Bulgaria weather in September - temperature, rain and is it a good time to visit?

September is one of the best months for a holiday in Bulgaria.
Daytime
25°
Night
13°
☀️ Day length
12 h 32 min
Chance of rain
34%
Thunder days
9%
Humid days
54%
WEATHER THROUGH THE YEARBulgaria - September vs the year-3°12°18°23°12°26°15°29°17°30°17°25°13°18°13°-1°CHANCE OF RAIN (%)343952425142312334384029JanFebMarAprMayJunJulAugSepOctNovDecWARMESTAug (30°)COLDESTJan (5°)DRIESTAug (23%)WETTESTMar (52%)world-prices.com · 2026-07-08 · ★ best months
In September, Bulgaria averages about 25° during the day and 13° at night. There's a moderate chance of rain (about 34%).

Bulgaria weather all year - average temperatures and rain

MonthDayNightChance of rain
January 5℃-3℃34%
February 9℃1℃39%
March 12℃3℃52%
April ★ 18℃6℃42%
May ★ 23℃12℃51%
June ★ 26℃15℃42%
July ★ 29℃17℃31%
August ★ 30℃17℃23%
September 25℃13℃34%
October ★ 18℃8℃38%
November ★ 13℃4℃40%
December 8℃-1℃29%
★ - months most often recommended for travel

Where is it warmest in Bulgaria in September? Weather by city

PlaceDayNight🌊 SeaChance of rain
Plovdiv 26℃14℃-34%
Velikoturnovo 25℃11℃-35%
Burgas 25℃15℃25℃30%
Gabrovo 25℃11℃-35%
Sliven 25℃15℃-31%
Varna 25℃14℃25℃30%
Shumen 25℃14℃-30%
Dobrich 25℃14℃-30%
Sofia 24℃11℃-43%
Vratsa 24℃11℃-43%
Travelling soon? Check the live 14-day weather forecast for Bulgaria.

Bulgaria weather - other months

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember