Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With September's onset, the weather shows a temperature decrease, transitioning from a moderately hot 81.7°F (27.6°C) in August to a pleasant 72.5°F (22.5°C). Marked by a significant drop from the daytime highs, Antelope's average low-temperature in September stands at a chilly 48.6°F (9.2°C).Humidity
In September, the average relative humidity is 55%.Rainfall
In Antelope, Oregon, in September, it is raining for 6.3 days, with typically 0.51" (13mm) of accumulated precipitation. In Antelope, during the entire year, the rain falls for 121.1 days and collects up to 11.38" (289mm) of precipitation.Snowfall
January through May, September, November and December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. In Antelope, during the entire year, snow falls for 35.3 days and aggregates up to 17.6" (447mm) of snow.Daylight
In September, the average length of the day in Antelope is 12h and 30min.On the first day of September, sunrise is at 6:26 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:44 pm PDT.
Sunshine
The average sunshine in September is 10.9h.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 exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What is the temperature in September in Antelope?
What is the average humidity in September in Antelope?
How many days does it rain in September in Antelope?
When does it start to snow in Antelope?
What is the average length of the day in September in Antelope?
When is the sunrise / sunset in September in Antelope?
How long on average sun shines in September in Antelope?
How high is the UV index in September in Antelope?
Average temperature in September
Antelope, 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
Antelope, 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
Antelope, 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
Antelope, 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
Antelope, 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
Antelope, 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
Antelope, 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
Antelope, 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
Antelope, OR
- Average daylight in September: 12h and 3min
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 48min).
- Average sunshine in September: 10h and 5min
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
Antelope, 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
Antelope, 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
Antelope, 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
Antelope, 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).
Antelope, Oregon, USA
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