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
Butler's entry into September measures an average high-temperature of a still warm 73.4°F (23°C), closely parallel to the preceding month. Butler, during the month of September, experiences an average low-temperature of 54.3°F (12.4°C).Humidity
In September, the average relative humidity in Butler is 81%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.7 days and typically collects 1.93" (49mm) of precipitation.Snowfall
In Butler, snow does not fall in June through September.Daylight
In September, the average length of the day in Butler is 12h and 27min.On the first day of the month, sunrise is at 6:57 am and sunset at 8:01 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:12 pm EDT.
Sunshine
The average sunshine in September is 8h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 during September translates into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Butler in September?
What is the average humidity in September in Butler?
What is the driest month in Butler?
How many days does it rain in September in Butler?
When it does not snow in Butler?
Does it snow in Butler in September?
What is the average length of the day in September in Butler?
What time are sunrise and sunset in September in Butler?
How many hours of sunshine does Butler have in September?
How high is the UV index in September in Butler?
Average temperature in September
Butler, OH
- Average high temperature in September: 73.4°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: 54.3°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in September
Butler, 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 (29.93"Hg).
Average wind speed in September
Butler, 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
Butler, OH
- Average humidity in September: 81%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and November (78%).
Average rainfall in September
Butler, OH
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in September
Butler, OH
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Butler, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Butler, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Butler, 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 0min).
Average sunshine days in September
Butler, OH
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is November (15 days).
The months with the least sunshine days are February and June (9.3 days).
Average UV index in September
Butler, OH
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Butler, OH
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Butler, OH
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
Butler, Ohio, USA
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