Heidelberg in september: average Weather, Temperature and Climate
Weather in Heidelberg in september 2025
The weather in Heidelberg in the month of september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather
Weather at 6am
58°F
Clear/Sunny
37% of time
27%
13%
12%
Weather at 12pm
72°F
Clear/Sunny
44% of time
29%
17%
8%
Weather at 6pm
63°F
Clear/Sunny
45% of time
30%
17%
6%
Weather at 3am
56°F
35%
25%
17%
13%
Evolution of daily average temperature and precipitation in Heidelberg in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Heidelberg in september.
The climate of Heidelberg in september is perfect
In september in Heidelberg, the climate is rather dry (with 2.4in of rainfall over 3 days). It should be noted an improvement from the previous month since in august it receives an average of 3.5in of rainfall over 6 days.
The climate quite enjoyable in that locality september. The high seasonal norm is 74°F. The minimum is 58°F. Thus, the mean temperature average in september in Heidelberg is 65°F. Note that these seasonal averages are in contrast with those observed in Heidelberg in september with a maximum record of 90°F in 2013 and a minimum record of 43°F in 2010. You can expect to have about 26 days with temperatures up to 65°F, or 87% of the month.
In september in Heidelberg, the days on average last 12:36. The sun rises at 06:02 and sets at 18:38.
With a good weather, september is advisable to go in that area in Germany.
Seasonal average climate and temperature of Heidelberg in september
Check below seasonal norms These datas are generated from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 65°F | ||||
| Highest temperature | 74°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 90°F (2013) | ||||
| Lowest record temperature | 43°F (2010) | ||||
| Number of days at +86°F | 1 day(s) (3%) | ||||
| Number of days at +65°F | 26 day(s) (87%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 12km/h | ||||
| Wind temperature | 56°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.4in | ||||
| Number of days with rainfall | 3 day(s) (11%) | ||||
| Record daily rainfall | 2in (2017) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 84% | ||||
| Visibility | 9.18km | ||||
| Cloud cover | 33% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:02 | ||||
| Time of sunset | 18:38 | ||||
| Length of day | 12:36 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | perfect | ||||
How was the weather last september?
Here is the day by day recorded weather in Heidelberg in september 2024:
65°F to 88°F
65°F to 83°F
65°F to 86°F
65°F to 74°F
63°F to 83°F
59°F to 74°F
61°F to 85°F
61°F to 76°F
59°F to 65°F
58°F to 68°F
54°F to 61°F
43°F to 59°F
43°F to 63°F
47°F to 61°F
45°F to 65°F
52°F to 58°F
52°F to 68°F
54°F to 74°F
58°F to 74°F
52°F to 74°F
54°F to 76°F
56°F to 76°F
59°F to 68°F
56°F to 67°F
52°F to 68°F
59°F to 70°F
56°F to 63°F
52°F to 58°F
43°F to 61°F
49°F to 63°F
Map: other cities in Germany in september
Cities near Heidelberg:
| Baden-Baden in september | good weather |
| Stuttgart in september | good weather |
| Frankfurt in september | good weather |
| Wurzburg in september | good weather |
| Rothenburg ob der Tauber in september | good weather |
| Saarbrücken in september | good weather |
| Schwarzwald (Black Forest) in september | good weather |
| Giessen in september | good weather |
| Cochem in september | good weather |
| Rust in september | good weather |
| Ulm in september | good weather |
| Freiburg in september | good weather |
Click over cities on the map for information about the weather in september.
Heidelberg
perfect weather
good
tolerable
bad
very bad
Weather data for Heidelberg in september:
Weather data for Heidelberg for september are derived from an average of the weather forecast since 2009 in Heidelberg. There is a margin of error and these forecasts are to be considered as general information only. The weather in Heidelberg can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Heidelberg.