Climate averages 1991–2020

Vanadzor weather
in September.

A mild, moderately wet month: the 4th warmest and the 6th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 19.3°C Daytime mean, September

Average low 10.2°C Night-time mean, September

Rainfall 73 mm 13 days with ≥1 mm

Daylight 13 h Sunrise to sunset, per day

September is a mild month in Vanadzor: daytime highs average 19.3°C and nights cool to about 10.2°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 73 mm of rain on roughly 13 days, which makes September a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 30 min on an average September day.

The nearest other city in this atlas is Gyumri (55 km away). In September its highs average 20.9°C, 1.6°C warmer than Vanadzor, with 28 mm of rain.

Among the 3 cities listed in Armenia, Vanadzor ranks 3rd of 3 for the warmest September highs and 3rd of 3 for the driest September (rainfall, lowest first). The mean September high of those 3 cities is 21.9°C; Vanadzor is 2.6°C cooler than that mean.

From September to October, average highs fall by 4.3°C to 15.0°C, and monthly rainfall falls from 73 mm to 65 mm.

The annual picture

September in context

30-year average

Average highAverage low°C

Monthly precipitation

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Vanadzor climate table

1991–2020

Monthly climate averages for Vanadzor, 1991–2020
Month	Average highHigh / low	Average low	Precipitation mm/month	Wet days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	0.5°C-9.8°C	-9.8°C	36	6.8	9.610 h
February	1.7°C-8.1°C	-8.1°C	46	8.1	10.611 h
March	6.1°C-3.6°C	-3.6°C	91	13.9	11.912 h
April	11.8°C1.4°C	1.4°C	137	19.2	13.313 h
May	16.5°C6.6°C	6.6°C	168	23.5	14.414 h
June	19.8°C10.7°C	10.7°C	161	22.2	15.015 h
July	21.8°C13.6°C	13.6°C	113	19.4	14.815 h
August	22.4°C13.8°C	13.8°C	84	18.1	13.814 h
September, selected	19.3°C10.2°C	10.2°C	73	12.9	12.513 h
October	15.0°C5.5°C	5.5°C	65	11.1	11.211 h
November	8.0°C-1.4°C	-1.4°C	48	7.9	10.010 h
December	2.6°C-7.1°C	-7.1°C	38	6.4	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

Distance from Vanadzor

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 limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Vanadzor) is explained once on the Vanadzor year overview and on the Sources, method and limits page.