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 commencement of September indicates a gentle shift in the average high-temperature, receding from August's warm 80.1°F (26.7°C) to an agreeable 72.9°F (22.7°C). Despite higher daytime temperatures, nighttime averages fall to a frosty 46.8°F (8.2°C) in September.Humidity
In Blachly, the average relative humidity in September is 76%.Rainfall
In Blachly, in September, during 5.6 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. In Blachly, during the entire year, the rain falls for 111.5 days and collects up to 7.6" (193mm) of precipitation.Snowfall
In Blachly, snow does not fall in April through October.Daylight
In September, the average length of the day in Blachly is 12h and 29min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:49 pm. On the last day of September, in Blachly, sunrise is at 7:11 am and sunset at 6:55 pm PDT.
Sunshine
In Blachly, the average sunshine in September is 9h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Take precautions - Protection against skin and eye damage is obliged. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When it does not snow in Blachly?
How many hours of daylight does Blachly have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Blachly have in September?
How high is the UV index in September?
Average temperature in September
Blachly, OR
- Average high temperature in September: 72.9°F
The warmest month (with the highest average high temperature) is August (80.1°F).
The month with the lowest average high temperature is December (45.7°F).
- Average low temperature in September: 46.8°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in September
Blachly, OR
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in September
Blachly, OR
- Average wind speed in September: 3.6mph
The windiest month (with the highest average wind speed) is March (4.5mph).
The calmest months (with the lowest average wind speed) are August and September (3.6mph).
Average humidity in September
Blachly, OR
- Average humidity in September: 76%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in September
Blachly, OR
- Average rainfall in September: 0.31"
The wettest month (with the highest rainfall) is December (1.18").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days in September
Blachly, OR
- Average rainfall days in September: 5.6 days
The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is July (2.1 days).
Average snowfall in September
Blachly, OR
- Average snowfall in September: 0"
The month with the highest snowfall is November (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Blachly, OR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Blachly, 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 54min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Blachly, OR
- Average sunshine days in September: 22.2 days
The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is March (12.9 days).
Average UV index in September
Blachly, OR
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Blachly, OR
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Blachly, OR
- Average visibility in September: 4mi
The month with the highest visibility is August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (4mi).
Blachly, Oregon, USA
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