Tbilisi City Weather in September

September in Tbilisi City typically sees daytime highs of 25°C (77°F) and nighttime lows of 13°C (55°F). Expect some rainfall during the month.

Rainfall in Tbilisi City in September

Expect around 9 days of rain based on historical data, with 53 mm (2.1 in) average. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Tbilisi City in September

September is one of the better months to visit Tbilisi City. Expect 25°C (77°F) during the day and 13°C (55°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 13°C (55°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Tbilisi City in September

The city usually sees around 206 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Wind Speed in Tbilisi City in September

Wind speeds average 3 m/s (6 knots) during September. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Tbilisi City.

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For a detailed overview over the year and the best time to visit Georgia, check out our Tbilisi City's climate page.

Tbilisi City Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 29%  

Precipitation 53 mm (2.1 in)  

Rainy days 9 days  

Humidity 66% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 206 hours *  

Percentage Sunshine *  

* Data from: Tiflis, Georgia (14 KM, 8 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Tbilisi City typically drop from around 29°C (84°F) at the start of September to approximately 23°C (73°F) by the end. Nights are pleasant, with lows typically ranging from 12°C (54°F) to 18°C (64°F).

Average temperatures in September

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

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Historical weather for Tbilisi City in September

Browse day-by-day weather records for Tbilisi City spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Tbilisi City historical weather extremes in September

Based on 49 years of weather observations in Tbilisi City between 1976 and 2025, these are the recorded extremes.

• The hottest September day on record in Tbilisi City reached 38°C (100°F) (September 2, 2022).
• On September 30, 1977, Tbilisi City saw its coldest September day with temperatures maxing out at 10°C (50°F).
• The coldest night in September in Tbilisi City was on September 23, 2019, with a minimum of 3°C (37°F).

What to Wear in Tbilisi City in September

For Tbilisi City 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Tbilisi City in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

8/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Georgia, check out our Tbilisi City's climate page.

More climate data for Tbilisi City

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Tbilisi City climate overview or explore weather in Georgia.