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 moderately hot 79.3°F (26.3°C) in August to an agreeable 70.9°F (21.6°C). During September, Valley Falls notes a substantial drop from the daytime peak to an average minimum temperature of 45.9°F (7.7°C).Humidity
In September, the average relative humidity is 42%.Rainfall
In September, in Valley Falls, Oregon, the rain falls for 5 days. Throughout September, 0.47" (12mm) of precipitation is accumulated. In Valley Falls, during the entire year, the rain falls for 93.6 days and collects up to 15.28" (388mm) of precipitation.Snowfall
January through June, September through December are months with snowfall in Valley Falls. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.39" (10mm) of snow. In Valley Falls, Oregon, during the entire year, snow falls for 72.8 days and aggregates up to 57.17" (1452mm) of snow.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:34 pm. On the last day of September, in Valley Falls, sunrise is at 6:58 am and sunset at 6:43 pm PDT.
Sunshine
The average sunshine in September is 11h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. 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 temperature in September in Valley Falls?
What is the average humidity in September in Valley Falls?
How many days does it rain in September in Valley Falls?
When does it start snowing in Valley Falls?
What is the average length of the day in September in Valley Falls?
What time are sunrise and sunset in September in Valley Falls?
How many hours of sunshine does Valley Falls have in September?
How high is the UV index in September in Valley Falls?
Average temperature in September
Valley Falls, OR
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is December (34.3°F).
- Average low temperature in September: 45.9°F
The month with the highest average low temperature is July (51.4°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in September
Valley Falls, OR
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The months with the lowest atmospheric pressure are June and August (29.94"Hg).
Average wind speed in September
Valley Falls, OR
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Valley Falls, OR
- Average humidity in September: 42%
The months with the highest relative humidity are January and December (81%).
The month with the lowest relative humidity is August (36%).
Average rainfall in September
Valley Falls, OR
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is December (2.28").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in September
Valley Falls, OR
- Average rainfall days in September: 5 days
The months with the highest number of rainy days are March, April and May (11.8 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in September
Valley Falls, OR
- Average snowfall in September: 0.39"
The month with the highest snowfall is December (13.35").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Valley Falls, OR
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (14.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Valley Falls, OR
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Valley Falls, OR
- Average sunshine days in September: 24 days
The month with the most sunshine days is August (25 days).
The month with the least sunshine days is March (11.8 days).
Average UV index in September
Valley Falls, 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, February, March, November and December (UV index 2).
Average cloud cover in September
Valley Falls, OR
- Average cloud cover in September: 13
The months with the most cloud cover are March and December (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in September
Valley Falls, OR
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Valley Falls, Oregon, USA
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