Newquay Weather in September
In Newquay, September brings pleasant daytime temperatures around 19°C (66°F), with nights cooling to 13°C (55°F). Expect quite a bit of rainfall this month.
Rainfall in Newquay in September
Historically, the month has about 15 days of rain, averaging 70 mm (2.8 in) in total. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Newquay in September
In September, expect pleasant temperatures in Newquay, with highs of 19°C (66°F) and lows of 13°C (55°F) at night. The month of September belongs to the summer season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Newquay in September
The city usually sees around 165 hours of sunlight, indicating a moderately sunny period.If you prefer enjoying temperate temperatures and rain-free days, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Newquay's climate page.
Newquay Temperature in September
Min Temperature
13°C (55°F)
Max Temperature
19°C (66°F)
Chance of Rain
50%
Precipitation
70 mm (2.8 in)
Rainy days
15 days
Sunshine
165 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Newquay typically stay consistent throughout September, with daily highs averaging around 19°C (66°F). Nights are cool, with lows around 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 Newquay in September
Browse day-by-day weather records for Newquay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Newquay historical weather extremes in September
Based on 49 years of weather observations in Newquay between 1976 and 2025, these are the recorded extremes.
- The hottest September day on record in Newquay reached 27°C (81°F) (September 7, 2021).
- The coldest September day was on September 15, 1986, with a maximum of 10°C (50°F).
- Newquay registered its coldest September night on September 27, 2007, with temperatures dropping to 5°C (41°F).
- The wettest September day on record brought 38 mm (1.5 in) of precipitation to Newquay (September 15, 2000).
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 Newquay in September
For Newquay 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. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Newquay 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 Newquay's climate page.
See the full Newquay climate overview or explore weather in the United Kingdom.
