September weather forecastMcGill, NV
September
Weather in September
September marks the onset of the fall season, with the landscape bursting into a myriad of colors. An early hint of fall is in the slightly lower temperatures, with highs reaching only up to 71.6°F (22°C). Daylight hours start reducing, signaling the approach of winter. Despite September's weather being cooler, it's still ideal for outdoor activities which transform into a visual feast thanks to the stunning fall foliage. It's certainly a glorious time to explore the natural beauty of McGill.Temperature
In the transition to September, McGill observes a drop in the average high-temperature, moving from a warm 80.8°F (27.1°C) in August to an agreeable 71.6°F (22°C). McGill, during the month of September, experiences an average low-temperature of 50.5°F (10.3°C).Humidity
In McGill, the average relative humidity in September is 33%.Rainfall
In McGill, during September, the rain falls for 5.5 days and regularly aggregates up to 0.43" (11mm) of precipitation. In McGill, during the entire year, the rain falls for 62 days and collects up to 8.11" (206mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows in McGill. Throughout September, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow. In McGill, Nevada, during the entire year, snow falls for 40.3 days and aggregates up to 27.32" (694mm) of snow.Daylight
In McGill, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:08 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 6:22 pm PDT.
Sunshine
In September, the average sunshine in McGill is 10.2h.UV index
In September, the average daily maximum UV index in McGill is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
McGill, NV
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (33.6°F).
- Average low temperature in September: 50.5°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in September
McGill, NV
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
McGill, NV
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity in September
McGill, NV
- Average humidity in September: 33%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (29%).
Average rainfall in September
McGill, NV
- Average rainfall in September: 0.43"
The wettest months (with the highest rainfall) are March and April (1.14").
The driest month (with the least rainfall) is June (0.35").
Average rainfall days in September
McGill, NV
- Average rainfall days in September: 5.5 days
The month with the highest number of rainy days is April (7.8 days).
The month with the least rainy days is November (2.3 days).
Average snowfall in September
McGill, NV
- Average snowfall in September: 0.2"
The month with the highest snowfall is March (6.97").
The months with the least snowfall are July and August (0").
Average snowfall days in September
McGill, NV
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is December (8.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
McGill, NV
- Average daylight in September: 12h and 24min
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 24min).
- Average sunshine in September: 10h and 12min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 6h and 24min).
Average sunshine days in September
McGill, NV
- Average sunshine days in September: 22.4 days
The month with the most sunshine days is November (24.1 days).
The month with the least sunshine days is April (19.2 days).
Average UV index in September
McGill, NV
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
McGill, NV
- Average cloud cover in September: 11
The month with the most cloud cover is December (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in September
McGill, NV
- 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).





