Weathermondo.com
United StatesThe weather in September in Columbia
It's pleasantly warm in September in Columbia with an average temperature of 22°C. Temperatures this month range from a low of 18°C to a high of 25°C. At night, you can expect temperatures between 5°C and 13°C.
Looking for sun? September isn’t a good month to be in Columbia. 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 Columbia, New Hampshire. 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 33°C in 2017, Columbia reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 9°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -5°C to a highest value of 21°C.
Rainfall amount
In September, there is an average of 129 mm of precipitation, spread over 14 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Daily weather in September for Columbia
Click on any day in September to get detailed info about the usual weather on that day in Columbia. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Columbia | New York | |
|---|---|---|
| Average temperature | 22°C | 27°C |
| Max. temperature | 25°C | 31°C |
| Min. temperature | 5°C | -5°C |
| Total precipitation | 129 mm | 57 mm |
| Rainy days | 14 days | 9 days |
Start of September
The month of September starts in Columbia with warm temps, averaging around 25°C during the day and nights around 11°C.
Mid September
By mid-September, daytime temps drop to around 22°C, with nights around 9°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 Columbia is around 22°C, while nighttime temps are about 7°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 6 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 Columbia for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Columbia, New Hampshire. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Columbia
Temperature in September in Columbia over the years
Precipitation charts
These charts show the average amount of precipitation in September in Columbia, New Hampshire. 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 Columbia
Total precipitation in September in Columbia over the years
Daily UV index in September in Columbia
This chart shows the average daily UV index in September in Columbia, 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 Columbia
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Average weather in Columbia by month
Click on a month below to see detailed weather info for Columbia. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.