kaerdla for better planning.

Maximum UV Index Levels in Kaerdla for September

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

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

This table compares monthly weather conditions in Kaerdla, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)44 mm (1.7 inches)92%low
February Weather-1°C (31°F)46 mm (1.8 inches)91%low
March Weather1°C (34°F)49 mm (1.9 inches)90%moderate
April Weather4°C (40°F)31 mm (1.2 inches)87%moderate
May Weather9°C (49°F)38 mm (1.5 inches)76%moderate
June Weather15°C (60°F)44 mm (1.7 inches)80%high
July Weather18°C (65°F)56 mm (2.2 inches)80%high
August Weather18°C (64°F)86 mm (3.4 inches)83%moderate
September Weather14°C (57°F)71 mm (2.8 inches)87%moderate
October Weather9°C (49°F)107 mm (4.2 inches)90%low
November Weather6°C (43°F)62 mm (2.4 inches)91%low
December Weather2°C (36°F)56 mm (2.2 inches)90%low

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