September Weather in Kupiskis, Lithuania

Last updated: August 23, 2025

In September, the average temperature in Kupiskis, Lithuania hovers around 13°C (56°F), making it a moderate time of year. Expect a chilly minimum of -2°C (28°F), while the mercury can rise as high as 27°C (82°F) on warmer days. With 67 mm (2.6 in) of precipitation spread over about 11 days, it’s wise to be prepared for some showers. The air is notably humid, with an average humidity level of 83%, adding to the overall atmospheric experience.

September Temperature in Kupiskis

In September in Kupiskis, the average temperature is 13°C (56°F). The maximum can reach 27°C (82°F), and the minimum can be as low as -2°C (28°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and chilly conditions.

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

The chart illustrates September temperature patterns in Kupiskis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kupiskis, September typically has an average temperature of 13°C (56°F), with highs reaching up to 27°C (82°F) and lows dropping to around -2°C (28°F).

Data source: Temperature data for Kupiskis generated using information from the Copernicus Climate Change Service.

September Precipitation in Kupiskis

In Kupiskis in September, the total precipitation amount is 67 mm (2.6 in) over the course of 11 days.

September Precipitation Trends in Kupiskis

The chart displays monthly precipitation patterns in Kupiskis, 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 Kupiskis, September typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Kupiskis

In Kupiskis in September humidity is 83%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable as the air feels heavy and the moisture clings to your skin.

September Average Humidity in Kupiskis

This chart illustrates the average monthly humidity levels in Kupiskis, 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 Kupiskis is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kupiskis

In Kupiskis 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 Kupiskis.

Maximum UV Index Levels in Kupiskis for September

The chart shows the monthly maximum UV Index (UVI) for Kupiskis 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 Kupiskis typically reaches 5, which falls under the moderate exposure category.

Data source: Kupiskis 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 Kupiskis Compares to Other Months

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

This table compares monthly weather conditions in Kupiskis, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	50 mm (2.0 inches)	94%	low
February Weather	-2°C (29°F)	39 mm (1.5 inches)	92%	low
March Weather	2°C (35°F)	45 mm (1.8 inches)	90%	moderate
April Weather	7°C (44°F)	40 mm (1.6 inches)	86%	moderate
May Weather	12°C (54°F)	66 mm (2.6 inches)	72%	high
June Weather	18°C (65°F)	54 mm (2.1 inches)	74%	high
July Weather	18°C (65°F)	96 mm (3.8 inches)	76%	high
August Weather	18°C (64°F)	93 mm (3.7 inches)	74%	high
September Weather	13°C (56°F)	67 mm (2.6 inches)	83%	moderate
October Weather	8°C (48°F)	67 mm (2.6 inches)	91%	moderate
November Weather	4°C (40°F)	57 mm (2.3 inches)	93%	low
December Weather	-1°C (31°F)	59 mm (2.3 inches)	95%	low