September weather forecast
Cluj-Napoca, Romania

englishespañol中文
Share

Weather in September

September sees transitions in Cluj-Napoca's weather, ushering in fall with cooler temperatures. Sunshine hours gradually decline from the summer's peak, synchronizing with the shorter length of the day. Despite being the end of summer, the UV index of 5 still demands sun protection during mid-day. Rainfall slightly decreases to 36mm (1.42") over six days, returning to springtime levels as if to bookend the summer. Outdoor activities in September can be a pleasant experience as Romania showcases its beautiful autumn foliage.

Temperature

September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a warm 24.3°C (75.7°F) in August to a pleasant 20.7°C (69.3°F). In September, Cluj-Napoca's temperature tends to fall to an average low of 8.9°C (48°F) during the night.

Rainfall

In Cluj-Napoca, during September, the rain falls for 6 days and regularly aggregates up to 36mm (1.42") of precipitation. In Cluj-Napoca, during the entire year, the rain falls for 91 days and collects up to 548mm (21.57") of precipitation.

Snowfall

May through September are months without snowfall in Cluj-Napoca.

Daylight

In September, the average length of the day is 12h and 33min.
On the first day of September, sunrise is at 06:45 and sunset at 20:04. On the last day of the month, sunrise is at 07:23 and sunset at 19:07 EEST.

Sunshine

The average sunshine in September is 6.8h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 5 in September translates into this advice:
Take necessary precautions - Defending against sun damage is advocated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

What are the temperatures in Cluj-Napoca in September?

Cluj-Napoca in September has an average high-temperature of 20.7°C (69.3°F) and an average low-temperature of 8.9°C (48°F).

How much does it rain in Cluj-Napoca in September?

In Cluj-Napoca, Romania, in September, it is raining for 6 days, with typically 36mm (1.42") of accumulated precipitation.

When it does not snow in Cluj-Napoca?

May through September are months without snowfall.

Does it snow in Cluj-Napoca in September?

In Cluj-Napoca, Romania, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Cluj-Napoca?

In Cluj-Napoca, the average day length in September is 12h and 33min.

What time are sunrise and sunset in September in Cluj-Napoca?

In September, on the first day of the month, sunrise is at 06:45 and sunset at 20:04. On the last day of the month, in Cluj-Napoca, sunrise is at 07:23 and sunset at 19:07 EEST.

How many hours of sunshine does Cluj-Napoca have in September?

In September, the average sunshine duration in Cluj-Napoca is 6.8h.

What is the UV index reading in September in Cluj-Napoca?

The average daily maximum UV index in September in Cluj-Napoca is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average rainfall days
Average snowfall
Average daylight
Average sunshine
Average UV index

Average temperature in September
Cluj-Napoca, Romania

Average temperature in September - Cluj-Napoca, Romania
  • Average high temperature in September: 20.7°C

The warmest month (with the highest average high temperature) is July (24.5°C).
The month with the lowest average high temperature is January (0.3°C).

  • Average low temperature in September: 8.9°C

The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).

Average rainfall in September
Cluj-Napoca, Romania

Average rainfall in September - Cluj-Napoca, Romania
  • Average rainfall in September: 36mm

The wettest month (with the highest rainfall) is June (95mm).
The driest month (with the least rainfall) is February (20mm).

Average rainfall days in September
Cluj-Napoca, Romania

Average rainfall days in September - Cluj-Napoca, Romania
  • Average rainfall days in September: 6 days

The months with the highest number of rainy days are May and June (11 days).
The months with the least rainy days are February and March (5 days).

Average snowfall in September
Cluj-Napoca, Romania

Average snowfall in September - Cluj-Napoca, Romania
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (115mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average daylight in September /
Average sunshine in September
Cluj-Napoca, Romania

Average daylight in September / Average sunshine in September - Cluj-Napoca, Romania
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 6h and 5min

The month with the most sunshine is July (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).

Average UV index in September
Cluj-Napoca, Romania

Average UV index in September - Cluj-Napoca, Romania
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 1).

Cluj-Napoca, Romania

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location