Visit the Garni Temple
The temple is unique in the former Soviet Union and built on a breathtaking location along the Azat river and the Gegham mountains.
Gyumri in September averages 21°C (70°F) during the day and 8°C (46°F) at night. This is part of the summer season. Some rainfall is to be expected.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Gyumri.
Pick a month to see the average temperature, rainfall and sunshine in Gyumri - and find the best time to visit.
45-year average (1976-2025)
Based on our historical records, temperatures in Gyumri typically drop from around 26°C (79°F) at the start of September to approximately 20°C (68°F) by the end. Nights are cool, with lows typically ranging from 5°C (41°F) to 12°C (54°F).
45-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 Gyumri spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 26 years of weather records for Gyumri, the following extremes were recorded between 1999 and 2025.
Find out more about the weather in Armenia and which places have the best travel conditions in this month. See all of Armenia 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).
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Pack a light rain jacket or compact umbrella for occasional showers. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Gyumri climate overview or explore weather in Armenia.
Where to go in September - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Visit the Garni Temple
The temple is unique in the former Soviet Union and built on a breathtaking location along the Azat river and the Gegham mountains.
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