September weather forecastOdessa, Ukraine

September
Weather in September
In September, the city starts to shake off the summer heat, and the first signs of autumn begin to show. The fall season arrives in its unobtrusive style in Odessa. Tourist crowds lessen, and a tranquil atmosphere retakes the city streets. The weather remains relatively warm although the sea temperature begins to decay, standing at 21.7°C (71.1°F). As September progresses, days become shorter and temperatures begin to drop, marking the beginning of the end of summer.Temperature
Transition from August to September in Odessa is accompanied by a temperature drop, with average high-temperatures decreasing from a moderately hot 26.5°C (79.7°F) to a pleasant 21°C (69.8°F). Odessa experiences an average temperature drop to a mild 13.5°C (56.3°F) during September nights.Humidity
The average relative humidity in September in Odessa is 72%.Rainfall
In September, the rain falls for 9 days. Throughout September, 41mm (1.61") of precipitation is accumulated. Throughout the year, in Odessa, there are 122 rainfall days, and 453mm (17.83") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Odessa.Sea temperature
In September, the average sea temperature is 21.7°C (71.1°F).Note: For most individuals, swimming in 21.7°C (71.1°F) is not a pleasant experience. The difficulty in managing breathing increases as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in September in Odessa is 12h and 33min.On the first day of September in Odessa, Ukraine, sunrise is at 06:17 and sunset at 19:36. On the last day of the month, sunrise is at 06:54 and sunset at 18:38 EEST.
Sunshine
In Odessa, the average sunshine in September is 8h.UV index
In Odessa, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 5 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Beware! Reflections from sand and water can intensify the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Odessa, Ukraine
- Average high temperature in September: 21°C
The warmest month (with the highest average high temperature) is July (27°C).
The month with the lowest average high temperature is January (2.2°C).
- Average low temperature in September: 13.5°C
The month with the highest average low temperature is July (18.5°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average humidity in September
Odessa, Ukraine
- Average humidity in September: 72%
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Odessa, Ukraine
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is June (49mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Odessa, Ukraine
- Average rainfall days in September: 9 days
The months with the highest number of rainy days are June and November (13 days).
The month with the least rainy days is February (7 days).
Average snowfall days in September
Odessa, Ukraine
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in September
Odessa, Ukraine
- Average sea temperature in September: 21.7°C
The best month for swimming (with the highest average sea temperature) is August (24.3°C).
The coldest month (with the lowest average sea temperature) is February (3.3°C).
Average daylight in September /
Average sunshine in September
Odessa, Ukraine
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average UV index in September
Odessa, Ukraine
- Average UV index in September: 5
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 1).





