🇨🇿 Weather in Prague in September
This is what the weather in Prague (Czechia) was like in September in 2017–2026.
Key facts at a glance
Avg. daytime high
21.3 °C
17.7 °C – 24.8 °C
Avg. night-time low
10.1 °C
8.0 °C – 11.7 °C
Avg. rain days in period
9.5
32 % of days · ≥ 1.0 mm
Avg. precipitation in period
63.3 mm
16.7 mm – 174 mm
Avg. sunshine per day
n/a
Sunshine duration is not available from this data source.
Avg. sea temperature
–
No sea nearby – no sea temperature.
Extremes: Highest temperature 33.0 °C (4 Sep 2024) · Lowest temperature 0.9 °C (26 Sep 2018) · Avg. daily peak wind 19 km/h
Weather mix of all days
- 60Sunny
- 64Partly cloudy
- 58Cloudy
- 64Light rain
- 31Rain
Summary
- On average 21.3 °C during the day and 10.1 °C at night.
- On average 9.5 rain days (Rain day = at least 1.0 mm of precipitation) with 63.3 mm of precipitation in total.
- Prevailing: Light rain.
- Warmest year: 2023 (avg. 24.8 °C), coolest: 2017 (avg. 17.7 °C).
- Wettest year: 2024 (174 mm), driest: 2023 (16.7 mm).
- Extremes: 33.0 °C on 4 Sep 2024 and 0.9 °C on 26 Sep 2018.
Overall values from all 10 years. How is this calculated?
Charts
Temperatures per year
Average over your travel period
Precipitation & rain days
Year by year
2026
Avg. max22.8°Avg. min10.7°- Rain days
- 7 Rain days
- Precipitation
- 38.0 mm
- Avg. sunshine per day
- n/a
- Sea temperature
- –
Max 32.0 °C · Min 5.4 °C
2025
Avg. max21.2°Avg. min10.2°- Rain days
- 12 Rain days
- Precipitation
- 95.1 mm
- Avg. cloud cover
- 58 % cloudy
- Sea temperature
- –
Max 29.8 °C · Min 3.2 °C
2024
Avg. max21.4°Avg. min11.2°- Rain days
- 11 Rain days
- Precipitation
- 174 mm
- Avg. cloud cover
- 55 % cloudy
- Sea temperature
- –
Max 33.0 °C · Min 3.4 °C
2023
Avg. max24.8°Avg. min11.7°- Rain days
- 4 Rain days
- Precipitation
- 16.7 mm
- Avg. cloud cover
- 39 % cloudy
- Sea temperature
- –
Max 29.7 °C · Min 7.4 °C
2022
Avg. max18.7°Avg. min8.7°- Rain days
- 17 Rain days
- Precipitation
- 72.1 mm
- Avg. cloud cover
- 76 % cloudy
- Sea temperature
- –
Max 26.4 °C · Min 3.0 °C
2021
Avg. max21.5°Avg. min10.5°- Rain days
- 6 Rain days
- Precipitation
- 21.7 mm
- Avg. cloud cover
- 63 % cloudy
- Sea temperature
- –
Max 27.0 °C · Min 6.5 °C
2020
Avg. max21.5°Avg. min9.6°- Rain days
- 8 Rain days
- Precipitation
- 69.4 mm
- Avg. cloud cover
- 55 % cloudy
- Sea temperature
- –
Max 29.4 °C · Min 2.9 °C
2019
Avg. max20.4°Avg. min9.3°- Rain days
- 9 Rain days
- Precipitation
- 43.8 mm
- Avg. cloud cover
- 66 % cloudy
- Sea temperature
- –
Max 30.0 °C · Min 2.9 °C
2018
Avg. max22.7°Avg. min10.5°- Rain days
- 10 Rain days
- Precipitation
- 53.3 mm
- Avg. cloud cover
- 57 % cloudy
- Sea temperature
- –
Max 30.2 °C · Min 0.9 °C
2017
Avg. max17.7°Avg. min8.0°- Rain days
- 11 Rain days
- Precipitation
- 49.0 mm
- Avg. cloud cover
- 74 % cloudy
- Sea temperature
- –
Max 23.3 °C · Min 4.4 °C
Frequently asked questions
- How warm is it in Prague in September?
- Daytime highs averaged 21.3 °C, night-time lows 10.1 °C. The highest value of the past 10 years was 33.0 °C (4 Sep 2024), the lowest 0.9 °C (26 Sep 2018).
- How often does it rain in Prague in September?
- On average there were 9.5 rain days (at least 1 mm) with 63.3 mm of precipitation in total.
Check your exact travel dates
Choose your travel period – we show the weather for exactly those days.
Other destinations in September
Data sources
- Weather data
- Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains. - Sea temperature
- MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis) - Place search
- Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)