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
In Quincy, the average high-temperature in September drops from a tropical 86.2°F (30.1°C) in August to a warm 74.3°F (23.5°C). The average temperature during September nights in Quincy, Washington, is registered at a fresh 53.2°F (11.8°C).Humidity
In September, the average relative humidity in Quincy, Washington, is 46%.Rainfall
In Quincy, during September, the rain falls for 4.9 days and regularly aggregates up to 0.35" (9mm) of precipitation. Throughout the year, in Quincy, there are 100.6 rainfall days, and 7.87" (200mm) of precipitation is accumulated.Snowfall
January through April, September, November and December are months with snowfall in Quincy. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, in Quincy, there are 25.2 snowfall days, and 12.56" (319mm) of snow is accumulated.Daylight
In September, the average length of the day in Quincy is 12h and 32min.On the first day of September, sunrise is at 6:19 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:40 pm PDT.
Sunshine
In September, the average sunshine in Quincy is 10.8h.UV index
In September, the average daily maximum UV index in Quincy is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, the UV index of 4 transforms into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What are the temperatures in Quincy in September?
What is the average humidity in September in Quincy?
How much does it rain in Quincy in September?
When does it start to snow in Quincy?
How many hours of daylight does Quincy have in September?
What time are sunrise and sunset in September in Quincy?
How many hours of sunshine does Quincy have in September?
What is the UV index reading in September in Quincy?
Average temperature in September
Quincy, WA
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (33.4°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is December (22.6°F).
Average pressure in September
Quincy, WA
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in September
Quincy, WA
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.5mph).
Average humidity in September
Quincy, WA
- Average humidity in September: 46%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (38%).
Average rainfall in September
Quincy, WA
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is December (1.1").
The driest month (with the least rainfall) is August (0.24").
Average rainfall days in September
Quincy, WA
- Average rainfall days in September: 4.9 days
The month with the highest number of rainy days is March (13.1 days).
The month with the least rainy days is July (3.9 days).
Average snowfall in September
Quincy, WA
- Average snowfall in September: 0.08"
The month with the highest snowfall is December (4.45").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in September
Quincy, WA
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (8.1 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in September /
Average sunshine in September
Quincy, WA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Quincy, WA
- Average sunshine days in September: 23.6 days
The month with the most sunshine days is July (26 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in September
Quincy, WA
- Average UV index in September: 4
The month with the highest UV index is 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
Quincy, WA
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in September
Quincy, WA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Quincy, Washington, USA
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