Yerevan vs Tbilisi

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.

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

Yerevan reaches an average high of 26°C (79°F) and drops to 13°C (55°F) at night during September. The daily temperature range is 13°C, meaning significant temperature swings between day and night.

Tbilisi averages 24°C (75°F) for the high and 14°C (57°F) for the low, with a daily range of 10°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.

Yerevan receives approximately 10 mm of rainfall across 2 rain days during September. Rain is rare this month, so dry conditions are likely.

Tbilisi sees 53 mm over 9 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%.