Mostyska weather in September

In September, Mostyska sees average daytime highs of 19°C and overnight lows near 10°C, with 71 mm of rain across 10.3 wet days and about 12.4 hours of daylight. It is the 5th-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 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 Mostyska's 4th-clearest and 8th-windiest month. For the whole year in context, see Mostyska's year-round climate.

Daytime high
19°
5th warmest
Overnight low
10°
9th coldest
Rainfall
71 mm
10.3 wet days
Daylight
12 h 24 min
6:11 AM – 6:33 PM
Cloud cover
62%
4th clearest
Wind
12 km/h
8th windiest
Solar energy
3.2 kWh/m²
Travel score
6.0
out of 10

Mostyska is city of Ukraine.

Density
2,271/km²
people per km²
Founded
1404

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 Mostyska 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 13°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
32112
42111
52111
62111
72111
82111
92011
102011
112010
122010
132010
142010
151910
161910
171910
18199
19199
20189
21189
22189
23189
24189
25179
26178
27178
28178
29178
30178

How September really feels in Mostyska

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.

Mostyska 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 / -4°3810.57.48.40.0
Feb / -4°4310.379.80.0
Mar / -0°4710.73.411.51.1
Apr14° / 5210.9113.54.1
May19° / 8613.7015.15.7
Jun22° / 13°8113.40166.1
Jul24° / 14°10214.2015.76.3
Aug24° / 14°7410.9014.26.8
Sep19° / 10°7110.3012.46.0
Oct14° / 579.50.510.53.9
Nov / 4810.33.18.81.0
Dec / -3°4410.26.280.0

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
34852
44951
54852
64852
74753
84654
94654
104654
114555
124555
134357
144456
154456
164258
174258
184159
194060
204060
214060
224060
234060
244060
254060
264060
274060
284060
294060
304060

Chance of precipitation in September

Any precipitation

Mostyska gets around 71 mm of rain over 10.3 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 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
234
334
433
533
633
733
834
934
1034
1134
1235
1335
1435
1535
1635
1735
1836
1936
2036
2135
2235
2335
2434
2534
2634
2733
2832
2932
3031

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 79% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1612811
2632710
365269
467258
569247
669247
771236
873225
973225
1075214
1176213
1277203
1378202
1479192
1580182
1682171
1783161
1883161
1984151
2085141
2186131
2287121
2388111
2488111
2589101
269091
279091
289091
299181
309181

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 11 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
111calm
211calm
311calm
411calm
511calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2913light breeze
3013light breeze

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 5:48 AM to 6:32 AM, and sunset from 7:06 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:487:06
213.25:497:04
313.25:517:02
413.15:527:00
513.15:546:58
613.05:556:55
712.95:576:53
812.95:596:51
912.86:006:49
1012.76:026:46
1112.76:036:44
1212.66:056:42
1312.66:066:40
1412.56:086:37
1512.46:096:35
1612.46:116:33
1712.36:126:30
1812.26:146:28
1912.26:156:26
2012.16:176:24
2112.06:186:21
2212.06:206:19
2311.96:226:17
2411.96:236:14
2511.86:256:12
2611.76:266:10
2711.76:286:08
2811.66:296:05
2911.56:316:03
3011.56:326:01

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.2 kWh/m².

For context, solar energy here swings from a low near 0.77 kWh/m² to a high of 5.44 kWh/m² in June across the year — September's 3.2 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.8Moderate
43.8Moderate
53.7Moderate
63.7Moderate
73.6Moderate
83.6Moderate
93.5Moderate
103.5Moderate
113.4Moderate
123.4Moderate
133.3Moderate
143.3Moderate
153.2Moderate
163.2Moderate
173.1Moderate
183.1Moderate
193.0Moderate
203.0Moderate
213.0Moderate
222.9Moderate
232.9Moderate
242.8Moderate
252.8Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.6Moderate
302.6Moderate
Planning a trip in September

Is September a good time to visit Mostyska?

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 Mostyska for sightseeing.

What to pack for Mostyska in September

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

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

rain gear

UV index in Mostyska in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mostyska peaks around June 23 at about 7 (very 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 23UV 7Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May6High
Jun7Very high
Jul7High
Aug7High
Sep5Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Mostyska?

Mostyska sits at 49.8°N, 23.2°E, 210 m above sea level, in Ukraine. The nearest listed city is Przemyśl, 28 km away.

Topography around Mostyska

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

Within 3 km, the terrain around Mostyska has only modest variations in elevation — a maximum elevation change of 101 m around an average of 226 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 152 m; within 80 km, large variations in elevation — a maximum elevation change of 1,009 m.

The land around Mostyska is covered by cropland (39%), trees (27%) and grassland (26%) within 3 km, cropland (48%) and trees (31%) within 16 km, and trees (50%) and cropland (32%) within 80 km.

3 km
101 m
16 km
152 m
80 km
1,009 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Przemyśl 28 km · Sambir 31 km · Novoyavorivs'k 34 km · Horodok 36 km · Jarosław 42 km · Przeworsk 55 km · Drohobych 56 km · Boryslav 60 km

Ukraine travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$5,866
2025
Happiness
4.7 / 10
World Happiness, 2025
Safe drinking water
88%
of population, 2024
Homicide rate
3.8
per 100k, 2021
Road deaths
10.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 526

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 Mostyska (49.7947°, 23.1508°, elevation 210 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).