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
September's climate shows a minor adjustment in average high-temperatures to a still moderately hot 73.8°F (23.2°C) from August's 78.6°F (25.9°C). During September, Bluffton records a consistent average nighttime temperature of 55.6°F (13.1°C).Humidity
In September, the average relative humidity is 79%.Rainfall
In Bluffton, Ohio, in September, during 9.2 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Bluffton, during the entire year, the rain falls for 120.1 days and collects up to 9.49" (241mm) of precipitation.Snowfall
In Bluffton, Ohio, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 7:03 am and sunset at 8:07 pm. On the last day of September, in Bluffton, sunrise is at 7:31 am and sunset at 7:18 pm EDT.
Sunshine
In September, the average sunshine is 7.9h.UV index
The average daily maximum UV index in September in Bluffton is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What are the temperatures in Bluffton in September?
What is the average humidity in September in Bluffton?
How much does it rain in Bluffton in September?
When it does not snow in Bluffton?
How many hours of daylight does Bluffton have in September?
What time are sunrise and sunset in September in Bluffton?
How many hours of sunshine does Bluffton have in September?
How high is the UV index in September in Bluffton?
Average temperature in September
Bluffton, OH
- Average high temperature in September: 73.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 55.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Bluffton, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Bluffton, OH
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Bluffton, OH
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Bluffton, OH
- Average rainfall in September: 0.59"
The wettest month (with the highest rainfall) is May (1.22").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in September
Bluffton, OH
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (5.1 days).
Average snowfall in September
Bluffton, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Bluffton, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bluffton, OH
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Bluffton, OH
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in September
Bluffton, OH
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Bluffton, OH
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Bluffton, OH
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
Bluffton, Ohio, USA
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