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 shift to September brings a decrease in the average high-temperature, falling from a warm 81.5°F (27.5°C) in August to a pleasant 72.5°F (22.5°C). The temperature lowers to an average of 52°F (11.1°C) during September nights.Humidity
The average relative humidity in September is 38%.Rainfall
In Lawen, during September, the rain falls for 4.6 days and regularly aggregates up to 0.39" (10mm) of precipitation. Throughout the year, there are 75.2 rainfall days, and 5.63" (143mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Lawen.Daylight
In Lawen, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:20 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:37 pm PDT.
Sunshine
In Lawen, Oregon, the average sunshine in September is 10.7h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What are September temperatures in Lawen?
What is the average humidity in September in Lawen?
How many days does it rain in September in Lawen?
When it does not snow in Lawen?
Does it snow in Lawen in September?
What is the average length of the day in September in Lawen?
When are sunrise and sunset in September in Lawen?
How long on average sun shines in September in Lawen?
What is the UV index intensity in September in Lawen?
Average temperature in September
Lawen, OR
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (33.3°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is August (59°F).
The coldest month (with the lowest average low temperature) is December (22.5°F).
Average pressure in September
Lawen, OR
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in September
Lawen, OR
- Average wind speed in September: 6.9mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Lawen, OR
- Average humidity in September: 38%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (33%).
Average rainfall in September
Lawen, OR
- Average rainfall in September: 0.39"
The wettest months (with the highest rainfall) are April and May (0.67").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in September
Lawen, OR
- Average rainfall days in September: 4.6 days
The month with the highest number of rainy days is April (9.6 days).
The month with the least rainy days is July (4 days).
Average snowfall in September
Lawen, OR
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lawen, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lawen, OR
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 10h and 4min
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 30min).
Average sunshine days in September
Lawen, OR
- Average sunshine days in September: 23.1 days
The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is March (17.8 days).
Average UV index in September
Lawen, OR
- 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, March, November and December (UV index 2).
Average cloud cover in September
Lawen, OR
- Average cloud cover in September: 14
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in September
Lawen, OR
- 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).
Lawen, Oregon, USA
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