Liverpool Weather in September
September in Liverpool typically sees daytime highs of 18°C (64°F) and nighttime lows of 12°C (54°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Liverpool in September
You can expect rain on roughly 15 days based on historical data, averaging 95 mm (3.7 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Liverpool in September
Expect highs of 18°C (64°F) in Liverpool in September, with nights dropping to around 12°C (54°F). Conditions are often most pleasant around the middle of the day. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Liverpool in September
The month brings about 132 hours of sunlight, offering a comfortable mix of sun and overcast.If your ideal day consists of dry skies and pleasant temperatures, July typically offers the best circumstances for Liverpool.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Liverpool's climate page.
Liverpool Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
18°C (64°F)
Chance of Rain
51%
Precipitation
95 mm (3.7 in)
Rainy days
15 days
Humidity
82%
Sunshine
132 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Liverpool typically stay consistent throughout September, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 12°C (54°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Liverpool in September
Browse day-by-day weather records for Liverpool spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Liverpool historical weather extremes in September
Based on 49 years of weather observations in Liverpool between 1976 and 2025, these are the recorded extremes.
- The hottest September day on record in Liverpool reached 29°C (84°F) (September 8, 2021).
- The coldest September day was on September 11, 1976, with a maximum of 10°C (50°F).
- Nighttime temperatures dropped to -1°C (30°F) on September 16, 1986, marking the coldest September night on record.
- Peak precipitation in September occurred on September 24, 2012, when 45 mm (1.8 in) of precipitation was measured.
Best Places in the United Kingdom in September
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in September →
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What to Wear in Liverpool in September
For Liverpool in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Liverpool in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Liverpool's climate page.
Temperature Rainfall Sunshine Humidity
See the full Liverpool climate overview or explore weather in the United Kingdom.
