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
The beginning of September in Bend brings a slight decrease in the average high-temperature, transitioning from a warm 78.8°F (26°C) in August to an agreeable 70°F (21.1°C). Bend reports a marked divergence from daytime peaks throughout September, with lows averaging at a chilly 46°F (7.8°C).Humidity
The average relative humidity in September is 56%.Rainfall
In Bend, during September, the rain falls for 6.6 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, in Bend, there are 107.1 rainfall days, and 12.17" (309mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Bend. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.43" (11mm) of snow. In Bend, during the entire year, snow falls for 44.9 days and aggregates up to 24.57" (624mm) of snow.Daylight
In Bend, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:47 pm PDT.
Sunshine
The average sunshine in September is 10.8h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the average September temperature in Bend?
What is the average humidity in September in Bend?
How much does it rain in Bend in September?
When does it start snowing in Bend?
How many hours of daylight does Bend have in September?
When are sunrise and sunset in September in Bend?
How long on average sun shines in September in Bend?
What is the UV index reading in September in Bend?
Average temperature in September
Bend, OR
- Average high temperature in September: 70°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is December (35.8°F).
- Average low temperature in September: 46°F
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (24.6°F).
Average pressure in September
Bend, 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 (29.97"Hg).
Average wind speed in September
Bend, OR
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Bend, OR
- Average humidity in September: 56%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is July (48%).
Average rainfall in September
Bend, OR
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in September
Bend, OR
- Average rainfall days in September: 6.6 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is July (4.8 days).
Average snowfall in September
Bend, OR
- Average snowfall in September: 0.43"
The month with the highest snowfall is February (6.65").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Bend, OR
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is March (9.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Bend, OR
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Bend, OR
- Average sunshine days in September: 20.4 days
The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in September
Bend, OR
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Bend, 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 10).
Average visibility in September
Bend, 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).
Bend, Oregon, USA
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