September in Gura Humorului typically sees daytime highs of 20°C (68°F) and nighttime lows of 8°C (46°F). Rainfall is also possible this month, so it's worth packing an umbrella.
If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Gura Humorului.
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Pick a month to see the average temperature, rainfall and sunshine in Gura Humorului - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Gura Humorului typically drop from around 20°C (68°F) at the start of September to approximately 16°C (61°F) by the end. Nights are cold, with lows typically ranging from 5°C (41°F) to 10°C (50°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 Gura Humorului spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Our historical data for Gura Humorului spans 1976 to 2026, revealing these weather extremes.
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).
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Gura Humorului climate overview or explore weather in Romania.
Where to go in September - average daytime high across popular destinations.
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