United StatesThe weather in September in Haines
It's cool to moderate in September in Haines with an average temperature of 15°C. Temperatures this month range from a low of 12°C to a high of 17°C. At night, you can expect temperatures between 7°C and 11°C.
Looking for sun and warm weather? September isn’t a good month to be in Haines. The temperatures are too low for a warm stay this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Haines, Alaska. 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 25°C in 2019, Haines reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 8°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 0°C to a highest value of 15°C.
Water temperature
The water temperature at Haines is 12°C this month. This is too cold to swim without protective gear.
Rainfall amount
In September, there is an average of 242 mm of precipitation, spread over 22 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in September for Haines
Click on any day in September to get detailed info about the usual weather on that day in Haines. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Haines | New York | |
|---|---|---|
| Average temperature | 15°C | 27°C |
| Max. temperature | 17°C | 31°C |
| Min. temperature | 7°C | -5°C |
| Total precipitation | 242 mm | 57 mm |
| Rainy days | 22 days | 9 days |
Start of September
The month of September starts in Haines with cool temps, averaging around 17°C during the day and nights around 10°C.
Mid September
By mid-September, daytime temps drop to around 15°C, with nights around 9°C. There’s a high chance of precipitation during this time.
End of September
By the end of September, the average daytime temperature in Haines is around 13°C, while nighttime temps are about 8°C. There’s a significant chance of many days with precipitation.
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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 Haines for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Haines, Alaska. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Haines
Temperature in September in Haines over the years
Precipitation charts
These charts show the average amount of precipitation in September in Haines, Alaska. 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 Haines
Total precipitation in September in Haines over the years
Daily UV index in September in Haines
This chart shows the average daily UV index in September in Haines, 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 Haines
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Average weather in Haines by month
Click on a month below to see detailed weather info for Haines. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.