Arrinj Weather in September
September in Arrinj averages 25°C (77°F) during the day and 12°C (54°F) at night. With just 16 mm (0.6 in) of rainfall on average, it doesn't get much drier than this.
Rainfall in Arrinj in September
The risk of rain is at its lowest this month, making it a reliable choice for outdoor plans. Historically, approximately 5 days this month are expected to have rain, averaging 16 mm (0.6 in). When rain does fall, showers tend to be light and brief. Most days will be dry.
Temperature in Arrinj in September
September tends to be one of the perfect months in Arrinj, with 25°C (77°F) in the afternoon and 12°C (54°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Arrinj in September
There are approximately 292 hours of sunshine this month, resulting in mostly clear days.
Wind Speed in Arrinj in September
Wind speeds average 1 m/s (2 knots) during September. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Armenia, check out our Arrinj's climate page.
Arrinj Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
25°C (77°F)
Chance of Rain
18%
Precipitation
16 mm (0.6 in)
Rainy days
5 days
Humidity
51% *
Windspeed
1 m/s (2 knots) *
Sunshine
292 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Arrinj typically drop from around 32°C (90°F) at the start of September to approximately 26°C (79°F) by the end. Nights are cool, with lows typically ranging from 11°C (52°F) to 17°C (63°F).
Average temperatures in September
Historical weather for Arrinj in September
Browse day-by-day weather records for Arrinj spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Arrinj historical weather extremes in September
Based on weather observations in Arrinj between 1998 and 2025, these are the recorded extremes during September.
- On September 1, 2006, temperatures climbed to 39°C (102°F), marking the warmest September day on record.
- The coldest September day was on September 28, 2009, with a maximum of 13°C (55°F).
- Nighttime temperatures dropped to 3°C (37°F) on September 25, 2016, marking the coldest September night on record.
Best Places in Armenia in September
Find out more about the weather in Armenia and which places have the best travel conditions in this month. See all of Armenia in September →
perfect weather
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What to Wear in Arrinj in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Arrinj in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Armenia, check out our Arrinj's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Arrinj climate overview or explore weather in Armenia.
