September in Târgu Jiu brings high temperatures, with daytime highs of 23°C (73°F) and nights around 11°C (52°F). Quite a bit of rainfall is expected, around 73 mm (2.9 in), so pack an umbrella.
So this is a great month to visit if you prefer dry days with pleasant temperatures.
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Pick a month to see the average temperature, rainfall and sunshine in Târgu Jiu - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Târgu Jiu typically drop from around 26°C (79°F) at the start of September to approximately 21°C (70°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 13°C (55°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Târgu Jiu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in Târgu Jiu between 1976 and 2026, these are the recorded extremes during September.
Find out more about the weather in Romania and which places have the best travel conditions in this month. See all of Romania in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
For Târgu Jiu in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Târgu Jiu climate overview or explore weather in Romania.
Where to go in September - average daytime high across popular destinations.
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