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
As August makes way for September, Enterprise's average high-temperature eases from a moderately hot 78.4°F (25.8°C) to a pleasant 69.6°F (20.9°C). Enterprise anticipates a stark contrast in temperature during September nights, with an average low of 45.3°F (7.4°C).Humidity
In September, the average relative humidity is 53%.Rainfall
In Enterprise, in September, it is raining for 8.5 days, with typically 0.94" (24mm) of accumulated precipitation. In Enterprise, during the entire year, the rain falls for 136 days and collects up to 24.45" (621mm) of precipitation.Snowfall
Months with snowfall in Enterprise, Oregon, are January through June, September through December. September is the first month it typically snows in Enterprise. Throughout September, in the average 0.4 snowfall days, it receives 0.35" (9mm) of snow. Throughout the year, there are 89.9 snowfall days, and 68.82" (1748mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:26 pm. On the last day of September, sunrise is at 6:47 am and sunset at 6:30 pm PDT.
Sunshine
In September, the average sunshine in Enterprise is 10.4h.UV index
The average daily maximum UV index in September in Enterprise, Oregon, is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the average September temperature in Enterprise?
What is the average humidity in September in Enterprise?
How many days does it rain in September in Enterprise?
When does it start to snow in Enterprise?
How many hours of daylight does Enterprise have in September?
When are sunrise and sunset in September in Enterprise?
How many hours of sunshine does Enterprise have in September?
What is the UV index reading in September in Enterprise?
Average temperature in September
Enterprise, OR
- Average high temperature in September: 69.6°F
The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in September: 45.3°F
The month with the highest average low temperature is August (50.9°F).
The coldest month (with the lowest average low temperature) is December (19.2°F).
Average pressure in September
Enterprise, OR
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in September
Enterprise, OR
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is January (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Enterprise, OR
- Average humidity in September: 53%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is August (46%).
Average rainfall in September
Enterprise, OR
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is July (0.83").
Average rainfall days in September
Enterprise, OR
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is August (5.8 days).
Average snowfall in September
Enterprise, OR
- Average snowfall in September: 0.35"
The month with the highest snowfall is February (15.98").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Enterprise, OR
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is December (17.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Enterprise, OR
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Enterprise, OR
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is March (8 days).
Average UV index in September
Enterprise, OR
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Enterprise, OR
- Average cloud cover in September: 19
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Enterprise, OR
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Enterprise, Oregon, USA
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