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September Weather in Karsava, Latvia

Last updated: August 23, 2025

In September, the average temperature in Karsava, Latvia hovers around 12°C (55°F). While you might experience chilly lows of -2°C (29°F), occasional warmth can bring highs of up to 27°C (80°F). Expect about 56 mm (2.2 in) of precipitation over approximately 10 days, with humidity averaging a notable 89%, making for a pleasantly moist climate.

September Temperature in Karsava

In September in Karsava, the average temperature is 12°C (55°F). The maximum can reach 27°C (80°F) and the minimum can be as low as -2°C (29°F). This temperature range makes Karsava a great destination for travelers seeking a mix of mild days and cool nights.

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

The chart illustrates September temperature patterns in Karsava, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Karsava, September typically has an average temperature of 12°C (55°F), with highs reaching up to 27°C (80°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec272733435363646254453729
Data source: Temperature data for Karsava 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 Karsava

In Karsava in September, the precipitation amount is 56 mm (2.2 in) over the course of 10 days.

September Precipitation Trends in Karsava

The chart displays monthly precipitation patterns in Karsava, 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 Karsava, September typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec4139494276617911256675856
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Karsava

In Karsava 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 Karsava

This chart illustrates the average monthly humidity levels in Karsava, 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 Karsava is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%93%90%86%69%78%79%83%89%93%94%94%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Karsava

In Karsava 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 Karsava for better planning.

Maximum UV Index Levels in Karsava for September

The chart shows the monthly maximum UV Index (UVI) for Karsava 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 Karsava typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567764311
Data source: Karsava 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 Karsava Compares to Other Months

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

This table compares monthly weather conditions in Karsava, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)41 mm (1.6 inches)94%low
February Weather-3°C (27°F)39 mm (1.5 inches)93%low
March Weather1°C (33°F)49 mm (1.9 inches)89%moderate
April Weather6°C (43°F)42 mm (1.6 inches)86%moderate
May Weather11°C (53°F)76 mm (3.0 inches)69%high
June Weather17°C (63°F)61 mm (2.4 inches)78%high
July Weather18°C (64°F)79 mm (3.1 inches)79%high
August Weather17°C (62°F)112 mm (4.4 inches)83%high
September Weather12°C (55°F)56 mm (2.2 inches)89%moderate
October Weather7°C (46°F)67 mm (2.6 inches)93%moderate
November Weather3°C (38°F)57 mm (2.3 inches)94%low
December Weather-1°C (30°F)56 mm (2.2 inches)94%low

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