The weather in September in Hanover

It's warm in September in Hanover with an average temperature of 24°C. Temperatures this month range from a low of 18°C to a high of 27°C. At night, you can expect temperatures between 12°C and 18°C.

Looking for sun? September isn’t a good month to be in Hanover. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Hanover, Massachusetts. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 35°C in 2018, Hanover reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 14°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 2°C to a highest value of 23°C.

Rainfall amount

In September, there is an average of 152 mm of precipitation, spread over 16 days. The wind speed is around 3 Bft, mostly coming from the Southeast.

Daily weather in September for Hanover

Click on any day in September to get detailed info about the usual weather on that day in Hanover. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Hanover New York
Average temperature 24°C 27°C
Max. temperature 27°C 31°C
Min. temperature 12°C -5°C
Total precipitation 152 mm 57 mm
Rainy days 16 days 9 days

Start of September

The month of September starts in Hanover with warm temps, averaging around 26°C during the day and nights around 17°C.

Mid September

By mid-September, daytime temps drop to around 24°C, with nights around 14°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of September

By the end of September, the average daytime temperature in Hanover is around 23°C, while nighttime temps are about 13°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

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UV index

The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

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

Temperature charts

These charts show the average temperatures in September in Hanover, Massachusetts. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Hanover

Temperature in September in Hanover over the years

Precipitation charts

These charts show the average amount of precipitation in September in Hanover, Massachusetts. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Hanover

Total precipitation in September in Hanover over the years

Daily UV index in September in Hanover

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

Weather experiences in September in Hanover

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Average weather in Hanover by month

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