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Lowestoft Weather in September
Lowestoft in September sees pleasant temperatures, with highs around 18°C (64°F) and overnight lows of 14°C (57°F). Rainfall is fairly high at around 75 mm (3 in) on average, so pack waterproofs just in case.
Rainfall in Lowestoft in September
You can expect rain on around 12 days based on historical patterns, with 75 mm (3 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Lowestoft in September
In September, Lowestoft gets pleasant temperatures, with highs of 18°C (64°F). Nights cool to around 14°C (57°F). September is known for being in the summer season. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to around 14°C (57°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 Lowestoft in September
With about 148 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.Our weather planner can help you find worldwide destinations with pleasant weather during this period. August typically offers the best weather for Lowestoft.
Lowestoft Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
18°C (64°F)
Chance of Rain
41%
Precipitation
75 mm (3 in)
Rainy days
12 days
Sunshine
148 hours
Percentage Sunshine
Lowestoft Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Lowestoft - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Lowestoft 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 records for Lowestoft in September
Browse day-by-day weather records for Lowestoft spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Lowestoft historical weather extremes in September
According to our 50 years of weather records for Lowestoft, the following extremes were recorded between 1976 and 2026.
- On September 9, 2023, temperatures climbed to 30°C (86°F), marking the warmest September day on record.
- The lowest daytime temperature in September was 11°C (52°F), recorded on September 25, 2020.
- Lowestoft registered its coldest September night on September 24, 2003, with temperatures dropping to 3°C (37°F).
- Peak precipitation in September occurred on September 25, 2020, when 49 mm (1.9 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 →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Lowestoft in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Lowestoft in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Lowestoft 3-Day Forecast
More climate data for Lowestoft
See the full Lowestoft climate overview or explore weather in the United Kingdom.
Popular in September
Where to go in September - average daytime high across popular destinations.
London
20°C (68°F) Bath19°C (66°F) Torquay19°C (66°F) Manchester
18°C (64°F) York19°C (66°F) Edinburgh17°C (63°F) Blackpool17°C (63°F) Glasgow17°C (63°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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