September Weather in Sisavan, Armenia

Last updated: August 22, 2025

In September, the average temperature in Sisavan, Armenia is a pleasant 19°C (67°F). Daily highs can reach up to 34°C (93°F), while lows can dip to 6°C (43°F). Expect 15 mm (0.6 in) of precipitation spread over about 4 days, and enjoy an average humidity of 54%.

September Temperature in Sisavan

In September in Sisavan, the average temperature is 19°C (67°F). Maximum temperatures can reach 34°C (93°F), while the minimum can drop to as low as 6°C (43°F). Be sure to pack layers to enjoy both warm days and cooler evenings during your travels.

September Weather in Sisavan: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sisavan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sisavan, September typically has an average temperature of 19°C (67°F), with highs reaching up to 34°C (93°F) and lows dropping to around 6°C (43°F).

Data source: Temperature data for Sisavan generated using information from the Copernicus Climate Change Service.

September Precipitation in Sisavan

In Sisavan in September, the precipitation amount is 15 mm (0.6 in) occurring over the course of 4 days.

September Precipitation Trends in Sisavan

The chart displays monthly precipitation patterns in Sisavan, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Sisavan, September typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 4 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Sisavan

In Sisavan in September, humidity is 54%. With an average temperature of 19°C (67°F), this humidity feels like a gentle embrace—a refreshing yet slightly damp sensation that invigorates while traveling, making it perfect for exploring the sights without feeling too stifled.

September Average Humidity in Sisavan

This chart illustrates the average monthly humidity levels in Sisavan, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Sisavan is approximately 54%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sisavan

In Sisavan in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sisavan.

Maximum UV Index Levels in Sisavan for September

The chart shows the monthly maximum UV Index (UVI) for Sisavan in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Sisavan typically reaches 9, which falls under the very high exposure category.

Data source: Sisavan September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How September Weather in Sisavan Compares to Other Months

Weather in Sisavan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sisavan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sisavan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	30 mm (1.2 inches)	90%	moderate
February Weather	-1°C (30°F)	42 mm (1.6 inches)	90%	moderate
March Weather	4°C (39°F)	94 mm (3.7 inches)	87%	very high
April Weather	9°C (49°F)	89 mm (3.5 inches)	79%	very high
May Weather	15°C (59°F)	94 mm (3.7 inches)	75%	extreme
June Weather	21°C (69°F)	27 mm (1.0 inches)	59%	extreme
July Weather	24°C (75°F)	38 mm (1.5 inches)	58%	extreme
August Weather	23°C (74°F)	28 mm (1.1 inches)	49%	very high
September Weather	19°C (67°F)	15 mm (0.6 inches)	54%	very high
October Weather	12°C (53°F)	36 mm (1.4 inches)	69%	high
November Weather	4°C (40°F)	33 mm (1.3 inches)	78%	moderate
December Weather	0°C (31°F)	49 mm (1.9 inches)	88%	moderate