Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September in Delta comes with a decrease in the average high-temperature, falling from a tropical 90°F (32.2°C) in August to a warm 80.2°F (26.8°C). Delta's nighttime temperature in September drops to an average of 59.7°F (15.4°C).Humidity
In Delta, the average relative humidity in September is 30%.Rainfall
In Delta, in September, it is raining for 6.3 days, with typically 0.47" (12mm) of accumulated precipitation. In Delta, during the entire year, the rain falls for 82.6 days and collects up to 7.01" (178mm) of precipitation.Snowfall
In Delta, snow does not fall in May through September.Daylight
In Delta, the average length of the day in September is 12h and 26min.On the first day of September in Delta, sunrise is at 6:59 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:13 pm MDT.
Sunshine
In September, the average sunshine is 9.8h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Make use of precautions - Suggestions to resist sunburn are communicated. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What is the usual temperature for Delta in September?
What is the average humidity in September in Delta?
How much does it rain in Delta in September?
When it does not snow in Delta?
Does it snow in Delta in September?
What is the average length of the day in September in Delta?
When is the sunrise / sunset in September in Delta?
How long on average sun shines in September in Delta?
What is the UV index reading in September in Delta?
Average temperature in September
Delta, UT
- Average high temperature in September: 80.2°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in September
Delta, UT
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Delta, UT
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is June (8.8mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).
Average humidity in September
Delta, UT
- Average humidity in September: 30%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is June (24%).
Average rainfall in September
Delta, UT
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is March (0.91").
The driest month (with the least rainfall) is June (0.24").
Average rainfall days in September
Delta, UT
- Average rainfall days in September: 6.3 days
The month with the highest number of rainy days is April (10 days).
The month with the least rainy days is June (3.9 days).
Average snowfall in September
Delta, UT
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Delta, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Delta, UT
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).
Average sunshine days in September
Delta, UT
- Average sunshine days in September: 21.3 days
The month with the most sunshine days is June (24.1 days).
The month with the least sunshine days is February (16.3 days).
Average UV index in September
Delta, UT
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Delta, UT
- Average cloud cover in September: 10
The month with the most cloud cover is December (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Delta, UT
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Delta, Utah, USA
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