Your trips
Organise your trips easily with tabs
London
Bratislava
Any date
+ Search
background

Bratislava in September: Weather, Average temperature and Climate

Discover the weather for Bratislava in September and if it’s a good time to travel (based on historical data).
Check flight prices to Bratislava on Avionero:
September

Weather in Bratislava in September 2024

Good Weather
Mild
☀️
Sunny
Planning a trip to Bratislava in September? You are in luck! The weather is generally good, with an average maximum temperature of +21°C and approximately 13 sunny days. Just be prepared for some rain, as there are usually around 6 rainy days and 62 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+21°C
Avg. max. temperature
+3°C
Min.
+32°C
Max.
62 mm
Total precipitation
70%
Avg. humidity
2 m/s
Avg. wind
13 ☀️
Sunny Days
11 ⛅️
Cloudy
6 🌦
Rainy
Our opinion: Bratislava has good weather in September.

Average temperature in Bratislava in September

Here are the expected maximum, average and minimum temperatures in Bratislava for September based on the historical data.
Last Year
Historical Data

The temperature in September is +20°C on average, with a range between a maximum of +28°C during the day and a minimum of +5°C at night.

The average maximum temperature goes down 35% by the end of the month, compared with the beginning of the month, from +23°C to +15°C.

Is Bratislava warm or cold in September?

Bratislava is typically mild in September.

Maximum temperatures go down compared to the previous month from +26°C to +21°C. The minimum temperature also goes down from +16°C to +11°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 Bratislava:

Climate in Bratislava in September

Bratislava weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+26°C+21°C+15°C
Min. temperature
+6°C+3°C-6°C
Max. temperature
+39°C+32°C+27°C
Rainfall
63 mm62 mm40 mm
Wind
2 m/s2 m/s2 m/s
Humidity
64%70%77%
Air pressure
1013 HPa1014 HPa1016 HPa
Sunny days
161310
Cloudy days
91116
Rainy days
665
Snowy days
000

September weather is still as good as in August. It’s getting colder in September. From +26°C in the day, the average maximum temperature lowers to +21°C. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 63 mm to 62 mm. Humidity rises from 64% to 70%. The average wind speed doesn’t change much during September, staying around 2 m/s. The days becoming less sunny, going from 16 sunny days in August to 13 in September.

Next month (October) brings a further decline in the weather.

Wind

Wind speed in Bratislava in September based on historical data.
Last Year
Historical Data

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 Bratislava is gradually decreasing during September, going from 3 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Bratislava based on historical data.
Last Year
Historical Data
Typically, there is a 63% chance of rain on an average day in September, with total rainfall of approximately 99 mm. The maximum amount of rainfall per day is around 19 mm, which is considered light rain. September is a pretty wet month with over 19 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Bratislava wettest month is June, where a typical day has a 23% chance of precipitation and 68 mm of rainfall per day. January, on the other hand, is the driest month with a mere 6% chance of precipitation and 13 mm of rainfall per day.

How was the weather last September in Bratislava?

This is the weather in Bratislava in September 2023:
1 September
☀️
+23°C
2 September
☀️
+23°C
3 September
☀️
+25°C
4 September
🌧️
+22°C
5 September
☀️
+26°C
6 September
☀️
+26°C
7 September
☀️
+28°C
8 September
☀️
+28°C
9 September
☀️
+26°C
10 September
🌧️
+22°C
11 September
☀️
+22°C
12 September
☀️
+21°C
13 September
☀️
+24°C
14 September
☀️
+23°C
15 September
🌧️
+23°C
16 September
☀️
+18°C
17 September
☀️
+14°C
18 September
☀️
+15°C
19 September
🌧️
+13°C
20 September
🌧️
+13°C
21 September
☀️
+16°C
22 September
☀️
+17°C
23 September
☀️
+18°C
24 September
☀️
+19°C
25 September
☁️
+14°C
26 September
🌧️
+20°C
27 September
🌧️
+14°C
28 September
🌧️
+17°C
29 September
🌧️
+16°C
30 September
🌧️
+15°C
In September 2023 Bratislava had 19 sunny days, 1 cloudy days, and 10 rainy days. The average maximum temperature was +20°C, with an absolute maximum of +28°C and a minimum of +13°C. The average humidity was 73%, with a maximum of 95% and a minimum of 39%. The average wind speed was 3 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change over Years

This is how Bratislava climate have been changing during last 43 years period.

The climate in Bratislava in September has not changed much over the last 43 years.

The average temperature was the lowest in 1996 (+16°C) and the highest in 2016 (+27°C). The driest year was 1982 with only 10 mm of rainfall, and the wettest year was 2014 with 177 mm.

FAQ

Frequently asked questions about the weather in Bratislava in September:

Is September a good time to visit Bratislava?

September is a really good time to go to Bratislava. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Bratislava.

Can you sunbathe in Bratislava in September?

September has mild temperatures in Bratislava. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Bratislava rainy in September?

Bratislava is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Bratislava in September?

The amount of sunny days in Bratislava during September varies; prepare for a mix of clouds and sun.

Monthly weather in Bratislava

Source of the data

For this page, we’ve looked at the typical weather in Bratislava, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

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.