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Normal weather for Altamont in September

It's warm in September in Altamont with an average temperature of 24°C. Temperatures this month range from a low of 18°C to a high of 28°C. At night, you can expect temperatures between 10°C and 16°C.

In September, there is an average of 184 mm of precipitation, spread over 19 days. The wind speed is around 3 Bft, mostly coming from the Southwest.

Altamont in September

New York
Temperature Average Temperature
24°C 27°C
Sun High Temp
28°C 31°C
Sun Low Temp
18°C 21°C
Rain Total Precipitation
184 mm 57 mm
Rain Rainy Days
19 days 9 days

Start of September

The month of September starts in Altamont with warm temps, averaging around 26°C during the day and nights around 16°C. There are plenty of days with a good chance of precipitation.

With the temperature difference between day and night, it’s smart to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. For the evening and morning, a shirt, maybe a light sweater, and thin pants are recommended.

Mid September

By mid-September, daytime temps drop to around 24°C, with nights around 13°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

Since it cools down at night, it’s a good idea to wear layers. A T-shirt, light pants or skirt, and a light jacket are great for the day. In the evening and morning, choose a light jacket, sweater or hoodie, and long pants.

End of September

By the end of September, the average daytime temperature in Altamont is around 22°C, while nighttime temps are about 12°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

Because temperatures drop in the evening, wearing layers is recommended. A T-shirt, light pants or skirt, and a light jacket are great for the day. In the evening and morning, choose a light jacket, sweater or hoodie, and long pants.

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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.

Is September a good time to visit Altamont?

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

Temperature records for Altamont in September

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

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Daily Temperature in September in Altamont

This chart shows the average daily high and low temperatures in September for Altamont, 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 Temperature in September in Altamont

Daily Precipitation in September in Altamont

The chart below shows the average daily precipitation in September for Altamont, 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 19 days of precipitation in Altamont.

Daily Precipitation in September in Altamont

Daily UV Index in September in Altamont

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

Daily UV Index in September in Altamont

Temperature in September in Altamont Over the Years

This chart shows the average temperature in September in Altamont, measured in degrees Celsius, over the past few years.

Temperature in September in Altamont Over the Years

Total Precipitation in September in Altamont Over the Years

This chart shows the average precipitation in September in Altamont, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in September in Altamont Over the Years

Daily Climate in September for Altamont

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

Weather experiences in September in Altamont

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Average Weather in Altamont by Month

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


Or check out the climate of Altamont for all months at once

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