Weathermondo.com
United StatesThe weather in September in Commack
It's warm in September in Commack 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 14°C and 20°C.
Looking for great weather? September is a good time to be in Commack. The temperatures are nice, and there’s not too much 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 Commack, New York. 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 34°C in 2023, Commack reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 16°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of 7°C to a highest value of 25°C.
Rainfall amount
In September, there is an average of 88 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in September for Commack
Click on any day in September to get detailed info about the usual weather on that day in Commack. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Commack | New York | |
|---|---|---|
| Average temperature | 25°C | 27°C |
| Max. temperature | 29°C | 31°C |
| Min. temperature | 14°C | -5°C |
| Total precipitation | 88 mm | 57 mm |
| Rainy days | 11 days | 9 days |
Start of September
The month of September starts in Commack with hot temps, averaging around 27°C during the day and nights around 20°C.
Mid September
By mid-September, daytime temps drop to around 25°C, with nights around 17°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 Commack is around 24°C, while nighttime temps are about 16°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
Find affordable trips to Commack
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 Commack for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Commack, New York. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Commack
Temperature in September in Commack over the years
Precipitation charts
These charts show the average amount of precipitation in September in Commack, New York. 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 Commack
Total precipitation in September in Commack over the years
Daily UV index in September in Commack
This chart shows the average daily UV index in September in Commack, 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 Commack
Have you been to Commack in September?
Share your weather experience in September in Commack.
Average weather in Commack by month
Click on a month below to see detailed weather info for Commack. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.