Normal weather for New England in September
It's warm in September in New England with an average temperature of 23°C. Temperatures this month range from a low of 19°C to a high of 29°C. At night, you can expect temperatures between 5°C and 12°C.
In September, there is an average of 71 mm of precipitation, spread over 10 days. The wind speed is around 5 Bft, mostly coming from the South.
New England in September |
London | ||
|---|---|---|---|
 Average Temperature |
23°C | 20°C | |
 High Temp |
29°C | 22°C | |
| Low Temp |
19°C | 17°C | |
 Total Precipitation |
71 mm | 44 mm | |
| Rainy Days |
10 days | 8 days | |
Start of September
The month of September starts in New England with hot temperatures, averaging around 27°C during the day and nights close to 10°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. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. 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 drops to around 24°C, with nights close to 9°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
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 New England will be around 21°C, with nights close to 7°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. During the day, a shirt, maybe a light cardigan, and light trousers will do. In the evening and morning, we recommend a warm coat, jumper or cardigan, and long trousers.
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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 New England?
Want nice weather? Then September is a great time to be in New England. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for New England in September
With 37°C, New England hit the highest temperature in the last 10 years in September 2021. The lowest daytime temperature in this month was 4°C in 2018. The extreme night temperatures ranged from a low of -5°C to a high of 18°C.
Check out the climate of New England for all months and discover the best travel time
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Daily Temperature in September in New England
This chart shows the average daily temperatures, both day and night, for each day in September in New England, 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 New England
The chart below shows the average daily precipitation in September for New England, 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 10 days of rain in New England.
Daily UV Index in September in New England
This chart shows the average daily UV index in September in New England, 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 England Over the Years
This chart shows the average temperature in September in New England, measured in degrees Celsius, over the past years.
Total Precipitation in September in New England Over the Years
This chart shows the average precipitation in September in New England, 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 New England
Click on a specific day in September for detailed info on the typical weather on that day in New England. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in New England
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Average Weather in New England by Month
Click on a month below to see detailed weather info for New England. 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 England for all months at once
