Manchester weather in September
September in Manchester: nice, rainy, with clean air — a great time to visit.
#6 of 12 months in Manchester · #341 of 604 destinations to visit in September · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Manchester climate normals — September
| Daytime high | 18°C / 64°F | 😎 nice |
|---|---|---|
| Nighttime low | 11°C / 52°F | |
| Feels like (high) | 16°C / 61°F | |
| Rainfall | 96 mm / 3.8 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 12°C / 53°F | |
| Sunshine | 7.4 h/day | |
| Daylight | 12.7 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 39 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Manchester in September — FAQ
- Is September a good time to visit Manchester?
- September in Manchester: nice, rainy, with clean air — a great time to visit. It ranks #6 of 12 months for Manchester on SeasonMap's comfort score (78/100).
- What is the weather like in Manchester in September?
- In September, Manchester averages a daily high of 17.6°C and a low of 11°C, with about 95.5 mm of rain over roughly 12.8 rainy days.
- What is the air quality in Manchester in September?
- Manchester has a mean US Air Quality Index of about 39 in September.