September · Kyrgyzstan
Best time to visit Issyk-Kul in September Weather, crowds & prices
Weather in Issyk-Kul in September
Average temperature 16°C, 36 mm of rain, about 16 days with 6+ hours of sunshine and 45% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
9.1/10
Ranked #6 of 12 months
- Avg temp
- 16°C
- Rainfall
- 36 mm
- Humidity
- 45%
- Days with 6h+ sun
- 16
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Issyk-Kul scores 9.1/10 for nature and wildlife travel - an above-average month (#6 of 12). Expect around 16°C, 36 mm of rain, and roughly 16 days with 6+ hours of sunshine this month.
Issyk-Kul is a huge mountain lake in Kyrgyzstan, ringed by Tian Shan peaks, beaches and nomad pastures.
September is one of the strongest months in Issyk-Kul (6th)
September averages 16°C (61°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Expect 36 mm of rain — occasional showers rather than washed-out days — alongside about 16 days with 6+ hours of sunshine and 12.3 daylight hours.
A 9.1/10 puts this among the year's best months in Issyk-Kul (6th of 12); only June scores higher, at 9.8/10.
Pack layers you can shed by midday plus one warm layer for the evening, footwear you can get muddy.
Figure on mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Issyk-Kul in September?
- In September, Issyk-Kul averages 16°C, 36 mm of rain, and about 16 days with 6+ hours of sunshine. Its climate-comfort score is 9.1/10.
- Is September a good time to visit Issyk-Kul?
- September earns a 9.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Issyk-Kul in September?
- Expect about 36 mm of rain in September. Average humidity is 45% and there are about 16 days with 6+ hours of sunshine.
Curated in Issyk-Kul
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Issyk-Kul, Kyrgyzstan. Live activities and tours from GetYourGuide, matched to this destination.