September weather forecast
Cluj-Napoca, Romania

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.