September weather forecastRose Lodge, OR
September
Weather in September
September, the first month of the autumn in Rose Lodge, is also an agreeable month, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 71.1°F (21.7°C).Temperature
The arrival of September correlates with a minor temperature reduction, down from August's moderately hot 78.4°F (25.8°C) to a pleasant 71.1°F (21.7°C). The significant decline in Rose Lodge's temperature, from day to night, averages of 48.7°F (9.3°C) in September.Humidity
The average relative humidity in September is 76%.Rainfall
In Rose Lodge, in September, during 9.5 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Rose Lodge, during the entire year, the rain falls for 156 days and collects up to 15.94" (405mm) of precipitation.Snowfall
In Rose Lodge, snow does not fall in April through October.Daylight
In Rose Lodge, the average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 6:38 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:57 pm PDT.
Sunshine
In Rose Lodge, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September leads to these advisories:
Undertake precautions - It is suggested to shield oneself from sunburn. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rose Lodge, OR
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in September: 48.7°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).
Average pressure in September
Rose Lodge, OR
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).
Average wind speed in September
Rose Lodge, OR
- Average wind speed in September: 3.9mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in September
Rose Lodge, OR
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (89%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Rose Lodge, OR
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is December (2.56").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in September
Rose Lodge, OR
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is March (18.9 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in September
Rose Lodge, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Rose Lodge, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Rose Lodge, 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: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in September
Rose Lodge, OR
- Average sunshine days in September: 18 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in September
Rose Lodge, OR
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Rose Lodge, OR
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Rose Lodge, OR
- Average visibility in September: 5mi
The months with the highest visibility are June, July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (4mi).





