Iasi in september: average Weather, Temperature and Climate
Weather in Iasi in september 2025
The weather in Iasi in september comes from statistical datas on the last years. You can view the weather statistics the entire month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather UV index: 6
Weather at 6am
63°F
Clear/Sunny
49% of time
32%
10%
8%
Weather at 12pm
76°F
Clear/Sunny
50% of time
32%
9%
7%
Weather at 6pm
63°F
Clear/Sunny
50% of time
34%
7%
6%
Weather at 3am
56°F
49%
28%
9%
7%
Evolution of daily average temperature and precipitation in Iasi in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Iasi in september.
The climate of Iasi in september is perfect
the weather in Iasi in september is rather dry (with 1.6in of rainfall over 2 days). It should be noted a worsening from the previous month since in august there is an average of 1.4in of rainfall over 2 days.
The climate quite good in that locality september. The high seasonal norm is 76°F. On average, the recorded minimum temperature is 61°F. Thus, the mean temperature average on this month of september in Iasi is 68°F. These temperatures are far removed from those records observed in Iasi in the month of september with a maximum record of 99°F in 2015 and a minimum record of 43°F in 2021. You can hope to have about 26 days with temperatures above 65°F, or 87% of the month.
On average, in Iasi, the days of september last 12:34. The sun rises at 05:47 and sunset is at 18:21.
With a perfect weather, the month of september is advisable to go in that area in Romania.
Seasonal average climate and temperature of Iasi in september
Check below seasonal norms These statistics are compiled from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 68°F | ||||
| Highest temperature | 76°F | ||||
| Lowest temperature | 61°F | ||||
| Highest record temperature | 99°F (2015) | ||||
| Lowest record temperature | 43°F (2021) | ||||
| Number of days at +86°F | 4 day(s) (13%) | ||||
| Number of days at +65°F | 26 day(s) (87%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 15km/h | ||||
| Wind temperature | 61°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.6in | ||||
| Number of days with rainfall | 2 day(s) (7%) | ||||
| Record daily rainfall | 1.6in (2019) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 66% | ||||
| Visibility | 9.66km | ||||
| Cloud cover | 29% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:47 | ||||
| Time of sunset | 18:21 | ||||
| Length of day | 12:34 | ||||
| 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 Iasi in september 2024:
70°F to 92°F
65°F to 92°F
65°F to 94°F
63°F to 76°F
61°F to 83°F
61°F to 81°F
63°F to 85°F
56°F to 83°F
58°F to 83°F
61°F to 83°F
63°F to 72°F
63°F to 72°F
59°F to 81°F
65°F to 72°F
58°F to 74°F
59°F to 65°F
59°F to 77°F
56°F to 70°F
56°F to 72°F
50°F to 74°F
50°F to 76°F
54°F to 76°F
56°F to 77°F
59°F to 79°F
58°F to 79°F
59°F to 77°F
59°F to 85°F
61°F to 81°F
58°F to 65°F
52°F to 56°F
Map: other cities in Romania in september
Cities near Iasi:
| Roman in september | perfect weather |
| Vaslui in september | perfect weather |
| Pascani in september | perfect weather |
| Bacău in september | perfect weather |
| Piatra Neamț in september | good weather |
| Bârlad in september | perfect weather |
| Suceava in september | good weather |
| Ceahlău National Park in september | good weather |
| Cheile Bicazului National Park in september | good weather |
| Tecuci in september | perfect weather |
| Miercurea-Ciuc in september | good weather |
| Focșani in september | perfect weather |
Click over cities on the map for information about the weather in september.
Iasi
perfect weather
good
tolerable
bad
very bad
Weather data for Iasi in september:
Weather data for Iasi for september are derived from an average of the weather forecast since 2009 in Iasi. There is a margin of error and these forecasts are to be considered as general information only. The weather in Iasi 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 Iasi.