Osh weather in September
September in Osh: warm, dry — one of the best months to visit.
#1 of 12 months in Osh · #15 of 604 destinations to visit in September · comfort 94/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Osh climate normals — September
| Daytime high | 26°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 12°C / 54°F | |
| Feels like (high) | 25°C / 77°F | |
| Rainfall | 20 mm / 0.8 in | ☀️ dry |
| Rainy days | 5 days | |
| Humidity | 51% | 🍃 comfortable |
| Dew point | 8°C / 46°F | |
| Sunshine | 11 h/day | |
| Daylight | 12.5 h | |
| Wind | 9 km/h / 6 mph | |
| Air quality (US AQI) | 56 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Osh?
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Osh in September — FAQ
- Is September a good time to visit Osh?
- September in Osh: warm, dry — one of the best months to visit. It ranks #1 of 12 months for Osh on SeasonMap's comfort score (94/100).
- What is the weather like in Osh in September?
- In September, Osh averages a daily high of 25.5°C and a low of 12.1°C, with about 20.2 mm of rain over roughly 4.6 rainy days.
- What is the air quality in Osh in September?
- Osh has a mean US Air Quality Index of about 56 in September.