The weather in September in Machias

It's pleasantly warm in September in Machias with an average temperature of 21°C. Temperatures this month range from a low of 18°C to a high of 24°C. At night, you can expect temperatures between 10°C and 14°C.

Looking for great weather? September is a good time to be in Machias. 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 Machias, Washington. 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 31°C in 2017, Machias reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 12°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 19°C.

Rainfall amount

In September, there is an average of 54 mm of precipitation, spread over 9 days. The wind speed is around 3 Bft, mostly coming from the West.

Daily weather in September for Machias

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

September weather comparison

  Machias New York
Average temperature 21°C 27°C
Max. temperature 24°C 31°C
Min. temperature 10°C -5°C
Total precipitation 54 mm 57 mm
Rainy days 9 days 9 days

Start of September

The month of September starts in Machias with warm temps, averaging around 24°C during the day and nights around 14°C.

Mid September

By mid-September, daytime temps drop to around 21°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 Machias is around 20°C, while nighttime temps are about 12°C. A shower might pop up, but overall, the weather will be dry and sunny.

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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 Machias for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in Machias, Washington. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Machias

Temperature in September in Machias over the years

Precipitation charts

These charts show the average amount of precipitation in September in Machias, Washington. 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 Machias

Total precipitation in September in Machias over the years

Daily UV index in September in Machias

This chart shows the average daily UV index in September in Machias, 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 Machias

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Average weather in Machias by month

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