Ostrov weather in September

In September, Ostrov sees average daytime highs of 16°C and overnight lows near 8°C, with 58 mm of rain across 10.3 wet days and about 12.5 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 14°C by the end. The sky is clear or mostly clear about 16% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 42 min at the start of September to 11 h 18 min by month's end. Set against the rest of the year, September is Ostrov's 6th-clearest and 7th-windiest month. For the whole year in context, see Ostrov's year-round climate.

Daytime high
16°
5th warmest
Overnight low
9th coldest
Rainfall
58 mm
10.3 wet days
Daylight
12 h 30 min
6:46 AM – 7:15 PM
Cloud cover
71%
6th clearest
Wind
12 km/h
7th windiest
Solar energy
2.52 kWh/m²
Travel score
4.8
out of 10

Ostrov is town in Pskov Oblast, Russia.

Founded
1341

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 19°C in the first days to 14°C by the end.

A typical September day in Ostrov reaches about 16°C in the afternoon and slips back to 8°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 21°C. Set against its neighbours, September runs about 6°C cooler than August and about 7°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11910
21910
31910
41810
5189
6189
7189
8189
9179
10179
11179
12178
13178
14168
15168
16168
17168
18167
19157
20157
21157
22157
23157
24147
25147
26146
27146
28146
29136
30136

How September really feels in Ostrov

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.

Ostrov weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -7°4111.39.87.10.0
Feb-2° / -8°348.9890.0
Mar / -4°369.35.811.40.1
Apr11° / 419.4213.92.7
May17° / 6211.10.116.25.3
Jun21° / 11°7912.9017.55.8
Jul23° / 13°6712.20176.4
Aug22° / 12°7611.60156.2
Sep16° / 5810.3012.54.8
Oct / 5911.71.4101.7
Nov / -1°5010.84.67.70.0
Dec-1° / -5°4110.48.56.50.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% 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 69%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23466
33268
43268
53367
63268
73268
83268
93169
103169
113169
123169
133070
143070
153070
163070
173070
183070
193070
203070
213070
223070
233070
243070
253070
263070
272971
282872
292872
302872

Chance of precipitation in September

Any precipitation

Ostrov gets around 58 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 (%)
136
236
336
435
535
636
736
836
936
1036
1136
1235
1335
1434
1534
1634
1733
1833
1933
2033
2132
2232
2332
2433
2533
2633
2733
2833
2934
3034

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
180182
281172
382162
483152
584142
685132
786122
887112
988111
1089101
119091
129181
139181
149271
159271
169460
179550
189550
199640
209640
219640
229730
239730
249730
259730
269820
279820
289820
299820
309820

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
611calm
712calm
812calm
912calm
1012calm
1112calm
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light 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 42 min at the start of September to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 144 minutes over September. Sunrise moves from 6:14 AM to 7:17 AM, and sunset from 7:58 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.76:147:58
213.66:167:55
313.66:197:53
413.56:217:50
513.46:237:47
613.36:257:44
713.26:277:41
813.26:297:38
913.16:317:36
1013.06:347:33
1112.96:367:30
1212.86:387:27
1312.76:407:24
1412.76:427:21
1512.66:447:18
1612.56:467:15
1712.46:497:12
1812.36:517:10
1912.26:537:07
2012.16:557:04
2112.16:577:01
2212.06:596:58
2311.97:016:55
2411.87:046:52
2511.77:066:49
2611.67:086:47
2711.67:106:44
2811.57:126:41
2911.47:146:38
3011.37:176:35

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.52 kWh/m².

For context, solar energy here swings from a low near 0.26 kWh/m² to a high of 5.42 kWh/m² in June across the year — September's 2.52 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.1Moderate
43.1Moderate
53.0Moderate
63.0Moderate
72.9Moderate
82.9Moderate
92.8Moderate
102.8Moderate
112.7Moderate
122.7Moderate
132.6Moderate
142.6Moderate
152.6Moderate
162.5Moderate
172.5Moderate
182.4Moderate
192.4Moderate
202.3Moderate
212.3Moderate
222.3Moderate
232.2Moderate
242.2Moderate
252.1Moderate
262.1Moderate
272.0Moderate
282.0Dim
291.9Dim
301.9Dim
Planning a trip in September

Is September a good time to visit Ostrov?

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

4.8
Sightseeing
5th-best month of the year
0.9
Beach & pool
5th-best month of the year

September is a reasonable time to visit Ostrov for sightseeing.

What to pack for Ostrov in September

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

In September, Ostrov sees daytime highs around 16°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Ostrov in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ostrov peaks around July 12 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 12UV 6Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May5Moderate
Jun6High
Jul6High
Aug5Moderate
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low
Location & terrain

Where is Ostrov?

Ostrov sits at 57.3°N, 28.4°E, 70 m above sea level, in Russia. The nearest listed city is Pskov, 53 km away.

Topography around Ostrov

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

Within 3 km, the terrain around Ostrov has only modest variations in elevation — a maximum elevation change of 33 m around an average of 63 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 82 m; within 80 km, significant variations in elevation — a maximum elevation change of 290 m.

The land around Ostrov is covered by trees (42%) and grassland (41%) within 3 km, trees (49%) and grassland (36%) within 16 km, and trees (69%) within 80 km.

3 km
33 m
16 km
82 m
80 km
290 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Pskov 53 km · Rēzekne 111 km · Otepää 136 km · Madona 140 km · Valga 146 km · Tartu 150 km · Velikiye Luki 174 km · Nevel’ 176 km

Russia travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 32% of US
price level, 2025
GDP per capita
$17,547
2025
Happiness
5.8 / 10
World Happiness, 2025
Safe drinking water
76%
of population, 2024
Homicide rate
6.8
per 100k, 2021
Road deaths
12
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 521
Religion
other Christian 2%

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 Ostrov (57.3438°, 28.3536°, elevation 70 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).