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 onset of September aligns with a soft reduction in the average high-temperature, gently falling from a moderately hot 78.8°F (26°C) in August to an agreeable 73.2°F (22.9°C). Danville in September experiences a low-temperature average of 54.5°F (12.5°C).Humidity
In Danville, Ohio, the average relative humidity in September is 80%.Rainfall
In September, the rain falls for 12.1 days. Throughout September, 1.3" (33mm) of precipitation is accumulated. Throughout the year, in Danville, there are 148.8 rainfall days, and 18.9" (480mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Danville.Daylight
In Danville, Ohio, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:57 am and sunset at 8:00 pm. On the last day of September, in Danville, sunrise is at 7:25 am and sunset at 7:12 pm EDT.
Sunshine
In Danville, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index in Danville is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What is the temperature in September in Danville?
What is the average humidity in September in Danville?
How many days does it rain in September in Danville?
When it does not snow in Danville?
What is the average length of the day in September in Danville?
When is the sunrise / sunset in September in Danville?
How many hours of sunshine does Danville have in September?
How high is the UV index in September in Danville?
Average temperature in September
Danville, OH
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in September
Danville, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Danville, OH
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Danville, OH
- Average humidity in September: 80%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are March, April and November (78%).
Average rainfall in September
Danville, OH
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in September
Danville, OH
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in September
Danville, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Danville, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Danville, OH
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Danville, OH
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in September
Danville, OH
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Danville, OH
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Danville, OH
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
Danville, Ohio, USA
Weather forecast for your location
2. Allow the app to use your location
