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Newquay in September: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Newquay in September will be like? Take a look at our weather guide for Newquay, based on historical data.
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September

Weather in Newquay in September 2024

OK Weather
Mild
☁️
Cloudy
If you plan to visit Newquay in September, the weather is typically alright, with an average high temperature of +17°C during the day and approximately 3 sunny days. Expect some rainy, though, as there are typically 7 rainy days in the month and around 56 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+17°C
Avg. max. temperature
+7°C
Min.
+28°C
Max.
56 mm
Total precipitation
82%
Avg. humidity
4 m/s
Avg. wind
3 ☀️
Sunny Days
20 ⛅️
Cloudy
7 🌦
Rainy
Our opinion: Newquay has OK weather in September.

Average temperature in Newquay in September

Here are the expected maximum, average and minimum temperatures in Newquay for September based on the historical data.
Last Year
Historical Data

Going from a maximum of +22°C during the day to a minimum of +9°C during the night, the temperature in September averages around +18°C.

The average maximum temperature goes down 31% by the end of the month, compared with the beginning of the month, from +21°C to +17°C.

Is Newquay warm or cold in September?

Newquay is typically mild in September.

Maximum temperatures go down compared to the previous month from +19°C to +17°C. The minimum temperature also goes down from +14°C to +13°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

September is one of the warmest months in Newquay, here is the comparison with other months:

Climate in Newquay in September

Newquay weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+19°C+17°C+15°C
Min. temperature
+9°C+7°C+2°C
Max. temperature
+32°C+28°C+24°C
Rainfall
55 mm56 mm88 mm
Wind
3 m/s4 m/s5 m/s
Humidity
82%82%83%
Air pressure
1015 HPa1015 HPa1012 HPa
Sunny days
332
Cloudy days
222019
Rainy days
6710
Snowy days
000

September weather is still as ok as in August. It’s getting colder in September. From +19°C in the day, the average maximum temperature lowers to +17°C. Prepare for more rain. Average rainfall goes from 55 mm to 56 mm. Humidity levels don’t change as the month goes on, averaging around 82%. Winds are stronger in comparison to August, going up from 3 m/s to 4 m/s on average. The amount of sunny days stay about the same, averaging 3 sunny days during the month.

October brings much the same weather, it remains ok.

Wind

Wind speed in Newquay in September based on historical data.
Last Year
Historical Data

The average wind speed is 5 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Newquay is gradually increasing during September, going from 3 m/s to 6 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Newquay based on historical data.
Last Year
Historical Data
Total precipitation in September is about 89 mm, with a 63% chance of rain on a typical day. The maximum amount of rainfall per day is around 10 mm, which is considered light rain. September is a pretty wet month with over 19 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Newquay wettest month is December, where a typical day has a 35% chance of precipitation and 88 mm of rainfall per day. July, on the other hand, is the driest month with a mere 16% chance of precipitation and 50 mm of rainfall per day.

How was the weather last September in Newquay?

This is the weather in Newquay in September 2023:
1 September
☁️
+21°C
2 September
☀️
+22°C
3 September
🌧️
+18°C
4 September
🌧️
+21°C
5 September
🌧️
+21°C
6 September
🌧️
+19°C
7 September
🌧️
+19°C
8 September
🌧️
+18°C
9 September
☁️
+19°C
10 September
☀️
+20°C
11 September
🌧️
+20°C
12 September
☀️
+22°C
13 September
🌧️
+20°C
14 September
☀️
+19°C
15 September
☁️
+17°C
16 September
☀️
+17°C
17 September
☀️
+17°C
18 September
☀️
+17°C
19 September
☀️
+19°C
20 September
☀️
+20°C
21 September
☀️
+20°C
22 September
☁️
+19°C
23 September
☁️
+19°C
24 September
☀️
+17°C
25 September
☀️
+17°C
26 September
☁️
+16°C
27 September
🌧️
+16°C
28 September
🌧️
+15°C
29 September
☀️
+18°C
30 September
☀️
+17°C
In September 2023 Newquay had 14 sunny days, 6 cloudy days, and 10 rainy days. The average maximum temperature was +18°C, with an absolute maximum of +22°C and a minimum of +15°C. The average humidity was 81%, with a maximum of 100% and a minimum of 51%. The average wind speed was 5 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change over Years

This is how Newquay climate have been changing during last 43 years period.

The climate in Newquay in September has not changed much over the last 43 years.

The average temperature was the lowest in 1992 (+17°C) and the highest in 2014 (+21°C). The driest year was 2014 with only 6 mm of rainfall, and the wettest year was 2000 with 145 mm.

FAQ

Frequently asked questions about the weather in Newquay in September:

Is September a good time to visit Newquay?

It’s always a good time to visit Newquay, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Newquay in September?

September has mild temperatures in Newquay. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Newquay rainy in September?

Newquay is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Newquay in September?

Usually, it’s not very sunny in Newquay in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in United Kingdom

Check out the weather for other cities in United Kingdom.

Monthly weather in Newquay

Source of the data

For this page, we’ve looked at the typical weather in Newquay, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.