Climate averages 1991–2020
Gyumri weather
in September.
A mild, fairly dry month: the 3rd warmest and the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Gyumri: daytime highs average 20.9°C and nights cool to about 8.4°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 28 mm of rain on roughly 7 days, which makes September a fairly dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 30 min on an average September day.
The nearest other city in this atlas is Vanadzor (55 km away). In September its highs average 19.3°C, 1.6°C cooler than Gyumri, with 73 mm of rain.
Among the 3 cities listed in Armenia, Gyumri ranks 2nd of 3 for the warmest September highs and 2nd of 3 for the driest September (rainfall, lowest first). The mean September high of those 3 cities is 21.9°C; Gyumri is 0.9°C cooler than that mean.
From September to October, average highs fall by 6.2°C to 14.7°C, and monthly rainfall rises from 28 mm to 43 mm.
The annual picture
September in context
Monthly precipitation
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
Gyumri climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -2.0°C-10.9°C | -10.9°C | 32 | 7.3 | 9.610 h |
| February | -0.3°C-9.5°C | -9.5°C | 37 | 8.0 | 10.611 h |
| March | 4.8°C-4.6°C | -4.6°C | 69 | 13.3 | 11.912 h |
| April | 11.4°C0.6°C | 0.6°C | 106 | 18.1 | 13.313 h |
| May | 16.5°C5.1°C | 5.1°C | 119 | 20.7 | 14.414 h |
| June | 20.8°C8.7°C | 8.7°C | 79 | 15.4 | 15.015 h |
| July | 24.0°C11.7°C | 11.7°C | 57 | 12.8 | 14.815 h |
| August | 24.6°C11.8°C | 11.8°C | 40 | 10.6 | 13.814 h |
| September, selected | 20.9°C8.4°C | 8.4°C | 28 | 6.7 | 12.513 h |
| October | 14.7°C4.3°C | 4.3°C | 43 | 8.7 | 11.211 h |
| November | 6.3°C-1.9°C | -1.9°C | 35 | 6.6 | 10.010 h |
| December | 0.1°C-7.8°C | -7.8°C | 34 | 6.8 | 9.39 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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
- Vanadzor in SeptemberArmenia · 55 kmHigh 19.3°C · Low 10.2°C · 73 mm rain
- Kars in SeptemberTurkey · 68 kmHigh 20.7°C · Low 7.7°C · 34 mm rain
- Yerevan in SeptemberArmenia · 89 kmHigh 25.4°C · Low 12.8°C · 8.4 mm rain
- Iğdır in SeptemberTurkey · 98 kmHigh 27.1°C · Low 14.3°C · 15 mm rain
- Rustavi in SeptemberGeorgia · 128 kmHigh 26.0°C · Low 15.7°C · 21 mm rain
- Tbilisi in SeptemberGeorgia · 130 kmHigh 24.6°C · Low 14.7°C · 51 mm rain
- Ağrı in SeptemberTurkey · 138 kmHigh 23.3°C · Low 9.6°C · 18 mm rain
- Doğubayazıt in SeptemberTurkey · 140 kmHigh 24.1°C · Low 12.1°C · 16 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 Gyumri) is explained once on the Gyumri year overview and on the Sources, method and limits page.