Normal weather for New Castle in September
It's hot in September in New Castle with an average temperature of 33°C. Temperatures this month range from a low of 32°C to a high of 33°C. At night, you can expect temperatures between 27°C and 28°C.
In September, there is an average of 110 mm of precipitation, spread over 12 days. The wind speed is around 5 Bft, mostly coming from the Southeast.
New Castle in September |
New York | ||
|---|---|---|---|
 Average Temperature |
33°C | 27°C | |
 High Temp |
33°C | 31°C | |
| Low Temp |
32°C | 21°C | |
 Total Precipitation |
110 mm | 57 mm | |
| Rainy Days |
12 days | 9 days | |
Start of September
The month of September starts in New Castle with hot temps, averaging around 33°C during the day and nights around 28°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid September
By mid-September, daytime temps stay steady at around 33°C, with nights around 28°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of September
By the end of September, the average daytime temperature in New Castle is around 33°C, while nighttime temps are about 28°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
UV index
The UV index is a maximum of 9 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 New Castle?
Looking for sun? September isn’t a good month to be in New Castle. The temperature is nice, but there’s too much chance of rain.
The hurricane season in New Castle runs from June to November.
Temperature records for New Castle in September
Check out the climate of New Castle for all months and discover the best travel time
August
Daily Temperature in September in New Castle
This chart shows the average daily high and low temperatures in September for New Castle, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in New Castle
The chart below shows the average daily precipitation in September for New Castle, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 12 days of precipitation in New Castle.
Daily UV Index in September in New Castle
This chart shows the average daily UV index in September in New Castle, 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 New Castle Over the Years
This chart shows the average temperature in September in New Castle, measured in degrees Celsius, over the past few years.
Total Precipitation in September in New Castle Over the Years
This chart shows the average precipitation in September in New Castle, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate in September for New Castle
Click on any day in September to get detailed info about the usual weather on that day in New Castle. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in New Castle
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Average Weather in New Castle by Month
Click on a month below to see detailed weather info for New Castle. 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 New Castle for all months at once
