The weather in September in Hrastnik

It's pleasantly warm in September in Hrastnik with an average temperature of 21°C. Temperatures this month range from a low of 17°C to a high of 24°C. At night, you can expect temperatures between 8°C and 14°C.

Looking for sun? September isn’t a good month to be in Hrastnik. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Hrastnik, Slovenia. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 31°C in 2015, Hrastnik reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 10°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 0°C to a highest value of 19°C.

Rainfall amount

In September, there is an average of 121 mm of precipitation, spread over 15 days. The wind speed is around 3 Bft, mostly coming from the Southeast.

Daily weather in September for Hrastnik

Click on any day in September to get detailed info about the usual weather on that day in Hrastnik. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Hrastnik New York
Average temperature 21°C 27°C
Max. temperature 24°C 31°C
Min. temperature 8°C -5°C
Total precipitation 121 mm 57 mm
Rainy days 15 days 9 days

Start of September

The month of September starts in Hrastnik with warm temps, averaging around 23°C during the day and nights around 13°C.

Mid September

By mid-September, daytime temps stay steady at around 23°C, with nights around 13°C. There’s a high chance of precipitation during this time.

End of September

By the end of September, the average daytime temperature in Hrastnik is around 19°C, while nighttime temps are about 10°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

UV index

The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of Hrastnik for all months and discover the best travel time

Curious about the weather in other parts of Slovenia? Check out the climate and weather for spots like Ljubljana, Bled, Bohinj, or explore other destinations in Slovenia.

Temperature charts

These charts show the average temperatures in September in Hrastnik, Slovenia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Hrastnik

Temperature in September in Hrastnik over the years

Precipitation charts

These charts show the average amount of precipitation in September in Hrastnik, Slovenia. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Hrastnik

Total precipitation in September in Hrastnik over the years

Daily UV index in September in Hrastnik

This chart shows the average daily UV index in September in Hrastnik, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Hrastnik

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Average weather in Hrastnik by month

Click on a month below to see detailed weather info for Hrastnik. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.