Climate averages 1991–2020
Derbent weather
in September.
A warm, moderately wet month: the 4th warmest and the wettest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Derbent: daytime highs average 22.9°C and nights cool to about 18.5°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 59 mm of rain on roughly 7 days, which makes September a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 32 min on an average September day.
The nearest other city in this atlas is Kaspiysk (105 km away). In September its highs average 22.9°C, about as warm as Derbent, with 46 mm of rain.
Among the 236 cities listed in Russia, Derbent ranks joint 11th of 236 for the warmest September highs and joint 165th of 236 for the driest September (rainfall, lowest first). The mean September high of those 236 cities is 16.4°C; Derbent is 6.6°C warmer than that mean.
From September to October, average highs fall by 5.4°C to 17.5°C, and monthly rainfall falls from 59 mm to 47 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Derbent climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.4°C1.5°C | 1.5°C | 27 | 7.0 | 9.59 h |
| February | 5.5°C1.3°C | 1.3°C | 33 | 7.2 | 10.511 h |
| March | 8.5°C4.1°C | 4.1°C | 33 | 7.2 | 11.912 h |
| April | 12.8°C8.1°C | 8.1°C | 26 | 5.9 | 13.313 h |
| May | 18.8°C14.0°C | 14.0°C | 31 | 7.0 | 14.515 h |
| June | 24.3°C19.3°C | 19.3°C | 28 | 5.0 | 15.215 h |
| July | 27.4°C22.4°C | 22.4°C | 23 | 3.9 | 14.915 h |
| August | 27.5°C22.6°C | 22.6°C | 33 | 5.1 | 13.914 h |
| September, selected | 22.9°C18.5°C | 18.5°C | 59 | 7.0 | 12.513 h |
| October | 17.5°C13.3°C | 13.3°C | 47 | 7.9 | 11.111 h |
| November | 11.3°C7.5°C | 7.5°C | 43 | 8.0 | 9.910 h |
| December | 7.3°C3.5°C | 3.5°C | 31 | 7.0 | 9.29 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Kaspiysk in SeptemberRussia · 105 kmHigh 22.9°C · Low 18.4°C · 46 mm rain
- Makhachkala in SeptemberRussia · 120 kmHigh 22.8°C · Low 17.9°C · 65 mm rain
- Mingachevir in SeptemberAzerbaijan · 177 kmHigh 27.2°C · Low 19.2°C · 53 mm rain
- Yevlakh in SeptemberAzerbaijan · 187 kmHigh 28.3°C · Low 18.3°C · 48 mm rain
- Khasavyurt in SeptemberRussia · 191 kmHigh 23.1°C · Low 15.0°C · 89 mm rain
- Sumgayit in SeptemberAzerbaijan · 201 kmHigh 24.3°C · Low 20.3°C · 21 mm rain
- Khirdalan in SeptemberAzerbaijan · 218 kmHigh 24.6°C · Low 19.7°C · 21 mm rain
- Ganja in SeptemberAzerbaijan · 223 kmHigh 23.6°C · Low 15.1°C · 44 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Derbent) is explained once on the Derbent year overview and on the Sources, method and limits page.