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 witnesses a gentle descent in average high-temperature, descending from August's 85.6°F (29.8°C) to a still warm 79.3°F (26.3°C). The significant decline in Wonder's temperature, from day to night, averages of 56.8°F (13.8°C) in September.Humidity
In Wonder, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 1.85" (47mm) of precipitation.Snowfall
May through September are months without snowfall in Wonder.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 7:01 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:14 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 5 in September translates into this advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Wonder in September?
What is the average humidity in September?
What is the driest month in Wonder?
How much does it rain in Wonder in September?
When it does not snow in Wonder?
Does it snow in September?
How many hours of daylight does Wonder have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Wonder, KY
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in September
Wonder, KY
- Average pressure in September: 30.05"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Wonder, KY
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Wonder, KY
- Average humidity in September: 76%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August and November (74%).
Average rainfall in September
Wonder, KY
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is February (3.66").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
Wonder, KY
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in September
Wonder, KY
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Wonder, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Wonder, KY
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Wonder, KY
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is October (16.1 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in September
Wonder, KY
- Average UV index in September: 5
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 and December (UV index 2).
Average cloud cover in September
Wonder, KY
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Wonder, KY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
Wonder, Kentucky, USA
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