Detailed weather forecast for Shumen, Bulgaria: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Shumen
today☀️31°💧 2.5 mm
Sun☀️28°💧 0.2 mm
Mon☀️27°💧 2.3 mm
Tue☁️27°💧 0.5 mm
Wed☀️26°💧 0.8 mm
Thu☀️26°night 17°
Fri☀️26°💧 0.4 mm
Sat☀️31°💧 7.6 mm
Forecast vs 1991-2020 climate normal
How does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
NASA POWER
Saturday 5 Sept in Shumen, the forecast high is 31°C. Typical daytime temperatures at this time of year range from 23°C to 30°C, so it will be exceptionally warm. It is warmer than 90% of similar days.
31°Cexceptionally warm
usually 23°C–30°C
warmer than 90% of similar days
night: exceptionally warmrain: more rain than usualwind: exceptionally light
28°Cnear normal
usually 23°C–30°C
night: exceptionally warmrain: more rain than usualwind: typical
27°Cnear normal
usually 23°C–30°C
night: warmer than usualrain: more rain than usualwind: typical
27°Cnear normal
usually 23°C–29°C
night: exceptionally warmrain: more rain than usualwind: stronger than usual
26°Cnear normal
usually 23°C–29°C
night: exceptionally warmrain: more rain than usualwind: typical
26°Cnear normal
usually 22°C–29°C
night: exceptionally warmrain: less rain than usualwind: typical
26°Cnear normal
usually 22°C–29°C
night: exceptionally warmrain: more rain than usualwind: typical
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
From 1981 to 2025, the 5-11 Sept period averaged 26°C by day. The coolest year was 1996 (20°C) and the warmest was 2008 (31°C). The current forecast averages 27°C - higher than in 71% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
Weather warnings - Shumen
No active weather warnings for Shumen (region: Silistra). The national weather service is not forecasting dangerous conditions.
14-day forecast - Shumen
Shumen 30 & 45-day weather - long-range outlook
Next 16 days · forecast
27°
around 18° at night · days with rain: 3
Weeks 3-4 · avg for September
25°
around 14° at night · rain chance 30%
Weeks 5-7 · avg for October
17°
around 9° at night · rain chance 36%
The 30 & 45-day outlook for Shumen: the next 16 days are a numerical forecast updated daily - on average 27° by day and 18° at night. Further out we rely on multi-year climate averages: around 25° in September, and about 17° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Shumen
Saturday5 September 2026
☀️31°clear sky
sunrise 06:40 · sunset 19:41 · night 22° · evening 30° · rain 2.49 mm · humidity 21% · wind 3 m/s · clouds 1%
Sunday6 September 2026
☀️28°clear sky
sunrise 06:41 · sunset 19:40 · night 18° · evening 28° · rain 0.21 mm · humidity 33% · wind 6 m/s · clouds 7%
Monday7 September 2026
☀️27°clear sky
sunrise 06:42 · sunset 19:38 · night 16° · evening 25° · rain 2.28 mm · humidity 36% · wind 6 m/s · clouds 2%
Tuesday8 September 2026
☁️27°broken clouds
sunrise 06:43 · sunset 19:36 · night 19° · evening 24° · rain 0.48 mm · humidity 34% · wind 8 m/s · clouds 58%
Wednesday9 September 2026
☀️26°clear sky
sunrise 06:45 · sunset 19:34 · night 17° · evening 25° · rain 0.84 mm · humidity 33% · wind 6 m/s · clouds 54%
Today the UV index in Shumen is 6 (high) - unprotected fair skin can burn in about 35 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.
Pollen in Shumen - info for allergy sufferers
Today ragweed pollen is highest in Shumen - about 37 grains/m³, high level. Allergy sufferers should limit time outdoors on dry, windy days and take medication as advised. Pollen levels are a CAMS model forecast and are indicative.
Shumen weather through the year
Warmest, driest months on average: April, May, June, July.
Upcoming public holidays in Bulgaria: Unification Day — 7 September · Independence Day — 22 September · Christmas Eve — 24 December.