Petrich in Fall
In fall (September, October and November), Petrich sees average daytime highs around 18°C and overnight lows near 8°C, with 170 mm of precipitation over about 22 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 26°C in early September to 9°C by late November. The sky is clear or mostly clear about 46% of the time across fall, and the air most often feels dry.
Fall is Petrich's 2nd-best season to visit on our travel score. For the whole year in context, see Petrich's year-round climate.
- Avg daytime high
- 18°C
- 2nd-warmest season
- Avg overnight low
- 8°C
- Precipitation
- 170 mm
- 22 wet days
- Avg wind
- 5 km/h
- Travel score
- 5.8
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Petrich in Fall
Over the season highs ease from about 26°C in early September to 9°C by late November.
A typical fall day in Petrich reaches about 18°C and drops to 8°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Petrich
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Petrich weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 6° / -2° | 58 | 8.1 | 4.2 | 9.4 | 0.4 |
| Feb | 8° / -1° | 59 | 9.2 | 4.2 | 10.3 | 1.3 |
| Mar | 12° / 2° | 74 | 10.8 | 2.9 | 11.7 | 3.1 |
| Apr | 16° / 6° | 69 | 11.9 | 0.5 | 13.1 | 4.9 |
| May | 21° / 10° | 78 | 12.5 | 0.1 | 14.3 | 6.2 |
| Jun | 26° / 14° | 53 | 10.6 | 0 | 14.9 | 6.9 |
| Jul | 28° / 16° | 40 | 7.8 | 0 | 14.7 | 6.8 |
| Aug | 28° / 16° | 33 | 6.8 | 0 | 13.7 | 6.8 |
| Sep | 24° / 13° | 40 | 7 | 0 | 12.3 | 7.7 |
| Oct | 18° / 8° | 63 | 7.4 | 0.2 | 10.9 | 6.3 |
| Nov | 12° / 3° | 68 | 8 | 1.1 | 9.7 | 3.3 |
| Dec | 7° / -1° | 78 | 9.5 | 3.1 | 9.1 | 0.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 46% of the time across fall.
Chance of precipitation in Fall
Petrich gets around 170 mm of rain and snow over 22 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 5 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 hours in early September to 9 h 18 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.3 kWh/m².
Is fall a good time to visit Petrich?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Petrich for sightseeing.
What to pack for Petrich in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Petrich sees daytime highs around 18°C and nights near 8°C. Pack a warm layer. Worth having: light clothes, rain gear and sun protection. About 22 days see rain.
UV index in Petrich in Fall
Clear-sky midday UV across fall averages 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 Petrich peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. 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 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 4 | 8 | 6 | 9 | 9 | 9 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | Moderate | Very high | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 8 | Very high |
| May | 6 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Air quality in Petrich in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Petrich is worst in March — around 15 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 9 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 12 | 13 | 15 | 15 | 14 | 14 | 12 | 13 | 11 | 10 | 11 | 9 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 13 | Moderate |
| Mar | 15 | Moderate |
| Apr | 15 | Moderate |
| May | 14 | Moderate |
| Jun | 14 | Moderate |
| Jul | 12 | Moderate |
| Aug | 13 | Moderate |
| Sep | 11 | Good |
| Oct | 10 | Good |
| Nov | 11 | Good |
| Dec | 9 | Good |
Where is Petrich?
Petrich sits at 41.4°N, 23.2°E, 185 m above sea level, in Bulgaria. The nearest listed city is Sandanski, 20 km away.
Topography around Petrich
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Petrich.
Within 3 km, the terrain around Petrich has large variations in elevation — a maximum elevation change of 684 m around an average of 234 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,986 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,873 m.
The land around Petrich is covered by trees (40%) and cropland (31%) within 3 km, trees (58%) and grassland (25%) within 16 km, and trees (57%) and cropland (20%) within 80 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
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 Petrich (41.3985°, 23.207°, elevation 185 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.