Liverpool weather in September
September in Liverpool: nice, rainy, with clean air — a great time to visit.
#6 of 12 months in Liverpool · #339 of 604 destinations to visit in September · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Liverpool climate normals — September
| Daytime high | 18°C / 64°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 54°F | |
| Feels like (high) | 16°C / 61°F | |
| Rainfall | 113 mm / 4.4 in | 🌧 rainy |
| Rainy days | 15 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 12°C / 53°F | |
| Sunshine | 8 h/day | |
| Daylight | 12.7 h | |
| Wind | 24 km/h / 15 mph | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Liverpool in September — FAQ
- Is September a good time to visit Liverpool?
- September in Liverpool: nice, rainy, with clean air — a great time to visit. It ranks #6 of 12 months for Liverpool on SeasonMap's comfort score (78/100).
- What is the weather like in Liverpool in September?
- In September, Liverpool averages a daily high of 17.5°C and a low of 12.1°C, with about 112.5 mm of rain over roughly 15.4 rainy days.
- What is the air quality in Liverpool in September?
- Liverpool has a mean US Air Quality Index of about 40 in September.