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Normal weather for Yanshan in September

It's hot in September in Yanshan with an average temperature of 32°C. Temperatures this month range from a low of 29°C to a high of 33°C. At night, you can expect temperatures between 20°C and 24°C.

In September, there is an average of 104 mm of precipitation, spread over 14 days. The wind speed is around 3 Bft, mostly coming from the South.

Yanshan in September

London
Temperature Average Temperature
32°C 20°C
Sun High Temp
33°C 22°C
Sun Low Temp
29°C 17°C
Rain Total Precipitation
104 mm 44 mm
Rain Rainy Days
14 days 8 days

Start of September

The month of September starts in Yanshan with hot temperatures, averaging around 33°C during the day and nights close to 24°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.

Mid-September

By mid-September, the average daytime temperature drops to around 32°C, with nights close to 23°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.

End of September

By the end of September, the average daytime temperature in Yanshan will be around 31°C, with nights close to 22°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. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. In the evening and morning, a T-shirt, light trousers or skirt, and a light jacket are recommended.

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UV index

The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Is September a good time to visit Yanshan?

After some sun? Then September isn’t the best time to be in Yanshan. The temperature is pleasant, but there’s too much chance of rain this month.

The typhoon season in Yanshan runs from June to November.

Temperature records for Yanshan in September

With 40°C, Yanshan hit the highest temperature in the last 10 years in September 2017. The lowest daytime temperature in this month was 16°C in 2016. The extreme night temperatures ranged from a low of 13°C to a high of 27°C.

Check out the climate of Yanshan for all months and discover the best travel time

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Daily Temperature in September in Yanshan

This chart shows the average daily temperatures, both day and night, for each day in September in Yanshan, 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 Temperature in September in Yanshan

Daily Precipitation in September in Yanshan

The chart below shows the average daily precipitation in September for Yanshan, 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 14 days of rain in Yanshan.

Daily Precipitation in September in Yanshan

Daily UV Index in September in Yanshan

This chart shows the average daily UV index in September in Yanshan, 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.

Daily UV Index in September in Yanshan

Temperature in September in Yanshan Over the Years

This chart shows the average temperature in September in Yanshan, measured in degrees Celsius, over the past years.

Temperature in September in Yanshan Over the Years

Total Precipitation in September in Yanshan Over the Years

This chart shows the average precipitation in September in Yanshan, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.

Precipitation in September in Yanshan Over the Years

Daily climate in September for Yanshan

Click on a specific day in September for detailed info on the typical weather on that day in Yanshan. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in September in Yanshan

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Average Weather in Yanshan by Month

Click on a month below to see detailed weather info for Yanshan. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.


Or check out the climate of Yanshan for all months at once

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