nomadseason

Monthly climate in Septemvri, Bulgaria

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Septemvri features a oceanic climate (Cfb). Temperatures typically range between 1 °C (34 °F) and 24 °C (75 °F) through the year, but rarely can drop to -21 °C (-5 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 658 mm (25.9 inches) and receives 101 rainy days on the 1 mm (0.04 inches) threshold annually. Septemvri enjoys an average of 3751 hours of sunshine throughout the year, and daylight varies from 9 hours 8 minutes to 15 hours 11 minutes per day.

Monthly average temperatures in Septemvri, Bulgaria

The warmest months in Septemvri are June, July and August, with daily mean temperatures ranging from 20 to 24 °C (69 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 4 °C (34 - 40 °F) throughout the day. On average each year, Septemvri experiences 91 days above 25 °C (77.0 °F) and 65 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Septemvri. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum16°C
(61°F)		20°C
(69°F)		24°C
(75°F)		27°C
(82°F)		32°C
(90°F)		37°C
(99°F)		39°C
(103°F)		39°C
(103°F)		34°C
(94°F)		31°C
(88°F)		25°C
(77°F)		16°C
(61°F)
Mean maximum13°C
(56°F)		18°C
(64°F)		21°C
(70°F)		25°C
(77°F)		30°C
(85°F)		32°C
(90°F)		36°C
(97°F)		35°C
(95°F)		32°C
(90°F)		26°C
(79°F)		21°C
(70°F)		14°C
(58°F)
Average high6°C
(43°F)		9°C
(49°F)		13°C
(55°F)		17°C
(64°F)		22°C
(73°F)		26°C
(79°F)		29°C
(85°F)		30°C
(87°F)		26°C
(79°F)		20°C
(67°F)		12°C
(55°F)		8°C
(47°F)
Daily mean1°C
(34°F)		4°C
(40°F)		7°C
(45°F)		11°C
(53°F)		17°C
(62°F)		20°C
(69°F)		23°C
(74°F)		24°C
(75°F)		19°C
(67°F)		13°C
(56°F)		8°C
(47°F)		4°C
(39°F)
Average low-3°C
(27°F)		-1°C
(31°F)		1°C
(35°F)		5°C
(41°F)		10°C
(51°F)		14°C
(58°F)		16°C
(62°F)		17°C
(63°F)		13°C
(55°F)		7°C
(45°F)		4°C
(40°F)		1°C
(33°F)
Mean minimum-11°C
(13°F)		-11°C
(12°F)		-6°C
(21°F)		-1°C
(30°F)		5°C
(42°F)		10°C
(50°F)		13°C
(55°F)		13°C
(55°F)		5°C
(41°F)		2°C
(35°F)		-2°C
(29°F)		-6°C
(22°F)
Minimum-21°C
(-5°F)		-21°C
(-5°F)		-15°C
(5°F)		-5°C
(23°F)		3°C
(38°F)		7°C
(44°F)		12°C
(53°F)		11°C
(52°F)		1°C
(34°F)		-0°C
(31°F)		-6°C
(22°F)		-8°C
(18°F)

Compare climate in Septemvri with other places

Compare temperature, precipitation, sunshine, UV index in Septemvri, Bulgaria with other places around the world.

Monthly average precipitation in Septemvri, Bulgaria

Septemvri usually has the most precipitation in March, June and December, with an average of 10 rainy days and 73 mm (2.9 inches) of precipitation per month. The driest months in Septemvri are July, August and September. On average, 33 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Septemvri. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)50 (2.0)54 (2.1)74 (2.9)62 (2.4)53 (2.1)75 (2.9)48 (1.9)27 (1.0)24 (1.0)56 (2.2)64 (2.5)70 (2.8)
Average precipitation days (≥ 1 mm)9911912118436910

Monthly sunshine hours in Septemvri, Bulgaria

The sunniest months in Septemvri are June, July and August, when the sun shines an average of 13 hours 20 minutes a day. Least sunny months in Septemvri: January, November and December receive an average of 6 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Septemvri. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours177238289345391399426402342289231219
Mean daily daylight hours9h 28m10h 34m11h 57m13h 22m14h 35m15h 11m14h 52m13h 48m12h 26m11h 1m9h 46m9h 8m

Solar UV radiation in Septemvri, Bulgaria

Septemvri experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure. January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Septemvri UV Index data.

Average daily maximum UV levels by month for Septemvri. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2478910997632