Tbilisi weather in September
Tbilisi in September averages 21°C (69°F) and 25 mm of rain.
Of the twelve months in Tbilisi, September is the fourth warmest and the third driest.

- Average temp
- 21°C (69°F)
15–27°C · 59–80°F
- Rainfall
- 25 mm
Not much rain
- Sunshine
- —
What is Tbilisi like in September?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Rain is usually light.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Tbilisi in September?
A layer for the evening
The day swings about 12°C between its low and its high.
Comfortable walking shoes you can rinse
Dry warm weather is walking weather, and dust gets into everything.
September compared with August and October
September in Tbilisi is 4.6°C cooler than August and about as wet as it, which averages 25°C (78°F).
September in Tbilisi is 5.8°C warmer than October and about as wet as it, which averages 15°C (59°F).
Daylight in Tbilisi in September
On 15 September the sun is up for 12 hours 29 minutes in Tbilisi, rising about 06:41 and setting about 19:09 local time.
September ends 1 hour 20 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 2 hours 43 minutes short of June, the longest-lit month here.
Where to stay in Tbilisi
Dates are a starting point for September.

Travel guides for Tbilisi
What to read before you book.
Tbilisi weather by month
TemperatureRainfall
How September compares with the rest of the year
September is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 3°C / 37°F | 15 mm |
| February | 3°C / 38°F | 23 mm |
| March | 8°C / 46°F | 35 mm |
| April | 13°C / 56°F | 45 mm |
| May | 18°C / 64°F | 49 mm |
| June | 23°C / 73°F | 74 mm |
| July | 26°C / 78°F | 34 mm |
| August | 25°C / 78°F | 34 mm |
| September | 21°C / 69°F | 25 mm |
| October | 15°C / 59°F | 34 mm |
| November | 8°C / 47°F | 26 mm |
| December | 4°C / 40°F | 30 mm |
Check another month
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FAQs about Tbilisi in September
September climate averages for Tbilisi, 1991–2020.
Tbilisi averages 21°C (69°F) in September, ranging from about 15°C (59°F) at night to 27°C (80°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Barely. September sees only about 25 mm, so rain is unlikely to affect your plans.
Yes. September averages 21°C (69°F) against 15°C (59°F) in October — 5.8°C warmer.
September is 4.6°C cooler than August, and about as wet.
Yes. September falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 29 minutes of daylight in mid-September, against 15 hours 12 minutes in June and 9 hours 10 minutes in December.
On 15 September, sunrise is about 06:41 and sunset about 19:09 local time. Both shift across the month — the month ends 1 hour 20 minutes shorter than it starts.

