United StatesAverage weather for Delta in September
It's warm in September in Delta with an average temperature of 28°C. Temperatures this month range from a low of 23°C to a high of 33°C. At night, you can expect temperatures between 7°C and 17°C.
Start of September
The month of September starts in Delta with hot temps, averaging around 32°C during the day and nights around 15°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers.
Mid September
By mid-September, daytime temps drop to around 28°C, with nights around 12°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of September
By the end of September, the average daytime temperature in Delta is around 25°C, while nighttime temps are about 9°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
In September, there is an average of 22 mm of precipitation, spread over 3 days. The wind speed is around 4 Bft, mostly coming from the South.
Delta in September |
New York | ||
|---|---|---|---|
 Average temperature |
28°C | 27°C | |
 Max. temperature |
33°C | 31°C | |
| Min. temperature |
23°C | -5°C | |
 Total precipitation |
22 mm | 57 mm | |
| Rainy days |
3 days | 9 days | |
August
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Delta?
Looking for great weather? September is a good time to be in Delta. The temperatures are nice, and there’s not too much rain.
Temperature records
With 38°C in 2022, Delta reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 8°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of -1°C to a highest value of 21°C.
Check out the climate of Delta for all months and discover the best travel time
Daily Temperature in September in Delta
This chart shows the average daily high and low temperatures in September for Delta, 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 Delta
The chart below shows the average daily precipitation in September for Delta, 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 3 days of precipitation in Delta.
Daily UV index in September in Delta
This chart shows the average daily UV index in September in Delta, 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 Delta over the years
This chart shows the average temperature in September in Delta, measured in degrees Celsius, over the past few years.
Total precipitation in September in Delta over the years
This chart shows the average precipitation in September in Delta, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Delta
Click on any day in September to get detailed info about the usual weather on that day in Delta. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Delta
Have you been to Delta in September?
Share your weather experience in September in Delta.
Average weather in Delta by month
Click on a month below to see detailed weather info for Delta. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
