Mielec weather in September

In September, Mielec sees average daytime highs of 19°C and overnight lows near 10°C, with 74 mm of rain across 10.7 wet days and about 12.4 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 17°C by the end. The sky is clear or mostly clear about 26% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 18 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Mielec's 4th-clearest and 8th-windiest month. For the whole year in context, see Mielec's year-round climate.

Daytime high
19°
5th warmest
Overnight low
10°
9th coldest
Rainfall
74 mm
10.7 wet days
Daylight
12 h 24 min
5:17 AM – 5:40 PM
Cloud cover
62%
4th clearest
Wind
11 km/h
8th windiest
Solar energy
3.14 kWh/m²
Travel score
6.0
out of 10

Mielec is city and urban gmina of Poland.

Air quality
Elevated
PM2.5 25 µg/m³ · 2016
Density
1,269/km²
people per km²
Founded
1457

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 17°C by the end.

A typical September day in Mielec reaches about 19°C in the afternoon and slips back to 10°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 25°C. Set against its neighbours, September runs about 5°C cooler than August and about 6°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12212
22212
32212
42212
52111
62111
72111
82111
92111
102111
112011
122010
132010
142010
152010
161910
171910
181910
19199
20199
21189
22189
23189
24189
25189
26178
27178
28178
29178
30178

How September really feels in Mielec

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Mielec weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°4410.86.88.30.0
Feb / -3°4210.36.59.70.0
Mar / 4810.53.411.51.2
Apr15° / 5611.31.113.54.2
May20° / 8413.7015.25.7
Jun23° / 13°8513016.16.2
Jul25° / 15°10114.2015.76.2
Aug25° / 14°6711014.36.7
Sep19° / 10°7410.7012.46.0
Oct14° / 559.50.410.53.9
Nov / 469.72.58.81.1
Dec / -2°42105.17.90.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
24951
34753
44852
54654
64753
74654
84555
94456
104456
114357
124357
134258
144357
154159
164159
174159
184060
194060
204060
214060
224060
234060
244060
254060
264060
274060
284060
294159
304060

Chance of precipitation in September

Any precipitation

Mielec gets around 74 mm of rain over 10.7 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
236
336
436
536
636
736
836
936
1036
1136
1236
1336
1435
1535
1635
1735
1835
1935
2035
2135
2235
2335
2435
2535
2634
2734
2834
2933
3033

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1652510
267249
368248
469247
571236
671236
772235
873234
973234
1075223
1175223
1277212
1377212
1478202
1580191
1680191
1781181
1882171
1983161
2084151
2185141
2287130
2388120
2489110
2590100
2690100
279190
289190
299190
309280

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 18 min at the start of September to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 108 minutes over September. Sunrise moves from 4:54 AM to 5:40 AM, and sunset from 6:14 PM to 5:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.34:546:14
213.34:566:12
313.24:576:09
413.14:596:07
513.15:006:05
613.05:026:03
713.05:036:00
812.95:055:58
912.85:075:56
1012.85:085:54
1112.75:105:51
1212.65:115:49
1312.65:135:47
1412.55:145:44
1512.45:165:42
1612.45:175:40
1712.35:195:37
1812.25:215:35
1912.25:225:33
2012.15:245:31
2112.05:255:28
2212.05:275:26
2311.95:285:24
2411.95:305:21
2511.85:325:19
2611.75:335:17
2711.75:355:14
2811.65:365:12
2911.55:385:10
3011.55:405:08

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.14 kWh/m².

For context, solar energy here swings from a low near 0.7 kWh/m² to a high of 5.42 kWh/m² in June across the year — September's 3.14 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.7Moderate
43.7Moderate
53.6Moderate
63.6Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.4Moderate
113.4Moderate
123.3Moderate
133.3Moderate
143.2Moderate
153.2Moderate
163.1Moderate
173.1Moderate
183.0Moderate
193.0Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.8Moderate
242.8Moderate
252.7Moderate
262.7Moderate
272.6Moderate
282.6Moderate
292.5Moderate
302.5Moderate
Planning a trip in September

Is September a good time to visit Mielec?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.0
Sightseeing
4th-best month of the year
2.9
Beach & pool
4th-best month of the year

September is a reasonable time to visit Mielec for sightseeing.

What to pack for Mielec in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Mielec sees daytime highs around 19°C and nights near 10°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Mielec in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mielec peaks around June 23 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 7Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Mielec in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Mielec is worst in June — around 31 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 17 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Mielec's WHO annual average of 25 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2131 µg/m³Dec 1717 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb23Moderate
Mar29Moderate
Apr29Moderate
May29Moderate
Jun31Moderate
Jul31Moderate
Aug28Moderate
Sep24Moderate
Oct20Moderate
Nov20Moderate
Dec17Moderate
Location & terrain

Where is Mielec?

Mielec sits at 50.3°N, 21.4°E, 178 m above sea level, in Poland. The nearest listed city is Dębica, 26 km away.

TarnówRzeszówSandomierzBusko-Zdrój

Topography around Mielec

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mielec.

Within 3 km, the terrain around Mielec has only modest variations in elevation — a maximum elevation change of 34 m around an average of 170 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 108 m; within 80 km, large variations in elevation — a maximum elevation change of 715 m.

The land around Mielec is covered by artificial surfaces (26%), cropland (25%) and trees (24%) within 3 km, trees (44%) and cropland (32%) within 16 km, and trees (46%), cropland (31%) and grassland (20%) within 80 km.

3 km
34 m
16 km
108 m
80 km
715 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Dębica 26 km · Ropczyce 29 km · Staszów 36 km · Tarnobrzeg 37 km · Tarnów 44 km · Rzeszów 49 km · Sandomierz 50 km · Busko-Zdrój 54 km

Poland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 52% of US
price level, 2025
GDP per capita
$28,420
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
9.4
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 600
Religion
Roman Catholic 71%refused to answer 21%no religion 7%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Mielec (50.2871°, 21.4239°, elevation 178 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).