September weather forecastMedford, OR
September
Weather in September
September in Medford is the gateway to fall with temperatures dropping slightly to between 45.7°F (7.6°C) and 77.5°F (25.3°C). The transition from scorching summer days to cooler fall days becomes noticeable. Daytime sunshine hours start to fade away, making way for increased cloud cover. Even though rainfall begins to increase mildly, the weather remains predominantly dry. The fall season gradually unveils more pleasant conditions, concluding the summer heat wave.Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's 85.1°F (29.5°C) to a still warm 77.5°F (25.3°C). Medford in September observes a sharp transition from the daytime heat, falling to an average low of 45.7°F (7.6°C).Humidity
The average relative humidity in September is 62%.Rainfall
In Medford, in September, during 5.5 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Medford, during the entire year, the rain falls for 130.2 days and collects up to 19.17" (487mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:37 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:54 pm PDT.
Sunshine
The average sunshine in September is 10.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index value 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 translates into the following guidance:
Make use of precautions - It is urged to ward off sun damage. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Medford, OR
- Average high temperature in September: 77.5°F
The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in September: 45.7°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (29.3°F).
Average pressure in September
Medford, OR
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in September
Medford, OR
- Average wind speed in September: 3.4mph
The windiest months (with the highest average wind speed) are January and March (4.2mph).
The calmest months (with the lowest average wind speed) are August, September and October (3.4mph).
Average humidity in September
Medford, OR
- Average humidity in September: 62%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Medford, OR
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in September
Medford, OR
- Average rainfall days in September: 5.5 days
The month with the highest number of rainy days is March (17.8 days).
The month with the least rainy days is August (3.7 days).
Average snowfall in September
Medford, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Medford, OR
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in September /
Average sunshine in September
Medford, OR
- Average daylight in September: 12h and 30min
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: 10h and 42min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Medford, OR
- Average sunshine days in September: 23 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is March (11.2 days).
Average UV index in September
Medford, OR
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Medford, OR
- Average cloud cover in September: 19
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Medford, OR
- Average visibility in September: 6mi
The months with the highest visibility are July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (5mi).
