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
The advent of September brings a subtle shift in temperature, with the average high moving from a warm 83.7°F (28.7°C) in August to a still moderately hot 75.6°F (24.2°C). September nights bring a significant cooling from the heat of the day, with averages of 50.4°F (10.2°C).Humidity
In September, the average relative humidity is 32%.Rainfall
The months with the least rainfall in Dayton are July through September Rain falls for 3.5 days and accumulates 0.24" (6mm) of rain.Snowfall
In Dayton, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:41 pm PDT.
Sunshine
In September, the average sunshine is 11.1h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Always opt for UVA and UVB-resistant sunglasses on radiant days. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Dayton?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Dayton have in September?
What is the UV index reading in September?
Average temperature in September
Dayton, NV
- Average high temperature in September: 75.6°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (38.8°F).
- Average low temperature in September: 50.4°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in September
Dayton, NV
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Dayton, NV
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in September
Dayton, NV
- Average humidity in September: 32%
The months with the highest relative humidity are January and December (71%).
The months with the lowest relative humidity are July and August (28%).
Average rainfall in September
Dayton, NV
- Average rainfall in September: 0.24"
The wettest month (with the highest rainfall) is February (1.46").
The driest months (with the least rainfall) are July, August and September (0.24").
Average rainfall days in September
Dayton, NV
- Average rainfall days in September: 3.5 days
The month with the highest number of rainy days is March (11.4 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in September
Dayton, NV
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dayton, NV
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (8.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Dayton, NV
- 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: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in September
Dayton, NV
- Average sunshine days in September: 24.2 days
The month with the most sunshine days is October (25.7 days).
The month with the least sunshine days is March (15.8 days).
Average UV index in September
Dayton, NV
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Dayton, NV
- Average cloud cover in September: 9
The month with the most cloud cover is December (Cloud cover 31).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in September
Dayton, NV
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Dayton, Nevada, USA
Weather forecast for your location
2. Allow the app to use your location