Tbilisi vs Yerevan

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Yerevan edges ahead as the better destination in September. Yerevan offers 11 hours of daily sunshine with only 2 rain days, while Tbilisi sees 10 sunshine hours and 9 rain days.

Tbilisi sits in the comfortable travel range at 24°C. Yerevan is also comfortable at 26°C.

For travelers who prioritize dry weather, Yerevan is the stronger choice in September. Yerevan receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Tbilisi reaches an average high of 24°C (75°F) and drops to 14°C (57°F) at night during September. The daily temperature range is 10°C, meaning moderate variation throughout the day.

Yerevan averages 26°C (79°F) for the high and 13°C (55°F) for the low, with a daily range of 13°C. The 2°C difference is noticeable but not dramatic.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.

Tbilisi receives approximately 53 mm of rainfall across 9 rain days during September. You can expect rain roughly every other day.

Yerevan sees 10 mm over 2 rain days. That makes Yerevan the drier option by 7 rain days and 43 mm of total precipitation.

Both cities share similar humidity levels at 65%.