September Weather in Bolnisi, Georgia

Last updated: August 23, 2025

The average temperature in Bolnisi, Georgia during September is a pleasant 18°C (65°F). Expect a range with minimums dipping to 4°C (39°F) and maximums soaring up to 32°C (89°F). During this month, anticipate about 37 mm (1.5 in) of precipitation spread over 8 days, coupled with an average humidity of 67% for a fairly comfortable experience.

September Temperature in Bolnisi

In September in Bolnisi, the average temperature is 18°C (65°F). Maximums can reach 32°C (89°F), while minimums can drop as low as 4°C (39°F). This wide temperature range makes Bolnisi an ideal destination for travelers who enjoy both warm days and cooler evenings.

September Weather in Bolnisi: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Bolnisi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bolnisi, September typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (89°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec333540505969747365534235
Data source: Temperature data for Bolnisi generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Bolnisi

In Bolnisi in September, the total precipitation amount is 37 mm (1.5 in) over a span of 8 days.

September Precipitation Trends in Bolnisi

The chart displays monthly precipitation patterns in Bolnisi, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Bolnisi, September typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec253484869740292337685742
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Bolnisi

In Bolnisi in September humidity is 67%. With an average temperature of 18°C (65°F), this humidity feels like a mild blanket wrapping around you, making outdoor activities feel pleasantly refreshing, yet you may find yourself reaching for a drink more often to stay hydrated while exploring the sights.

September Average Humidity in Bolnisi

This chart illustrates the average monthly humidity levels in Bolnisi, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Bolnisi is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%88%85%81%78%79%80%66%67%81%84%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bolnisi

In Bolnisi in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Bolnisi.

Maximum UV Index Levels in Bolnisi for September

The chart shows the monthly maximum UV Index (UVI) for Bolnisi in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Bolnisi typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec348810111198643
Data source: Bolnisi September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Bolnisi Compares to Other Months

Weather in Bolnisi varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bolnisi, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Bolnisi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)25 mm (1.0 inches)87%moderate
February Weather2°C (36°F)34 mm (1.4 inches)88%moderate
March Weather5°C (41°F)84 mm (3.3 inches)85%very high
April Weather10°C (50°F)86 mm (3.4 inches)80%very high
May Weather15°C (59°F)97 mm (3.8 inches)78%very high
June Weather20°C (69°F)40 mm (1.6 inches)79%extreme
July Weather23°C (74°F)29 mm (1.2 inches)80%extreme
August Weather23°C (73°F)23 mm (0.9 inches)66%very high
September Weather18°C (65°F)37 mm (1.5 inches)67%very high
October Weather12°C (53°F)68 mm (2.7 inches)81%high
November Weather5°C (42°F)57 mm (2.2 inches)84%moderate
December Weather2°C (36°F)42 mm (1.6 inches)85%moderate

Compare Bolnisi's Climate with Cities Worldwide