Śrem weather in September

In September, Śrem sees average daytime highs of 19°C and overnight lows near 10°C, with 49 mm of rain across 9.3 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 17°C by the end. The sky is clear or mostly clear about 23% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of September to 11 h 24 min by month's end. Set against the rest of the year, September is Śrem's 6th-clearest and 8th-windiest month. For the whole year in context, see Śrem's year-round climate.

Daytime high
19°
4th warmest
Overnight low
10°
9th coldest
Rainfall
49 mm
9.3 wet days
Daylight
12 h 24 min
5:34 AM – 5:58 PM
Cloud cover
65%
6th clearest
Wind
13 km/h
8th windiest
Solar energy
3.07 kWh/m²
Travel score
6.0
out of 10

Śrem is city of Poland.

Density
2,458/km²
people per km²
Founded
1050

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 21°C in the first days to 17°C by the end.

A typical September day in Śrem 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
22112
32112
42112
52112
62111
72111
82011
92011
102011
112011
122011
132010
141910
151910
161910
171910
181910
191910
20189
21189
22189
23189
24189
25179
26179
27179
28178
29178
30168

How September really feels in Śrem

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.

Śrem weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°4210.84.480.0
Feb / -2°3594.19.60.0
Mar / 4610.62.611.51.2
Apr14° / 3380.413.64.2
May19° / 5410.9015.45.9
Jun22° / 12°6011.3016.46.4
Jul24° / 14°9011.90166.6
Aug24° / 14°6310.2014.46.8
Sep19° / 10°499.3012.46.0
Oct13° / 4390.210.43.7
Nov / 3991.38.50.9
Dec / -1°42103.37.60.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
24159
34159
44159
54159
64159
74060
83961
93961
103961
113961
123961
133862
143862
153763
163763
173763
183664
193664
203664
213664
223664
233664
243565
253565
263466
273466
283367
293367
303367

Chance of precipitation in September

Any precipitation

Śrem gets around 49 mm of rain over 9.3 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 31% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
236
336
436
536
636
735
835
934
1034
1133
1232
1331
1430
1530
1629
1728
1828
1927
2027
2127
2227
2327
2428
2528
2629
2730
2831
2932
3032

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 83% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
168257
269256
370246
471245
571245
673234
774224
875214
976213
1077203
1178193
1280182
1381172
1482162
1583152
1685141
1786131
1887121
1988111
2089101
219190
229190
239280
249280
259370
269370
279370
289370
299370
309370

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 24 min at the start of September to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 120 minutes over September. Sunrise moves from 5:09 AM to 5:58 AM, and sunset from 6:34 PM to 5:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:096:34
213.45:116:32
313.35:126:30
413.25:146:27
513.25:166:25
613.15:176:22
713.05:196:20
812.95:216:18
912.95:236:15
1012.85:246:13
1112.75:266:10
1212.75:286:08
1312.65:296:05
1412.55:316:03
1512.55:336:01
1612.45:345:58
1712.35:365:56
1812.35:385:53
1912.25:395:51
2012.15:415:48
2112.15:435:46
2212.05:455:44
2311.95:465:41
2411.85:485:39
2511.85:505:36
2611.75:515:34
2711.65:535:31
2811.65:555:29
2911.55:575:27
3011.45:585:24

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.07 kWh/m².

For context, solar energy here swings from a low near 0.57 kWh/m² to a high of 5.48 kWh/m² in June across the year — September's 3.07 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.6Moderate
43.6Moderate
53.5Moderate
63.5Moderate
73.4Moderate
83.4Moderate
93.3Moderate
103.3Moderate
113.3Moderate
123.2Moderate
133.2Moderate
143.1Moderate
153.1Moderate
163.1Moderate
173.0Moderate
183.0Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.8Moderate
232.8Moderate
242.7Moderate
252.7Moderate
262.6Moderate
272.6Moderate
282.5Moderate
292.5Moderate
302.4Moderate
Planning a trip in September

Is September a good time to visit Śrem?

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
2.7
Beach & pool
4th-best month of the year

September is a reasonable time to visit Śrem for sightseeing.

What to pack for Śrem in September

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

In September, Śrem sees daytime highs around 19°C and nights near 10°C. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in Śrem 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 Śrem peaks around June 18 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 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 18UV 7Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun7High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low
Location & terrain

Where is Śrem?

Śrem sits at 52.1°N, 17.0°E, 79 m above sea level, in Poland. The nearest listed city is Gostyń, 23 km away.

Leszno

Topography around Śrem

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

Within 3 km, the terrain around Śrem has only modest variations in elevation — a maximum elevation change of 46 m around an average of 74 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 98 m; within 80 km, only modest variations in elevation — a maximum elevation change of 216 m.

The land around Śrem is covered by grassland (28%), cropland (27%) and trees (24%) within 3 km, cropland (52%) and trees (28%) within 16 km, and cropland (55%) and trees (30%) within 80 km.

3 km
46 m
16 km
98 m
80 km
216 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Gostyń 23 km · Środa Wielkopolska 24 km · Kościan 25 km · Luboń 30 km · Jarocin 36 km · Poznan 36 km · Swarzędz 36 km · Leszno 41 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 Śrem (52.0887°, 17.0151°, elevation 79 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).