September Weather in Lastovo, Croatia

Last updated: August 23, 2025

In September, the average temperature in Lastovo, Croatia hovers around 23°C (73°F), offering a pleasant climate for outdoor activities. Expect a minimum of 15°C (59°F) and a comfortable maximum of 28°C (82°F). With an average precipitation of 66 mm (2.6 in) spread over 6 days, it's wise to carry an umbrella just in case! The air is tinged with an average humidity of 69%, creating a warm and inviting atmosphere.

September Temperature in Lastovo

In September in Lastovo, the average temperature is 23°C (73°F). The maximum can reach 28°C (82°F) and the minimum can be as low as 15°C (59°F). This pleasant climate makes it an ideal time to explore and enjoy outdoor activities in Lastovo.

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

The chart illustrates September temperature patterns in Lastovo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lastovo, September typically has an average temperature of 23°C (73°F), with highs reaching up to 28°C (82°F) and lows dropping to around 15°C (59°F).

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

September Precipitation in Lastovo

In Lastovo in September, the precipitation amount is 66 mm (2.6 in) over the course of 6 days.

September Precipitation Trends in Lastovo

The chart displays monthly precipitation patterns in Lastovo, 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 Lastovo, September typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 6 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 Lastovo

In Lastovo in September humidity is 69%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making it perfect for leisurely strolls but potentially uncomfortable during the peak hours of the day, so travelers should stay hydrated and seek shade when exploring.

September Average Humidity in Lastovo

This chart illustrates the average monthly humidity levels in Lastovo, 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 Lastovo is approximately 69%, 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 Lastovo

In Lastovo in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Lastovo.

Maximum UV Index Levels in Lastovo for September

The chart shows the monthly maximum UV Index (UVI) for Lastovo 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 Lastovo typically reaches 7, which falls under the high exposure category.

Data source: Lastovo 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 Lastovo Compares to Other Months

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

This table compares monthly weather conditions in Lastovo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	91 mm (3.6 inches)	83%	low
February Weather	12°C (53°F)	77 mm (3.0 inches)	76%	moderate
March Weather	12°C (54°F)	68 mm (2.7 inches)	73%	high
April Weather	14°C (58°F)	52 mm (2.0 inches)	75%	high
May Weather	18°C (65°F)	48 mm (1.9 inches)	78%	very high
June Weather	22°C (72°F)	21 mm (0.8 inches)	75%	very high
July Weather	24°C (76°F)	9 mm (0.4 inches)	71%	very high
August Weather	26°C (79°F)	20 mm (0.8 inches)	65%	very high
September Weather	23°C (73°F)	66 mm (2.6 inches)	69%	high
October Weather	19°C (67°F)	108 mm (4.3 inches)	76%	moderate
November Weather	16°C (62°F)	202 mm (8.0 inches)	81%	moderate
December Weather	13°C (55°F)	191 mm (7.5 inches)	81%	low