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 advent denotes a minor fluctuation in the average high-temperature to an agreeable 70.7°F (21.5°C) from August's 75.7°F (24.3°C). In Wilmer, the average temperature during the nights of September drops to a refreshing 61°F (16.1°C).Humidity
In September, the average relative humidity is 77%.Rainfall
In Wilmer, in September, it is raining for 14.4 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, there are 160.4 rainfall days, and 32.99" (838mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Wilmer, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:57 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:13 pm EDT.
Sunshine
In Wilmer, the average sunshine in September is 8.2h.UV index
In Wilmer, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September in Wilmer?
How much does it rain in September?
When it does not snow in Wilmer?
How many hours of daylight does Wilmer have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Wilmer have in September?
How high is the UV index in September?
Average temperature in September
Wilmer, OH
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in September: 61°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Wilmer, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Wilmer, OH
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in September
Wilmer, OH
- Average humidity in September: 77%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
Wilmer, OH
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is June (4.41").
The driest months (with the least rainfall) are February and December (1.61").
Average rainfall days in September
Wilmer, OH
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is May (17.8 days).
The months with the least rainy days are January and February (7.8 days).
Average snowfall in September
Wilmer, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Wilmer, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Wilmer, 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 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Wilmer, OH
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is March (14.1 days).
The month with the least sunshine days is February (9.6 days).
Average UV index in September
Wilmer, OH
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Wilmer, OH
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in September
Wilmer, OH
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Wilmer, Ohio, USA
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