September weather forecastMadras, OR
September
Weather in September
September walks the line between summer and autumn, bringing about a transition in weather conditions. Although the temperatures remain relatively high, a change in the pattern can be noticed towards the latter part of the month. Daylight begins to trim, and temperatures start to dip, heralding the coming of autumn. Rainfall becomes a more probable occurrence, adorning Madras with a beautiful autumnal charm. The once clear, cloudless sky slowly gets dotted with clouds, bringing about a visual treat for cloud watchers.Temperature
Madras's September weather features a mild decline in high-temperatures, reducing from a moderately hot 81.7°F (27.6°C) in August to a pleasant 72.5°F (22.5°C). Madras logs a substantial downturn to a frosty 48.6°F (9.2°C) during September nights, a considerable shift from daytime highs.Humidity
In Madras, the average relative humidity in September is 55%.Rainfall
In Madras, in September, it is raining for 6.3 days, with typically 0.51" (13mm) of accumulated precipitation. In Madras, Oregon, during the entire year, the rain falls for 121.1 days and collects up to 11.38" (289mm) of precipitation.Snowfall
Months with snowfall are January through May, September, November and December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 35.3 snowfall days, and 17.6" (447mm) of snow is accumulated.Daylight
In Madras, the average length of the day in September is 12h and 30min.On the first day of September, sunrise is at 6:28 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:46 pm PDT.
Sunshine
The average sunshine in September is 10.9h.UV index
In Madras, the average daily maximum UV index in September is 4. 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: The daily maximum UV index of 4 in September interprets into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Madras, OR
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (37.9°F).
- Average low temperature in September: 48.6°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).
Average pressure in September
Madras, OR
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in September
Madras, OR
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Madras, OR
- Average humidity in September: 55%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (48%).
Average rainfall in September
Madras, OR
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is December (1.69").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in September
Madras, OR
- Average rainfall days in September: 6.3 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is July (3 days).
Average snowfall in September
Madras, OR
- Average snowfall in September: 0.08"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and October (0").
Average snowfall days in September
Madras, OR
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (9.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Madras, OR
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 10h and 54min
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 18min).
Average sunshine days in September
Madras, OR
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is July (26 days).
The month with the least sunshine days is February (10.9 days).
Average UV index in September
Madras, OR
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Madras, OR
- Average cloud cover in September: 18
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in September
Madras, OR
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
