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 start of September comes with a small reduction in the average high-temperature, subtly receding from 85.1°F (29.5°C) in August to a still moderately hot 77.5°F (25.3°C). The nighttime temperature during September displays a significant divergence from daily peaks, averaging at a frosty 45.7°F (7.6°C).Humidity
The average relative humidity in September is 62%.Rainfall
In Jacksonville, in September, it is raining for 5.5 days, with typically 0.67" (17mm) of accumulated precipitation. In Jacksonville, during the entire year, the rain falls for 130.2 days and collects up to 19.17" (487mm) of precipitation.Snowfall
In Jacksonville, snow does not fall in May through October.Daylight
The average length of the day in September in Jacksonville is 12h and 28min.On the first day of September in Jacksonville, sunrise is at 6:38 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:54 pm PDT.
Sunshine
The average sunshine in September in Jacksonville is 10.7h.UV index
The average daily maximum UV index in September in Jacksonville is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 during September translates into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What is the usual temperature for Jacksonville in September?
What is the average humidity in September in Jacksonville?
How much does it rain in Jacksonville in September?
When it does not snow in Jacksonville?
How many hours of daylight does Jacksonville have in September?
When is the sunrise / sunset in September in Jacksonville?
How long on average sun shines in September in Jacksonville?
What is the UV index intensity in September in Jacksonville?
Average temperature in September
Jacksonville, OR
- Average high temperature in September: 77.5°F
The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in September: 45.7°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 (29.3°F).
Average pressure in September
Jacksonville, OR
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in September
Jacksonville, OR
- Average wind speed in September: 3.4mph
The windiest months (with the highest average wind speed) are January and March (4.2mph).
The calmest months (with the lowest average wind speed) are August, September and October (3.4mph).
Average humidity in September
Jacksonville, OR
- Average humidity in September: 62%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Jacksonville, OR
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in September
Jacksonville, OR
- Average rainfall days in September: 5.5 days
The month with the highest number of rainy days is March (17.8 days).
The month with the least rainy days is August (3.7 days).
Average snowfall in September
Jacksonville, OR
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Jacksonville, OR
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in September /
Average sunshine in September
Jacksonville, OR
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 10h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Jacksonville, OR
- Average sunshine days in September: 23 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is March (11.2 days).
Average UV index in September
Jacksonville, OR
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Jacksonville, OR
- Average cloud cover in September: 19
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Jacksonville, OR
- Average visibility in September: 6mi
The months with the highest visibility are July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (5mi).
Jacksonville, Oregon, USA
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