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Average weather for Nova Gorica in September

It's warm in September in Nova Gorica with an average temperature of 25°C. Temperatures this month range from a low of 21°C to a high of 27°C. At night, you can expect temperatures between 11°C and 16°C.

Daily Temperature in September in Nova Gorica

Start of September

The month of September starts in Nova Gorica with hot temps, averaging around 27°C during the day and nights around 15°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.

With the temperature difference between day and night, it’s smart to wear layers.

Mid September

By mid-September, daytime temps drop to around 26°C, with nights around 15°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

Since it cools down at night, it’s a good idea to wear layers.

End of September

By the end of September, the average daytime temperature in Nova Gorica is around 23°C, while nighttime temps are about 12°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

In September, there is an average of 129 mm of precipitation, spread over 10 days. The wind speed is around 3 Bft, mostly coming from the East.

Nova Gorica in September

New York
Temperature Average temperature
25°C 27°C
Sun Max. temperature
27°C 31°C
Sun Min. temperature
21°C -5°C
Rain Total precipitation
129 mm 57 mm
Rain Rainy days
10 days 9 days

UV index

The UV index is a maximum of 7 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.

Is September a good time to visit Nova Gorica?

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

Temperature records

With 32°C in 2019, Nova Gorica reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 12°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 22°C.

Check out the climate of Nova Gorica 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.

Daily Temperature in September in Nova Gorica

This chart shows the average daily high and low temperatures in September for Nova Gorica, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in September in Nova Gorica

Daily Precipitation in September in Nova Gorica

The chart below shows the average daily precipitation in September for Nova Gorica, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 10 days of precipitation in Nova Gorica.

Daily Precipitation in September in Nova Gorica

Daily UV index in September in Nova Gorica

This chart shows the average daily UV index in September in Nova Gorica, 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.

Daily UV Index in September in Nova Gorica

Temperature in September in Nova Gorica over the years

This chart shows the average temperature in September in Nova Gorica, measured in degrees Celsius, over the past few years.

Temperature in September in Nova Gorica Over the Years

Total precipitation in September in Nova Gorica over the years

This chart shows the average precipitation in September in Nova Gorica, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in September in Nova Gorica over the years

Daily weather in September for Nova Gorica

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

Weather experiences in September in Nova Gorica

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Average weather in Nova Gorica by month

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


Or check out the climate of Nova Gorica for all months at once

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