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September Weather in Alsunga, Latvia

Last updated: August 23, 2025

In September, the average temperature in Alsunga, Latvia hovers around 14°C (57°F), with a minimum dipping to -1°C (31°F) and a maximum soaring to 27°C (81°F). Expect some moisture, as precipitation averages 79 mm (3.1 in) across 13 days during the month, complemented by a high average humidity of 85%.

September Temperature in Alsunga

In September in Alsunga, the average temperature is 14°C (57°F). Maximum temperatures can reach 27°C (81°F), while minimums can dip as low as -1°C (31°F). This makes it a great time for travelers to experience a mix of warm days and cooler evenings, so be sure to pack accordingly!

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

The chart illustrates September temperature patterns in Alsunga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alsunga, September typically has an average temperature of 14°C (57°F), with highs reaching up to 27°C (81°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec333135435262646357494234
Data source: Temperature data for Alsunga 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 Alsunga

In Alsunga in September, the precipitation amount is 79 mm (3.1 in) over a span of 13 days.

September Precipitation Trends in Alsunga

The chart displays monthly precipitation patterns in Alsunga, 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 Alsunga, September typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec414451363352878579876554
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Alsunga

In Alsunga in September, humidity is 85%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making travel feel heavy and sluggish.

September Average Humidity in Alsunga

This chart illustrates the average monthly humidity levels in Alsunga, 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 Alsunga is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%89%87%77%79%79%81%85%89%90%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Alsunga

In Alsunga 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 Alsunga for better planning.

Maximum UV Index Levels in Alsunga for September

The chart shows the monthly maximum UV Index (UVI) for Alsunga 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 Alsunga typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567764211
Data source: Alsunga 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 Alsunga Compares to Other Months

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

This table compares monthly weather conditions in Alsunga, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)41 mm (1.6 inches)90%low
February Weather0°C (31°F)43 mm (1.7 inches)89%low
March Weather2°C (35°F)51 mm (2.0 inches)89%moderate
April Weather6°C (43°F)36 mm (1.4 inches)87%moderate
May Weather11°C (52°F)33 mm (1.3 inches)77%high
June Weather17°C (62°F)52 mm (2.0 inches)79%high
July Weather18°C (65°F)87 mm (3.4 inches)79%high
August Weather17°C (64°F)85 mm (3.3 inches)81%high
September Weather14°C (57°F)79 mm (3.1 inches)85%moderate
October Weather9°C (49°F)87 mm (3.4 inches)89%low
November Weather5°C (42°F)64 mm (2.5 inches)90%low
December Weather1°C (34°F)54 mm (2.1 inches)90%low

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