September is a slightly cold and slightly rainy time for sunbathing in Oregon. September is too cold for swimming in Oregon for any length of time, unless you have a wetsuit. Consider visiting Oregon in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for September.
The average maximum temperature in Oregon in September is 19°. The average maximum temperature is 19° in the previous month and 16° in the next month.
The average temperature in Oregon in September is 14°. The average temperature ranges is 15° in the previous month and 12° in the next month.
The average minimum temperature in Oregon in September is 10°. The minimum temperature is 12° in the previous month and 8° in the next month.
The average day light hours per day in Oregon in September are 12.6 and there are 7 hours of sunshine per day on average during September making it a quite sunny month with some cloud cover.
The ultraviolet index in Oregon in September is typically 5.8 during September. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in Oregon in September is 13.9° which is cold for swimming, a full wet suit is required to spend any length of time in the sea.
The average total rainfall in Oregon in September is 6.1cm and on average there are 11.4 rainy days in September making it a slightly wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Oregon in September is 13° which is comfortable for everyone. The dew point is 14° in the previous month and 11° in the next month.
The average maximum relative humidity in Oregon in September is typically 97.6%. The maximum relative humidity is 97.8% in the previous month and 97.8% in the next month.
The average relative humidity in Oregon in September is typically 83.3%. The average relative humidity is 84.7% in the previous month and 84.5% in the next month.
The average maximum wind speed in Oregon in September is typically 25kmh. The average maximum wind speed is 25kmh in the previous month and 26kmh in the next month.
The average wind speed in Oregon in September is typically 9kmh. The average wind speed is 9kmh in the previous month and 10kmh in the next month.
The average wind direction in Oregon in September is from the West-Northwest.
