Normal weather for Chester in September
It's warm in September in Chester with an average temperature of 23°C. Temperatures this month range from a low of 19°C to a high of 28°C. At night, you can expect temperatures between 8°C and 16°C.
In September, there is an average of 112 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the South.
Chester in September |
London | ||
|---|---|---|---|
 Average Temperature |
23°C | 20°C | |
 High Temp |
28°C | 22°C | |
| Low Temp |
19°C | 17°C | |
 Total Precipitation |
112 mm | 44 mm | |
| Rainy Days |
12 days | 8 days | |
Start of September
The month of September starts in Chester with warm temperatures, averaging around 25°C during the day and nights close to 14°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers. A T-shirt, light trousers or skirt, and a light jacket are perfect for daytime. In the evening and morning, we recommend a light coat, jumper or cardigan, and long trousers.
Mid-September
By mid-September, the average daytime temperature stays the same at 25°C, with nights close to 13°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
Temperatures vary between day and night, so it’s smart to wear layers. A T-shirt, light trousers or skirt, and a light jacket are perfect for daytime. In the evening and morning, we recommend a light coat, jumper or cardigan, and long trousers.
End of September
By the end of September, the average daytime temperature in Chester will be around 22°C, with nights close to 11°C. A shower might show up, but overall the weather will be dry and sunny.
As it gets cooler in the evening, it’s best to wear layers. A T-shirt, light trousers or skirt, and a light jacket are perfect for daytime. In the evening and morning, we recommend a light coat, jumper or cardigan, and long trousers.
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UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Chester?
After some sun? Then September isn’t the best time to be in Chester. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Chester in September
With 38°C, Chester hit the highest temperature in the last 10 years in September 2023. The lowest daytime temperature in this month was 7°C in 2018. The extreme night temperatures ranged from a low of 1°C to a high of 23°C.
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Daily Temperature in September in Chester
This chart shows the average daily temperatures, both day and night, for each day in September in Chester, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Chester
The chart below shows the average daily precipitation in September for Chester, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 12 days of rain in Chester.
Daily UV Index in September in Chester
This chart shows the average daily UV index in September in Chester, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Chester Over the Years
This chart shows the average temperature in September in Chester, measured in degrees Celsius, over the past years.
Total Precipitation in September in Chester Over the Years
This chart shows the average precipitation in September in Chester, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Chester
Click on a specific day in September for detailed info on the typical weather on that day in Chester. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Chester
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Average Weather in Chester by Month
Click on a month below to see detailed weather info for Chester. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
