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
Welcoming September, Lake Darby notes an average high-temperature of a still moderately hot 75.2°F (24°C), nearly consistent with August's 80.4°F (26.9°C). Lake Darby, during the month of September, experiences an average low-temperature of 57°F (13.9°C).Humidity
The average relative humidity in September is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.1 days and typically collects 0.91" (23mm) of precipitation.Snowfall
In Lake Darby, snow does not fall in May through September.Daylight
In Lake Darby, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:01 am and sunset at 8:03 pm. On the last day of September, in Lake Darby, Ohio, sunrise is at 7:28 am and sunset at 7:16 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What are the temperatures in Lake Darby in September?
What is the average humidity in September in Lake Darby?
What is the driest month in Lake Darby?
How many days does it rain in September in Lake Darby?
When it does not snow in Lake Darby?
Does it snow in Lake Darby in September?
How many hours of daylight does Lake Darby have in September?
What time are sunrise and sunset in September in Lake Darby?
How many hours of sunshine does Lake Darby have in September?
What is the UV index intensity in September in Lake Darby?
Average temperature in September
Lake Darby, OH
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in September: 57°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Lake Darby, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Lake Darby, OH
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Lake Darby, OH
- Average humidity in September: 76%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Lake Darby, OH
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in September
Lake Darby, OH
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in September
Lake Darby, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Lake Darby, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lake Darby, 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 24min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Lake Darby, OH
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Lake Darby, OH
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Lake Darby, OH
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Lake Darby, OH
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Lake Darby, Ohio, USA
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