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
Langlois's weather in September indicates an average high-temperature of a still enjoyable 65.3°F (18.5°C), nearly consistent with the 66°F (18.9°C) of August. Throughout September, Langlois witnesses a nighttime temperature average of 53.6°F (12°C).Humidity
In Langlois, the average relative humidity in September is 81%.Rainfall
In Langlois, Oregon, in September, during 7.2 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, in Langlois, there are 148.6 rainfall days, and 34.13" (867mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall in Langlois, Oregon.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:51 pm. On the last day of September, in Langlois, Oregon, sunrise is at 7:14 am and sunset at 7:00 pm PDT.
Sunshine
In Langlois, the average sunshine in September is 9.9h.UV index
The average daily maximum UV index in September in Langlois is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 4 during September translates into the following guidance:
Adopt protective measures - It is advised to guard against sun damage. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What are the temperatures in Langlois in September?
What is the average humidity in September in Langlois?
How much does it rain in Langlois in September?
When it does not snow in Langlois?
What is the average length of the day in September in Langlois?
When are sunrise and sunset in September in Langlois?
How long on average sun shines in September in Langlois?
What is the UV index reading in September in Langlois?
Average temperature in September
Langlois, OR
- Average high temperature in September: 65.3°F
The warmest month (with the highest average high temperature) is August (66°F).
The month with the lowest average high temperature is December (50.5°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is February (43°F).
Average pressure in September
Langlois, OR
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).
Average wind speed in September
Langlois, OR
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest months (with the lowest average wind speed) are August and September (8.1mph).
Average humidity in September
Langlois, OR
- Average humidity in September: 81%
The month with the highest relative humidity is August (84%).
The months with the lowest relative humidity are April, October and December (80%).
Average rainfall in September
Langlois, OR
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is December (5.83").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in September
Langlois, OR
- Average rainfall days in September: 7.2 days
The month with the highest number of rainy days is March (18.9 days).
The months with the least rainy days are July and August (3.6 days).
Average snowfall in September
Langlois, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Langlois, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
Langlois, OR
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Langlois, OR
- Average sunshine days in September: 21.7 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (10.4 days).
Average UV index in September
Langlois, OR
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in September
Langlois, OR
- Average cloud cover in September: 25
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in September
Langlois, OR
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Langlois, Oregon, USA
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