United StatesAverage weather for Alpine in September
It's pleasantly warm in September in Alpine with an average temperature of 21°C. Temperatures this month range from a low of 16°C to a high of 26°C. At night, you can expect temperatures between 2°C and 7°C.
Start of September
The month of September starts in Alpine with warm temps, averaging around 24°C during the day and nights around 5°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
Mid September
By mid-September, daytime temps drop to around 21°C, with nights around 4°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 Alpine is around 19°C, while nighttime temps are about 3°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
In September, there is an average of 78 mm of precipitation, spread over 6 days. Of the total precipitation, about 5,1 cm falls as snow in September. The wind speed is around 4 Bft, mostly coming from the Southwest.
Alpine in September |
New York | ||
|---|---|---|---|
 Average temperature |
21°C | 27°C | |
 Max. temperature |
26°C | 31°C | |
| Min. temperature |
16°C | -5°C | |
 Total precipitation |
78 mm | 57 mm | |
| Rainy days |
6 days | 9 days | |
 Total snowfall |
5,1 cm | 0 cm | |
| Snowy days |
2 days | 0 days | |
August
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Temperature records
With 33°C in 2022, Alpine reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 5°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of -7°C to a highest value of 13°C.
Check out the climate of Alpine for all months and discover the best travel time
Daily Temperature in September in Alpine
This chart shows the average daily high and low temperatures in September for Alpine, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Alpine
The chart below shows the average daily precipitation in September for Alpine, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 6 days of precipitation in Alpine.
Daily Snowfall in September in Alpine
This chart shows the average daily snowfall in September in Alpine, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in September.
Daily UV index in September in Alpine
This chart shows the average daily UV index in September in Alpine, 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 Alpine over the years
This chart shows the average temperature in September in Alpine, measured in degrees Celsius, over the past few years.
Total precipitation in September in Alpine over the years
This chart shows the average precipitation in September in Alpine, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Snowfall in September in Alpine per year
This chart shows the average snowfall in September in Alpine, measured in centimeters, over the past few years.
Daily weather in September for Alpine
Click on any day in September to get detailed info about the usual weather on that day in Alpine. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Alpine
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Average weather in Alpine by month
Click on a month below to see detailed weather info for Alpine. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
