United StatesAverage weather for West Valley in September
It's warm in September in West Valley with an average temperature of 23°C. Temperatures this month range from a low of 16°C to a high of 26°C. At night, you can expect temperatures between 8°C and 16°C.
Start of September
The month of September starts in West Valley with warm temps, averaging around 23°C during the day and nights around 15°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
Mid September
By mid-September, daytime temps rise to around 24°C, with nights around 14°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of September
By the end of September, the average daytime temperature in West Valley 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.
In September, there is an average of 146 mm of precipitation, spread over 10 days. The wind speed is around 3 Bft, mostly coming from the South.
West Valley in September |
New York | ||
|---|---|---|---|
 Average temperature |
23°C | 27°C | |
 Max. temperature |
26°C | 31°C | |
| Min. temperature |
16°C | -5°C | |
 Total precipitation |
146 mm | 57 mm | |
| Rainy days |
10 days | 9 days | |
August
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 West Valley?
Looking for sun? September isn’t a good month to be in West Valley. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 32°C in 2018, West Valley reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 12°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of -1°C to a highest value of 23°C.
Check out the climate of West Valley for all months and discover the best travel time
Daily Temperature in September in West Valley
This chart shows the average daily high and low temperatures in September for West Valley, 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 Precipitation in September in West Valley
The chart below shows the average daily precipitation in September for West Valley, 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 10 days of precipitation in West Valley.
Daily UV index in September in West Valley
This chart shows the average daily UV index in September in West Valley, 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.
Temperature in September in West Valley over the years
This chart shows the average temperature in September in West Valley, measured in degrees Celsius, over the past few years.
Total precipitation in September in West Valley over the years
This chart shows the average precipitation in September in West Valley, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for West Valley
Click on any day in September to get detailed info about the usual weather on that day in West Valley. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in West Valley
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Average weather in West Valley by month
Click on a month below to see detailed weather info for West Valley. 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 West Valley for all months at once
