Szczytno weather in September

In September, Szczytno sees average daytime highs of 18°C and overnight lows near 9°C, with 57 mm of rain across 9.7 wet days and about 12.5 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 15°C by the end. The sky is clear or mostly clear about 21% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 30 min at the start of September to 11 h 24 min by month's end. Set against the rest of the year, September is Szczytno's 6th-clearest and 7th-windiest month. For the whole year in context, see Szczytno's year-round climate.

Daytime high
18°
5th warmest
Overnight low
9th coldest
Rainfall
57 mm
9.7 wet days
Daylight
12 h 24 min
5:18 AM – 5:43 PM
Cloud cover
66%
6th clearest
Wind
13 km/h
7th windiest
Solar energy
2.87 kWh/m²
Travel score
5.5
out of 10

Szczytno is city and urban gmina of Poland.

Density
2,368/km²
people per km²
Founded
1359

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 20°C in the first days to 15°C by the end.

A typical September day in Szczytno reaches about 18°C in the afternoon and slips back to 9°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 23°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)
12011
22011
32011
42011
51910
61910
71910
81910
91910
101910
111810
12189
13189
14189
15189
16189
17179
18179
19178
20178
21178
22168
23168
24168
25168
26168
27167
28157
29157
30157

How September really feels in Szczytno

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.

Szczytno weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-0° / -4°4110.36.67.80.0
Feb / -4°368.95.69.40.0
Mar / -1°4110.13.611.50.5
Apr12° / 439.51.213.73.4
May18° / 6512.60.115.65.5
Jun21° / 11°7211.9016.76.0
Jul23° / 13°8613.4016.36.3
Aug23° / 13°6511.3014.66.5
Sep18° / 579.7012.55.5
Oct11° / 489.50.510.32.9
Nov / 399.62.58.30.3
Dec / -3°439.85.57.30.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24060
33961
43862
53763
63763
73664
83664
93664
103664
113664
123664
133565
143565
153565
163565
173565
183565
193664
203664
213664
223664
233664
243664
253664
263664
273664
283763
293763
303763

Chance of precipitation in September

Any precipitation

Szczytno gets around 57 mm of rain over 9.7 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 33% and peaks near 38% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
238
338
438
538
638
738
838
937
1037
1136
1235
1334
1434
1533
1632
1731
1830
1929
2028
2128
2227
2327
2427
2527
2627
2727
2828
2928
3029

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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
172244
273243
373243
475232
575232
676222
777212
878202
979192
1080182
1181172
1282162
1384142
1485132
1587121
1688111
1789101
1889101
199091
209181
219271
229361
239460
249550
259550
269550
279550
289640
299640
309640

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.

05101520151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light 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 30 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 126 minutes over September. Sunrise moves from 4:51 AM to 5:43 AM, and sunset from 6:21 PM to 5:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.54:516:21
213.44:536:18
313.44:546:16
413.34:566:13
513.24:586:11
613.15:006:08
713.15:026:06
813.05:036:03
912.95:056:01
1012.95:075:58
1112.85:095:56
1212.75:115:53
1312.65:125:51
1412.65:145:48
1512.55:165:45
1612.45:185:43
1712.35:205:40
1812.35:215:38
1912.25:235:35
2012.15:255:33
2112.15:275:30
2212.05:295:28
2311.95:315:25
2411.85:325:23
2511.85:345:20
2611.75:365:17
2711.65:385:15
2811.55:405:12
2911.55:425:10
3011.45:435:07

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.87 kWh/m².

For context, solar energy here swings from a low near 0.44 kWh/m² to a high of 5.35 kWh/m² in June across the year — September's 2.87 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.4Moderate
43.4Moderate
53.3Moderate
63.3Moderate
73.2Moderate
83.2Moderate
93.1Moderate
103.1Moderate
113.1Moderate
123.0Moderate
133.0Moderate
142.9Moderate
152.9Moderate
162.9Moderate
172.8Moderate
182.8Moderate
192.7Moderate
202.7Moderate
212.7Moderate
222.6Moderate
232.6Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.4Moderate
282.4Moderate
292.3Moderate
302.3Moderate
Planning a trip in September

Is September a good time to visit Szczytno?

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

5.5
Sightseeing
4th-best month of the year
1.7
Beach & pool
5th-best month of the year

September is a reasonable time to visit Szczytno for sightseeing.

What to pack for Szczytno in September

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

In September, Szczytno sees daytime highs around 18°C and nights near 9°C. Worth packing: rain gear. About 10 days see rain.

rain gear

UV index in Szczytno 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 Szczytno peaks around June 23 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 19 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 6Dec 19UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Szczytno?

Szczytno sits at 53.6°N, 21.0°E, 144 m above sea level, in Poland. The nearest listed city is Mrągowo, 40 km away.

MrągowoOlsztynPiszPrzasnyszKętrzynMławaDziałdowoOstrołęka

Topography around Szczytno

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

Within 3 km, the terrain around Szczytno has only modest variations in elevation — a maximum elevation change of 56 m around an average of 154 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 101 m; within 80 km, significant variations in elevation — a maximum elevation change of 296 m.

The land around Szczytno is covered by grassland (38%) and trees (36%) within 3 km, trees (53%) and grassland (32%) within 16 km, and trees (41%), cropland (29%) and grassland (26%) within 80 km.

3 km
56 m
16 km
101 m
80 km
296 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Mrągowo 40 km · Olsztyn 41 km · Pisz 55 km · Przasnysz 61 km · Kętrzyn 63 km · Mława 64 km · Działdowo 65 km · Ostrołęka 66 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 Szczytno (53.5626°, 20.9875°, elevation 144 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).