United StatesThe weather in September in Shirley
It's warm in September in Shirley with an average temperature of 25°C. Temperatures this month range from a low of 20°C to a high of 29°C. At night, you can expect temperatures between 9°C and 17°C.
Looking for sun? September isn’t a good month to be in Shirley. 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 Shirley, 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 36°C in 2015, Shirley reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 11°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 0°C to a highest value of 24°C.
Rainfall amount
In September, there is an average of 138 mm of precipitation, spread over 15 days. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in September for Shirley
Click on any day in September to get detailed info about the usual weather on that day in Shirley. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Shirley | New York | |
|---|---|---|
| Average temperature | 25°C | 27°C |
| Max. temperature | 29°C | 31°C |
| Min. temperature | 9°C | -5°C |
| Total precipitation | 138 mm | 57 mm |
| Rainy days | 15 days | 9 days |
Start of September
The month of September starts in Shirley with hot temps, averaging around 27°C during the day and nights around 16°C.
Mid September
By mid-September, daytime temps drop to around 24°C, with nights around 13°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of September
By the end of September, the average daytime temperature in Shirley is around 24°C, while nighttime temps are about 12°C. A shower might pop up, but overall, the weather will be dry and sunny.
Find affordable trips to Shirley
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.
Check out the climate of Shirley for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Shirley, Massachusetts. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Shirley
Temperature in September in Shirley over the years
Precipitation charts
These charts show the average amount of precipitation in September in Shirley, 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 Shirley
Total precipitation in September in Shirley over the years
Daily UV index in September in Shirley
This chart shows the average daily UV index in September in Shirley, 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 Shirley
Have you been to Shirley in September?
Share your weather experience in September in Shirley.
Average weather in Shirley by month
Click on a month below to see detailed weather info for Shirley. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.