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September Weather in Preili, Latvia

Last updated: August 23, 2025

In Preili, Latvia, the average temperature in September hovers around 13°C (55°F). Expect a brisk chill with minimum temperatures dipping to -2°C (29°F), while the mercury can rise to a maximum of 27°C (80°F). Be prepared for some wet days, as precipitation averages 64 mm (2.5 in) over 11 days, accompanied by high humidity levels of 88%.

September Temperature in Preili

In September in Preili, the average temperature is 13°C (55°F). Maximum temperatures can reach 27°C (80°F), while minimum temperatures can drop to as low as -2°C (29°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travels.

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

The chart illustrates September temperature patterns in Preili, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Preili, September typically has an average temperature of 13°C (55°F), with highs reaching up to 27°C (80°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec272734435364646355463830
Data source: Temperature data for Preili 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 Preili

In Preili in September, the total precipitation amount is 64 mm (2.5 in) spread over 11 days.

September Precipitation Trends in Preili

The chart displays monthly precipitation patterns in Preili, 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 Preili, September typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4440524172638311564705860
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Preili

In Preili in September humidity is 88%. With an average temperature of 13°C (55°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while exploring, as the moisture in the air can lead to a rather uncomfortable experience for traveling.

September Average Humidity in Preili

This chart illustrates the average monthly humidity levels in Preili, 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 Preili is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%87%70%77%78%81%88%92%93%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Preili

In Preili 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 Preili for better planning.

Maximum UV Index Levels in Preili for September

The chart shows the monthly maximum UV Index (UVI) for Preili 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 Preili typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567764321
Data source: Preili 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 Preili Compares to Other Months

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

This table compares monthly weather conditions in Preili, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)44 mm (1.7 inches)94%low
February Weather-3°C (27°F)40 mm (1.6 inches)92%low
March Weather1°C (34°F)52 mm (2.0 inches)89%moderate
April Weather6°C (43°F)41 mm (1.6 inches)87%moderate
May Weather12°C (53°F)72 mm (2.8 inches)70%high
June Weather18°C (64°F)63 mm (2.5 inches)77%high
July Weather18°C (65°F)83 mm (3.3 inches)78%high
August Weather17°C (63°F)115 mm (4.5 inches)81%high
September Weather13°C (55°F)64 mm (2.5 inches)88%moderate
October Weather8°C (46°F)70 mm (2.8 inches)92%moderate
November Weather3°C (38°F)58 mm (2.3 inches)93%low
December Weather-1°C (30°F)60 mm (2.4 inches)93%low

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