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United StatesThe weather in September in Martha Lake
It's pleasantly warm in September in Martha Lake with an average temperature of 20°C. Temperatures this month range from a low of 18°C to a high of 23°C. At night, you can expect temperatures between 11°C and 15°C.
Looking for great weather? September is a good time to be in Martha Lake. 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 Martha Lake, 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, Martha Lake 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 21°C.
Rainfall amount
In September, there is an average of 82 mm of precipitation, spread over 11 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Daily weather in September for Martha Lake
Click on any day in September to get detailed info about the usual weather on that day in Martha Lake. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Martha Lake | New York | |
|---|---|---|
| Average temperature | 20°C | 27°C |
| Max. temperature | 23°C | 31°C |
| Min. temperature | 11°C | -5°C |
| Total precipitation | 82 mm | 57 mm |
| Rainy days | 11 days | 9 days |
Start of September
The month of September starts in Martha Lake with warm temps, averaging around 23°C during the day and nights around 14°C.
Mid September
By mid-September, daytime temps drop to around 20°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 Martha Lake is around 19°C, while nighttime temps are about 13°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 2 this month. That's a low value on the intensity scale of 1 to 11. The risk of sunburn is minimal at this time.
Check out the climate of Martha Lake for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Martha Lake, Washington. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Martha Lake
Temperature in September in Martha Lake over the years
Precipitation charts
These charts show the average amount of precipitation in September in Martha Lake, 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 Martha Lake
Total precipitation in September in Martha Lake over the years
Daily UV index in September in Martha Lake
This chart shows the average daily UV index in September in Martha Lake, 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 Martha Lake
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Average weather in Martha Lake by month
Click on a month below to see detailed weather info for Martha Lake. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.