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September Weather in Mustvee, Estonia

Last updated: August 23, 2025

In September, the average temperature in Mustvee, Estonia is a mild 13°C (55°F). Expect minimums dipping to 2°C (36°F) and highs reaching up to 24°C (75°F). During this time, the area experiences about 60 mm (2.4 in) of precipitation over approximately 12 days, accompanied by a high average humidity of 89%.

September Temperature in Mustvee

In September in Mustvee, the average temperature is 13°C (55°F). The maximum can reach 24°C (75°F), and the minimum can be as low as 2°C (36°F). Packing layers would be ideal for travelers, as you can experience both warm and cool temperatures throughout the day.

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

The chart illustrates September temperature patterns in Mustvee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mustvee, September typically has an average temperature of 13°C (55°F), with highs reaching up to 24°C (75°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec282732405263656355463830
Data source: Temperature data for Mustvee 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 Mustvee

In Mustvee in September, the precipitation amount is 60 mm (2.4 in) over a span of 12 days.

September Precipitation Trends in Mustvee

The chart displays monthly precipitation patterns in Mustvee, 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 Mustvee, September typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec394242455260597360695354
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mustvee

In Mustvee 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 Mustvee

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

In Mustvee 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 Mustvee for better planning.

Maximum UV Index Levels in Mustvee for September

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

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

This table compares monthly weather conditions in Mustvee, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)39 mm (1.5 inches)95%low
February Weather-3°C (27°F)42 mm (1.6 inches)93%low
March Weather0°C (32°F)42 mm (1.6 inches)90%moderate
April Weather5°C (41°F)45 mm (1.8 inches)87%moderate
May Weather11°C (52°F)52 mm (2.0 inches)73%moderate
June Weather17°C (63°F)60 mm (2.4 inches)77%high
July Weather18°C (65°F)59 mm (2.3 inches)80%high
August Weather17°C (63°F)73 mm (2.9 inches)84%high
September Weather13°C (55°F)60 mm (2.4 inches)89%moderate
October Weather8°C (46°F)69 mm (2.7 inches)92%low
November Weather3°C (38°F)53 mm (2.1 inches)93%low
December Weather-1°C (30°F)54 mm (2.1 inches)93%low

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