Parvomay weather in September

In September, Parvomay sees average daytime highs of 25°C and overnight lows near 13°C, with 61 mm of rain across 5.7 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 23°C by the end. The sky is clear or mostly clear about 58% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Parvomay's 3rd-clearest and 8th-windiest month. For the whole year in context, see Parvomay's year-round climate.

Daytime high
25°
4th warmest
Overnight low
13°
9th coldest
Rainfall
61 mm
5.7 wet days
Daylight
12 h 18 min
6:05 AM – 6:22 PM
Cloud cover
38%
3rd clearest
Wind
7 km/h
8th windiest
Solar energy
4.47 kWh/m²
Travel score
7.8
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 23°C by the end.

A typical September day in Parvomay reaches about 25°C in the afternoon and slips back to 13°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 30°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)
12816
22715
32715
42715
52715
62715
72615
82615
92614
102614
112614
122614
132514
142514
152514
162513
172513
182513
192413
202413
212413
222413
232412
242312
252312
262312
272312
282312
292211
302211

How September really feels in Parvomay

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.

Parvomay weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°587.93.99.30.2
Feb / -1°567.63.210.31.5
Mar12° / 719.72.311.73.4
Apr17° / 619.20.413.15.7
May22° / 11°739.7014.46.9
Jun27° / 15°617.90157.0
Jul29° / 18°556.4014.86.2
Aug30° / 17°384.3013.76.4
Sep25° / 13°615.7012.37.8
Oct19° / 637.10.210.86.4
Nov12° / 596.91.29.63.5
Dec / -1°708.63.490.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% 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 26%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18416
28317
38218
48218
58119
67921
77921
87822
97822
107822
117723
127723
137624
147525
157525
167525
177426
187327
197327
207228
217129
227030
237030
246931
256733
266733
276634
286535
296436
306337

Chance of precipitation in September

Any precipitation

Parvomay gets around 61 mm of rain over 5.7 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 18% and peaks near 22% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
115
216
316
416
516
616
716
816
916
1016
1116
1216
1316
1417
1517
1618
1718
1819
1919
2020
2120
2221
2321
2421
2521
2621
2721
2821
2922
3022

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 59% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14534191
24734181
34933171
45033161
55133151
65432131
75433121
85533111
95733100
10583390
11573490
12583480
13583480
14593470
15593470
16603370
17603370
18613270
19613270
20623170
21623170
22633070
23642970
24642970
25662860
26662860
27672760
28682750
29692650
30702640

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 hours at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over September. Sunrise moves from 5:49 AM to 6:20 AM, and sunset from 6:49 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:496:49
213.05:506:47
312.95:516:45
412.95:526:43
512.85:536:42
612.85:546:40
712.75:556:38
812.75:566:36
912.65:586:35
1012.65:596:33
1112.56:006:31
1212.56:016:29
1312.46:026:27
1412.46:036:25
1512.36:046:24
1612.36:056:22
1712.26:066:20
1812.26:076:18
1912.16:086:16
2012.16:096:15
2112.06:116:13
2212.06:126:11
2311.96:136:09
2411.96:146:07
2511.86:156:05
2611.86:166:04
2711.76:176:02
2811.76:186:00
2911.66:195:58
3011.66:205:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.47 kWh/m².

For context, solar energy here swings from a low near 1.61 kWh/m² to a high of 6.52 kWh/m² in July across the year — September's 4.47 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.1Bright
55.1Bright
65.0Bright
75.0Bright
84.9Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.4Bright
184.3Bright
194.3Bright
204.2Bright
214.2Bright
224.1Bright
234.1Bright
244.0Bright
254.0Moderate
263.9Moderate
273.8Moderate
283.8Moderate
293.7Moderate
303.7Moderate
Planning a trip in September

Is September a good time to visit Parvomay?

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

7.8
Sightseeing
1st-best month of the year
6.9
Beach & pool
4th-best month of the year

September is one of the better times to visit Parvomay for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Parvomay in September

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

In September, Parvomay sees daytime highs around 25°C and nights near 13°C. Worth packing: light clothes. About 6 days see rain.

light clothes

UV index in Parvomay in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Parvomay peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highVery highHighModerateLowJun 23UV 9Dec 23UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr8Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Parvomay 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 Parvomay is worst in March — around 15 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2015 µg/m³Sep 2210 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar15Moderate
Apr14Moderate
May14Moderate
Jun14Moderate
Jul12Moderate
Aug12Good
Sep10Good
Oct10Good
Nov11Good
Dec10Good
Location & terrain

Where is Parvomay?

Parvomay sits at 42.1°N, 25.2°E, 134 m above sea level, in Bulgaria. The nearest listed city is Chirpan, 15 km away.

RakovskiAsenovgradDimitrovgradHaskovoPlovdivStara ZagoraKardzhali

Topography around Parvomay

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

Within 3 km, the terrain around Parvomay has only modest variations in elevation — a maximum elevation change of 44 m around an average of 133 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 704 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,335 m.

The land around Parvomay is covered by cropland (66%) within 3 km, cropland (70%) within 16 km, and trees (47%) and cropland (32%) within 80 km.

3 km
44 m
16 km
704 m
80 km
2,335 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Chirpan 15 km · Rakovski 29 km · Asenovgrad 30 km · Dimitrovgrad 32 km · Haskovo 34 km · Plovdiv 39 km · Stara Zagora 51 km · Kardzhali 52 km

Bulgaria travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 23% of US
price level, 2025
GDP per capita
$20,328
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
96%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
9.2
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 594
Religion
Christian 65%Muslim 10%none 5%other 0%

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 Parvomay (42.1°, 25.2167°, elevation 134 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).