Weather in Kaliningrad in September 2025
Average weather
Average temperature in Kaliningrad in September
The temperature in September is +23°C on average, with a range between a maximum of +29°C during the day and a minimum of +7°C at night.
The average maximum temperature goes up 5% by the end of the month, compared with the beginning of the month, from +17°C to +18°C.
Is Kaliningrad warm or cold in September?
Kaliningrad is typically mild in September.
Maximum temperatures go down compared to the previous month from +22°C to +18°C. The minimum temperature also goes down from +13°C to +10°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 Kaliningrad:
Water temperature in Kaliningrad in September
Water in Kaliningrad in September is Fresh. It varies from +14°C to +20°C, with an average of +17°C. This is almost similar to the air temperature, which averages +18°C.
The water temperature in September is one of the warmest of the entire year:
Can you swim in Kaliningrad in September?
Climate in Kaliningrad in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +22°C | +18°C | +12°C | ||||
| Min. temperature | ||||||
| +6°C | 0°C | -5°C | ||||
| Max. temperature | ||||||
| +36°C | +31°C | +24°C | ||||
| Rainfall | ||||||
| 84 mm | 62 mm | 58 mm | ||||
| Wind | ||||||
| 2 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +19°C | +17°C | +13°C | ||||
| Humidity | ||||||
| 78% | 81% | 84% | ||||
| Air pressure | ||||||
| 1013 HPa | 1014 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 3 | 3 | 2 | ||||
| Cloudy days | ||||||
| 8 | 9 | 12 | ||||
| Rainy days | ||||||
| 20 | 18 | 16 | ||||
| Snowy days | ||||||
| 0 | 0 | 1 | ||||
September weather is still as ok as in August. It’s getting colder in September. From +22°C in the day, the average maximum temperature lowers to +18°C. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 84 mm to 62 mm. Humidity rises from 78% to 81%. Winds are stronger in comparison to August, going up from 2 m/s to 3 m/s on average. The amount of sunny days stay about the same, averaging 3 sunny days during the month.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Kaliningrad is gradually increasing during September, going from 5 m/s to 5 m/s over the course of the month.
Rain
How was the weather last September in Kaliningrad?
Climate Change over Years
The climate in Kaliningrad in September has not changed much over the last 43 years.
The average temperature was the lowest in 1987 (+9°C) and the highest in 2014 (+14°C). The driest year was 1996 with only 424 mm of rainfall, and the wettest year was 2017 with 934 mm.
FAQ
Is September a good time to visit Kaliningrad?
Can you sunbathe in Kaliningrad in September?
Can you swim in Kaliningrad in September?
Is Kaliningrad rainy in September?
Is it sunny in Kaliningrad in September?
Other cities in Russia
Monthly weather in Kaliningrad
Source of the data
For this page, we’ve looked at the typical weather in Kaliningrad, 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.