The weather in September in Raft Island

It's pleasantly warm in September in Raft Island 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 11°C and 14°C.

Looking for great weather? September is a good time to be in Raft Island. 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 Raft Island, 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 2020, Raft Island reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 11°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 5°C to a highest value of 18°C.

Rainfall amount

In September, there is an average of 86 mm of precipitation, spread over 11 days. The wind speed is around 3 Bft, mostly coming from the Southeast.

Daily weather in September for Raft Island

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

September weather comparison

  Raft Island New York
Average temperature 22°C 27°C
Max. temperature 25°C 31°C
Min. temperature 11°C -5°C
Total precipitation 86 mm 57 mm
Rainy days 11 days 9 days

Start of September

The month of September starts in Raft Island 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 22°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 Raft Island is around 20°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.

UV index

The UV index is a maximum of 4 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 Raft Island for all months and discover the best travel time

Temperature charts

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

Daily Temperature in September in Raft Island

Temperature in September in Raft Island over the years

Precipitation charts

These charts show the average amount of precipitation in September in Raft Island, 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 Raft Island

Total precipitation in September in Raft Island over the years

Daily UV index in September in Raft Island

This chart shows the average daily UV index in September in Raft Island, 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 Raft Island

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Average weather in Raft Island by month

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