Septemvri climate — normals and trends
Septemvri (Bulgaria) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.3 °C and it receives 731 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (20.5 °C on average) and the coldest is January (-0.9 °C). Rainfall peaks in May.
Septemvri averages 96 frost days, 10 hot days (≥ 30 °C) and 124 rainy days per year.
Septemvri has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 109 to 83 per year over the period.
The hottest day of the period reached 39.2 °C (on 5 July 2000) and the coldest -27.4 °C (on 13 January 1950).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
SeptemvriPazardzhik
- coords
- 42.22°, 24.12°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.3°C
Average daily high
15.3°C
Average daily low
5.4°C
Annual rainfall
731mm
Sunshine / day
9.8h
Mean relative humidity
71%
Average peak wind
9.0km/h
Seasonal range
21.4°C
Frost days (< 0 °C)
96 d/yr
Hot days (≥ 30 °C)
10 d/yr
Rainy days (≥ 1 mm)
124 d/yr
Annual snowfall
105.1 cm
Average feels-like high
14.2 °C
Average feels-like low
3.2 °C
Average peak gust
26.6 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
14.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.49 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
39.2 °C
5 July 2000
Coldest day
-27.4 °C
13 January 1950
Wettest day
59 mm
8 October 2006
Windiest day
31.5 km/h
2 April 1944
Strongest gust
83.5 km/h
28 January 2008
Hottest feels-like
41.5 °C
5 July 2000
Coldest feels-like
-32.0 °C
13 January 1950
Snowiest day
29.8 cm
7 March 2015
Sunniest day
15.0 h
24 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 8.1 °C | +4.7 °C | 39 mm | -18 mm |
| Feb | 5.6 °C | -0.2 °C | 24 mm | -30 mm |
| Mar | 15.4 °C | +5.7 °C | 60 mm | -9 mm |
| Apr | 15.8 °C | +0.6 °C | 89 mm | +17 mm |
| May | 20.2 °C | +0.4 °C | 168 mm | +85 mm |
| Jun | 29.1 °C | +5.4 °C | 6 mm | -67 mm |
| Jul | 31.8 °C | +5.8 °C | 54 mm | +2 mm |
| Aug | 28.9 °C | +2.6 °C | 27 mm | -13 mm |
| Sep | 25.8 °C | +3.6 °C | 19 mm | -23 mm |
| Oct | 15.4 °C | -1.0 °C | 123 mm | +68 mm |
| Nov | 13.6 °C | +3.3 °C | 91 mm | +26 mm |
| Dec | 7.8 °C | +2.7 °C | 87 mm | +18 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Septemvri?
Septemvri has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 10.3 °C and it receives 731 mm of precipitation per year.
What is the hottest day ever recorded in Septemvri?
The hottest day measured in Septemvri between 1940 and 2025 was 5 July 2000, reaching 39.2 °C.
What is the coldest day in Septemvri?
The coldest day measured in Septemvri between 1940 and 2025 was 13 January 1950, at -27.4 °C.
Does it snow in Septemvri?
Yes. Septemvri gets on average 105.1 cm of snow per year and has around 96 frost days.
Has the climate of Septemvri warmed?
Yes: Septemvri warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Septemvri?
The wettest day measured in Septemvri between 1940 and 2025 was 8 October 2006, with 59 mm of rain in 24 hours.
What was the windiest day in Septemvri?
The windiest day measured in Septemvri between 1940 and 2025 was 2 April 1944, with winds reaching 31.5 km/h.
What is the warmest month in Septemvri?
The warmest month in Septemvri is July (20.5 °C on average); the coldest is January (-0.9 °C).
How much does it rain in Septemvri?
Septemvri receives on average 731 mm of precipitation per year, spread over about 124 rainy days.
Is it sunny in Septemvri?
Septemvri gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
What is the biggest single-day snowfall in Septemvri?
The heaviest 24-hour snowfall measured in Septemvri between 1940 and 2025 was 7 March 2015, with 29.8 cm.
Are there tropical nights in Septemvri?
Yes: Septemvri has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Septemvri?
In Septemvri, between 1940 and 2025, the highest apparent temperature reached 41.5 °C on 5 July 2000, and the lowest was -32.0 °C on 13 January 1950.
Compare Septemvri with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Septemvri