Białystok in september: average Weather, Temperature and Climate
Weather in Białystok in september 2025
The weather in Białystok in september comes from statistical datas on the last 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
56°F
Clear/Sunny
35% of time
28%
13%
13%
Weather at 12pm
67°F
Clear/Sunny
35% of time
23%
23%
12%
Weather at 6pm
58°F
Clear/Sunny
40% of time
24%
22%
10%
Weather at 3am
52°F
26%
25%
23%
13%
Evolution of daily average temperature and precipitation in Białystok in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Białystok in september.
The climate of Białystok in september is good
In september in Białystok, the climate is relatively dry (with 3in of rainfall over 4 days). It should be noted an improvement from the previous month since in august it receives an average of 3.6in of rainfall over 6 days.
The climate is fairly cold in that locality the month of september, but it is bearable by dressing hot. The thermometer averaged maximum of 67°F. In the morning the temperature drops to 56°F. Thus, the mean temperature average in september in Białystok is 61°F. Note that these seasonal averages are in contrast with those observed in Białystok in september with a maximum record of 85°F in 2016 and a minimum record of 38°F in 2010. You can expect to have about 17 days with temperatures over 65°F, or 57% of the month.
In september in Białystok, the days on average last 12:42. Sunrise is at 05:01 and sets at 17:43.
With a good climate, september is a good month to go in this locality in Poland.
Seasonal average climate and temperature of Białystok in september
Check below seasonal norms These datas are set from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 61°F | ||||
| Highest temperature | 67°F | ||||
| Lowest temperature | 56°F | ||||
| Highest record temperature | 85°F (2016) | ||||
| Lowest record temperature | 38°F (2010) | ||||
| Number of days at +86°F | 0 day(s) (0%) | ||||
| Number of days at +65°F | 17 day(s) (57%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 16km/h | ||||
| Wind temperature | 52°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3in | ||||
| Number of days with rainfall | 4 day(s) (14%) | ||||
| Record daily rainfall | 2in (2013) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 8.85km | ||||
| Cloud cover | 42% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:01 | ||||
| Time of sunset | 17:43 | ||||
| Length of day | 12:42 | ||||
| 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 Białystok in september 2024:
58°F to 79°F
63°F to 88°F
65°F to 90°F
65°F to 88°F
65°F to 86°F
65°F to 86°F
63°F to 86°F
59°F to 83°F
59°F to 85°F
59°F to 65°F
56°F to 74°F
58°F to 77°F
58°F to 77°F
61°F to 79°F
59°F to 76°F
59°F to 81°F
59°F to 83°F
59°F to 79°F
56°F to 77°F
54°F to 77°F
54°F to 77°F
56°F to 76°F
56°F to 77°F
56°F to 81°F
56°F to 76°F
54°F to 72°F
61°F to 72°F
59°F to 68°F
49°F to 59°F
41°F to 59°F
Map: other cities in Poland in september
Cities near Białystok:
| Hajnówka in september | good weather |
| Łomża in september | good weather |
| Augustów in september | good weather |
| Ełk in september | good weather |
| Ostrołęka in september | good weather |
| Suwalki in september | good weather |
| Biała Podlaska in september | good weather |
| Siedlce in september | good weather |
| Giżycko in september | good weather |
| Mrągowo in september | good weather |
| Ciechanów in september | good weather |
| Warsaw in september | good weather |
Click over cities on the map for information about the weather in september.
Białystok
perfect weather
good
tolerable
bad
very bad
Weather data for Białystok in september:
Weather data for Białystok for september are derived from an average of the weather forecast since 2009 in Białystok. There is a margin of error and these forecasts are to be considered as general information only. The weather in Białystok 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 Białystok.