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Cluj-Napoca in September: Weather, Average temperature and Climate

Take a look at past year’s weather for Cluj-Napoca in September and see if it is worth visiting.
Check flight prices to Cluj-Napoca on Avionero:
September

Weather in Cluj-Napoca in September 2024

Good Weather
Mild
☁️
Cloudy
Are you considering a trip to Cluj-Napoca in September? Well, the weather is usually on your side with an average maximum temperature of +70°F and about 11 sunny days. Just keep in mind that there may be some rain, with an average of 7 rainy days and 61 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+70°F
Avg. max. temperature
+30°F
Min.
+93°F
Max.
61 mm
Total precipitation
75%
Avg. humidity
1 m/s
Avg. wind
11 ☀️
Sunny Days
12 ⛅️
Cloudy
7 🌦
Rainy
Our opinion: Cluj-Napoca has good weather in September.

Average temperature in Cluj-Napoca in September

Here are the expected maximum, average and minimum temperatures in Cluj-Napoca for September based on the historical data.
Last Year
Historical Data

Going from a maximum of +79°F during the day to a minimum of +39°F during the night, the temperature in September averages around +66°F.

The average maximum temperature goes down 9% by the end of the month, compared with the beginning of the month, from +77°F to +73°F.

Is Cluj-Napoca warm or cold in September?

Cluj-Napoca is typically mild in September.

Maximum temperatures go down compared to the previous month from +79°F to +70°F. The minimum temperature also goes down from +57°F to +48°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how September is compared to other months in Cluj-Napoca:

Climate in Cluj-Napoca in September

Cluj-Napoca weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+79°F+70°F+59°F
Min. temperature
+39°F+30°F+18°F
Max. temperature
+100°F+93°F+88°F
Rainfall
82 mm61 mm45 mm
Wind
1 m/s1 m/s1 m/s
Humidity
73%75%79%
Air pressure
1014 HPa1016 HPa1018 HPa
Sunny days
131110
Cloudy days
91216
Rainy days
975
Snowy days
000

September weather is still as good as in August. It’s getting colder in September. From +79°F in the day, the average maximum temperature lowers to +70°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 82 mm to 61 mm. Humidity rises from 73% to 75%. The average wind speed doesn’t change much during September, staying around 1 m/s. The days becoming less sunny, going from 13 sunny days in August to 11 in September.

Next month (October) brings a further decline in the weather.

Wind

Wind speed in Cluj-Napoca in September based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Cluj-Napoca is gradually decreasing during September, going from 2 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Cluj-Napoca based on historical data.
Last Year
Historical Data
Typically, there is a 70% chance of rain on an average day in September, with total rainfall of approximately 147 mm. The maximum amount of rainfall per day is around 26 mm, which is moderate rain. September is a pretty wet month with over 21 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Cluj-Napoca wettest month is June, where a typical day has a 40% chance of precipitation and 103 mm of rainfall per day. January, on the other hand, is the driest month with a mere 3% chance of precipitation and 9 mm of rainfall per day.

How was the weather last September in Cluj-Napoca?

This is the weather in Cluj-Napoca in September 2023:
1 September
🌧️
+77°F
2 September
🌧️
+60°F
3 September
🌧️
+66°F
4 September
☀️
+71°F
5 September
☀️
+75°F
6 September
☀️
+75°F
7 September
☀️
+70°F
8 September
☀️
+79°F
9 September
🌧️
+71°F
10 September
☀️
+75°F
11 September
☀️
+71°F
12 September
☀️
+66°F
13 September
☀️
+64°F
14 September
☀️
+70°F
15 September
☁️
+77°F
16 September
🌧️
+71°F
17 September
🌧️
+62°F
18 September
🌧️
+59°F
19 September
🌧️
+54°F
20 September
☁️
+55°F
21 September
☁️
+60°F
22 September
☁️
+59°F
23 September
☀️
+57°F
24 September
☀️
+59°F
25 September
☀️
+61°F
26 September
🌧️
+64°F
27 September
🌧️
+64°F
28 September
☀️
+66°F
29 September
☀️
+68°F
30 September
☀️
+73°F
In September 2023 Cluj-Napoca had 16 sunny days, 4 cloudy days, and 10 rainy days. The average maximum temperature was +66°F, with an absolute maximum of +79°F and a minimum of +54°F. The average humidity was 79%, with a maximum of 100% and a minimum of 38%. The average wind speed was 2 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

This is how Cluj-Napoca climate has changed over the last 43 years.

The climate in Cluj-Napoca in September has not changed that much over the last 43 years.

The average temperature was the lowest in 1996 (+62°F) and the highest in 2012 (+85°F). The driest year was 2009 with only 13 mm of rainfall, and the wettest year was 2022 with 156 mm.

FAQ

Frequently asked questions about the weather in Cluj-Napoca in September:

Is September a good time to visit Cluj-Napoca?

September is a really good time to go to Cluj-Napoca. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Cluj-Napoca.

Can you sunbathe in Cluj-Napoca in September?

September has mild temperatures in Cluj-Napoca. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Cluj-Napoca rainy in September?

Cluj-Napoca is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Cluj-Napoca in September?

The amount of sunny days in Cluj-Napoca during September varies; prepare for a mix of clouds and sun.

Other cities in Romania

Check out the weather for other cities in Romania.

Monthly weather in Cluj-Napoca

Source of the data

For this page, we’ve looked at the typical weather in Cluj-Napoca, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.