Weather in Odessa in September 2025
Average weather
Average temperature in Odessa in September
Going from a maximum of +29°C during the day to a minimum of +11°C during the night, the temperature in September averages around +26°C.
The average maximum temperature goes down 17% by the end of the month, compared with the beginning of the month, from +29°C to +26°C.
Is Odessa warm or cold in September?
Odessa is typically mild in September.
Maximum temperatures go down compared to the previous month from +27°C to +21°C. The minimum temperature also goes down from +19°C to +14°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how September is compared to other months in Odessa:
Water temperature in Odessa in September
Water in Odessa in September is Comfortable. It varies from +20°C to +23°C, with an average of +21°C. Note that the air temperature is lower than the water temperature, averaging around +21°C.
The water temperature in September is one of the warmest of the entire year:
Can you swim in Odessa in September?
Climate in Odessa in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +27°C | +21°C | +15°C | ||||
| Min. temperature | ||||||
| +10°C | +5°C | -2°C | ||||
| Max. temperature | ||||||
| +44°C | +33°C | +27°C | ||||
| Rainfall | ||||||
| 25 mm | 27 mm | 28 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +24°C | +21°C | +17°C | ||||
| Humidity | ||||||
| 61% | 68% | 76% | ||||
| Air pressure | ||||||
| 1013 HPa | 1015 HPa | 1019 HPa | ||||
| Sunny days | ||||||
| 18 | 14 | 9 | ||||
| Cloudy days | ||||||
| 4 | 7 | 14 | ||||
| Rainy days | ||||||
| 5 | 7 | 8 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September typically has worse weather conditions compared to August. It’s getting colder in September. From +27°C in the day, the average maximum temperature lowers to +21°C. Prepare for more rain. Average rainfall goes from 25 mm to 27 mm. Humidity rises from 61% to 68%. The average wind speed doesn’t change much during September, staying around 3 m/s. The days becoming less sunny, going from 18 sunny days in August to 14 in September.
Next month (October) brings a further decline in the weather.
Wind
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Odessa is gradually decreasing during September, going from 4 m/s to 3 m/s over the course of the month.
Rain
How was the weather last September in Odessa?
Climate Change over Years
The climate in Odessa in September has not changed much over the last 43 years.
The average temperature was the lowest in 1987 (+11°C) and the highest in 2023 (+17°C). The driest year was 1983 with only 108 mm of rainfall, and the wettest year was 2016 with 498 mm.
FAQ
Is September a good time to visit Odessa?
Can you sunbathe in Odessa in September?
Can you swim in Odessa in September?
Is Odessa rainy in September?
Is it sunny in Odessa in September?
Other cities in Ukraine
Monthly weather in Odessa
Source of the data
For this page, we’ve looked at the typical weather in Odessa, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.