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September Weather in Granica, Poland

Last updated: August 27, 2025

The average temperature in Granica, Poland during September is a mild 15°C (59°F). Expect temperatures to range from a cool 2°C (36°F) to a warm 31°C (88°F). Rainfall during this month averages 79 mm (3.1 in) over 13 days, contributing to an overall humidity level of 71%. Plan your activities accordingly to make the most of this varied weather!

September Temperature in Granica

In September in Granica, the average temperature is 15°C (59°F). Maximum temperatures can reach 31°C (88°F), while the minimum can drop to as low as 2°C (36°F). It's a great time to visit for those who enjoy mild weather with the possibility of warmer days, but be sure to pack layers for the cooler evenings.

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

The chart illustrates September temperature patterns in Granica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Granica, September typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (88°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec323339485767686759514235
Data source: Temperature data for Granica 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 Granica

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

September Precipitation Trends in Granica

The chart displays monthly precipitation patterns in Granica, 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 Granica, September typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec414440358165749079693249
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Granica

In Granica in September humidity is 71%. With an average temperature of 15°C (59°F), this humidity feels like a damp embrace, making outdoor activities slightly uncomfortable and encouraging travelers to seek shade or indoor attractions to escape the muggy air.

September Average Humidity in Granica

This chart illustrates the average monthly humidity levels in Granica, 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 Granica is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%87%76%58%56%59%60%71%86%90%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Granica

In Granica in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Granica.

Maximum UV Index Levels in Granica for September

The chart shows the monthly maximum UV Index (UVI) for Granica 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 Granica typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568875321
Data source: Granica 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 Granica Compares to Other Months

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

This table compares monthly weather conditions in Granica, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)41 mm (1.6 inches)92%low
February Weather1°C (34°F)44 mm (1.7 inches)90%low
March Weather4°C (39°F)40 mm (1.6 inches)87%moderate
April Weather9°C (48°F)35 mm (1.4 inches)76%moderate
May Weather14°C (57°F)81 mm (3.2 inches)58%high
June Weather20°C (68°F)65 mm (2.6 inches)56%very high
July Weather20°C (68°F)74 mm (2.9 inches)59%very high
August Weather20°C (68°F)90 mm (3.6 inches)60%high
September Weather15°C (59°F)79 mm (3.1 inches)71%moderate
October Weather10°C (51°F)69 mm (2.7 inches)86%moderate
November Weather5°C (42°F)32 mm (1.3 inches)90%low
December Weather2°C (35°F)49 mm (1.9 inches)93%low

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