September weather forecastLehman Springs, OR
September
Weather in September
September, the first month of the autumn in Lehman Springs, is still a pleasant month, with an average temperature fluctuating between 69.3°F (20.7°C) and 46.2°F (7.9°C).Temperature
The beginning of September marks a decrease in the average high-temperature, transitioning from a warm 78.8°F (26°C) in August to a pleasant 69.3°F (20.7°C). Against the backdrop of high daytime temperatures, an average low-temperature of 46.2°F (7.9°C) is noted during September nights.Humidity
The average relative humidity in September is 54%.Rainfall
In September, the rain falls for 7.8 days. Throughout September, 0.98" (25mm) of precipitation is accumulated. In Lehman Springs, Oregon, during the entire year, the rain falls for 162.1 days and collects up to 22.2" (564mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Lehman Springs, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:17 am and sunset at 7:31 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:36 pm PDT.
Sunshine
In Lehman Springs, the average sunshine in September is 10.3h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Act with care - The need to guard against sun damage is communicated. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lehman Springs, OR
- Average high temperature in September: 69.3°F
The warmest month (with the highest average high temperature) is August (78.8°F).
The month with the lowest average high temperature is December (32.9°F).
- Average low temperature in September: 46.2°F
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (20.8°F).
Average pressure in September
Lehman Springs, 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 (29.91"Hg).
Average wind speed in September
Lehman Springs, OR
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is March (6.7mph).
The calmest months (with the lowest average wind speed) are August and September (4.8mph).
Average humidity in September
Lehman Springs, OR
- Average humidity in September: 54%
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
Lehman Springs, OR
- Average rainfall in September: 0.98"
The wettest months (with the highest rainfall) are February and December (2.68").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in September
Lehman Springs, OR
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is July (5.5 days).
Average snowfall in September
Lehman Springs, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Lehman Springs, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lehman Springs, OR
- Average daylight in September: 12h and 30min
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 18min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 4h and 30min).
Average sunshine days in September
Lehman Springs, OR
- Average sunshine days in September: 20.1 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in September
Lehman Springs, 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, April, November and December (UV index 2).
Average cloud cover in September
Lehman Springs, OR
- Average cloud cover in September: 20
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in September
Lehman Springs, 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).
