Laon in september: average Weather, Temperature and Climate
Weather in Laon in september 2025
The weather in Laon (Aisne) in the month of september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
54°F
Fog
29% of time
28%
20%
12%
Weather at 12pm
68°F
Clear/Sunny
38% of time
25%
18%
16%
Weather at 6pm
61°F
Clear/Sunny
39% of time
25%
21%
10%
Weather at 3am
56°F
29%
26%
21%
14%
Evolution of daily average temperature and precipitation in Laon in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Laon in september.
The climate of Laon in september is good
The climate in september in Laon (Aisne) is relatively dry (with 2.5in of precipitation over 5 days). The weather is better 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 70°F. On average, the recorded minimum temperature is 54°F. Thus, the mean temperature average in september in Laon (Aisne) is 61°F. Note that seasonal normals are in contrast with those observed in Laon (Aisne) in september with a maximum record of 90°F in 2020 and a minimum record of 41°F in 2018. You can expect to have about 23 days with temperatures up to 65°F, or 77% of the month.
On average, in Laon (Aisne), the days of september last 12:37. The sun rises at 06:22 and sunset is at 18:59.
With a good climate, this month is a good month to go in this city in Picardy.
Seasonal average climate and temperature of Laon in september
Check below seasonal norms These datas are compiled from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 61°F | ||||
| Highest temperature | 70°F | ||||
| Lowest temperature | 54°F | ||||
| Highest record temperature | 90°F (2020) | ||||
| Lowest record temperature | 41°F (2018) | ||||
| Number of days at +86°F | 0 day(s) (0%) | ||||
| Number of days at +65°F | 23 day(s) (77%) | ||||
| Wind | |||||
| Wind speed | 16km/h | ||||
| Wind temperature | 52°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.5in | ||||
| Number of days with rainfall | 5 day(s) (15%) | ||||
| Record daily rainfall | 1.6in (2015) | ||||
| Other climate data | |||||
| Humidity | 91% | ||||
| Visibility | 8.72km | ||||
| Cloud cover | 40% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:22 | ||||
| Time of sunset | 18:59 | ||||
| Length of day | 12:37 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Laon in september 2024:
67°F to 88°F
65°F to 77°F
65°F to 76°F
59°F to 74°F
61°F to 72°F
59°F to 74°F
59°F to 83°F
58°F to 74°F
59°F to 65°F
52°F to 65°F
54°F to 59°F
43°F to 59°F
41°F to 61°F
43°F to 63°F
45°F to 67°F
52°F to 65°F
58°F to 74°F
58°F to 74°F
56°F to 74°F
52°F to 74°F
56°F to 77°F
61°F to 72°F
56°F to 67°F
56°F to 59°F
58°F to 59°F
59°F to 63°F
52°F to 59°F
43°F to 58°F
43°F to 58°F
52°F to 61°F
Map: other cities in Picardy in september
Cities near Laon:
| Tergnier in september | good weather |
| Chauny in september | good weather |
| Soissons in september | good weather |
| Guise in september | good weather |
| Saint-Quentin in september | good weather |
| Noyon in september | good weather |
| Villers-Cotterêts in september | good weather |
| Hirson in september | good weather |
| Château-Thierry in september | good weather |
| Compiègne in september | good weather |
| Roye in september | good weather |
| Peronne in september | good weather |
Click over cities on the map for information about the weather in september.
Laon
perfect weather
good
tolerable
bad
very bad
Weather data for Laon in september:
Weather data for Laon for september are derived from an average of the weather forecast since 2009 in Laon. There is a margin of error and these forecasts are to be considered as general information only. The weather in Laon 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 Laon.