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 onset introduces a mild reduction in the average high-temperature, from 82.9°F (28.3°C) in August to a still warm 77.2°F (25.1°C). The average low-temperature, in September, in West Arnheim, is a refreshing 58.1°F (14.5°C).Humidity
The months with the lowest humidity are August through November, with an average relative humidity of 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.4 days and typically collects 1.42" (36mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In West Arnheim, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 7:05 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:19 pm EDT.
Sunshine
In September, the average sunshine in West Arnheim, Ohio, is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What are September temperatures in West Arnheim?
What are the least humid months in West Arnheim?
What is the average humidity in September in West Arnheim?
What is the driest month in West Arnheim?
How many days does it rain in September in West Arnheim?
When it does not snow in West Arnheim?
Does it snow in West Arnheim in September?
What is the average length of the day in September in West Arnheim?
When are sunrise and sunset in September in West Arnheim?
How many hours of sunshine does West Arnheim have in September?
How high is the UV index in September in West Arnheim?
Average temperature in September
West Arnheim, OH
- Average high temperature in September: 77.2°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in September
West Arnheim, OH
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
West Arnheim, OH
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
West Arnheim, OH
- Average humidity in September: 76%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are August, September, October and November (76%).
Average rainfall in September
West Arnheim, OH
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in September
West Arnheim, OH
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (17.2 days).
The months with the least rainy days are January and November (9 days).
Average snowfall in September
West Arnheim, OH
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
West Arnheim, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
West Arnheim, OH
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
West Arnheim, OH
- Average sunshine days in September: 16 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
West Arnheim, 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
West Arnheim, OH
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
West Arnheim, OH
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
West Arnheim, Ohio, USA
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