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
Winchester's progression into September involves a gentle drop in the average high-temperature, from a torrid 97.3°F (36.3°C) in August to a tropical 88.9°F (31.6°C). Winchester, in September, observes a steady average low-temperature of 71.2°F (21.8°C).Humidity
In September, the average relative humidity in Winchester is 23%.Rainfall
In Winchester, during September, the rain falls for 4 days and regularly aggregates up to 0.28" (7mm) of precipitation. Throughout the year, there are 42.9 rainfall days, and 3.23" (82mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall in Winchester.Daylight
In September, the average length of the day in Winchester is 12h and 23min.On the first day of the month, sunrise is at 6:12 am and sunset at 7:07 pm. On the last day of September, in Winchester, sunrise is at 6:35 am and sunset at 6:24 pm PDT.
Sunshine
In September, the average sunshine is 10.3h.UV index
The average daily maximum UV index in September in Winchester is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
How hot does it get in Winchester in September?
What is the average humidity in September in Winchester?
How many days does it rain in September in Winchester?
When it does not snow in Winchester?
How many hours of daylight does Winchester have in September?
When are sunrise and sunset in September in Winchester?
How long on average sun shines in September in Winchester?
What is the UV index reading in September in Winchester?
Average temperature in September
Winchester, NV
- Average high temperature in September: 88.9°F
The warmest month (with the highest average high temperature) is July (98.4°F).
The month with the lowest average high temperature is December (50.9°F).
- Average low temperature in September: 71.2°F
The months with the highest average low temperature are July and August (78.4°F).
The coldest month (with the lowest average low temperature) is December (38.8°F).
Average pressure in September
Winchester, NV
- Average pressure in September: 29.85"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.76"Hg).
Average wind speed in September
Winchester, NV
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is January (5.4mph).
Average humidity in September
Winchester, NV
- Average humidity in September: 23%
The month with the highest relative humidity is January (47%).
The month with the lowest relative humidity is June (15%).
Average rainfall in September
Winchester, NV
- Average rainfall in September: 0.28"
The wettest months (with the highest rainfall) are July and August (0.55").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Winchester, NV
- Average rainfall days in September: 4 days
The month with the highest number of rainy days is July (6.1 days).
The month with the least rainy days is June (0.9 days).
Average snowfall in September
Winchester, NV
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Winchester, NV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Winchester, NV
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Winchester, NV
- Average sunshine days in September: 22.7 days
The month with the most sunshine days is June (27.6 days).
The month with the least sunshine days is July (18.7 days).
Average UV index in September
Winchester, NV
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Winchester, NV
- Average cloud cover in September: 7
The months with the most cloud cover are January and December (Cloud cover 19).
The months with the least cloud cover are June and August (Cloud cover 6).
Average visibility in September
Winchester, 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).
Winchester, Nevada, USA
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