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 records a minor alteration in the average high-temperature to a still moderately hot 73.8°F (23.2°C) from August's 78.8°F (26°C). During September, Prospect records a consistent average nighttime temperature of 55.4°F (13°C).Humidity
In Prospect, Ohio, the average relative humidity in September is 79%.Rainfall
In Prospect, in September, during 11.7 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Prospect, during the entire year, the rain falls for 145.3 days and collects up to 18.94" (481mm) of precipitation.Snowfall
In Prospect, snow does not fall in May through September.Daylight
In September, the average length of the day in Prospect is 12h and 27min.On the first day of September, sunrise is at 7:00 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:16 pm EDT.
Sunshine
In September, the average sunshine is 8h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What are September temperatures in Prospect?
What is the average humidity in September in Prospect?
How many days does it rain in September in Prospect?
When it does not snow in Prospect?
Does it snow in Prospect in September?
How many hours of daylight does Prospect have in September?
When are sunrise and sunset in September in Prospect?
How long on average sun shines in September in Prospect?
What is the UV index reading in September in Prospect?
Average temperature in September
Prospect, OH
- Average high temperature in September: 73.8°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Prospect, 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
Prospect, OH
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Prospect, OH
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Prospect, OH
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in September
Prospect, OH
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in September
Prospect, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Prospect, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Prospect, 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 July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Prospect, OH
- Average sunshine days in September: 16 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in September
Prospect, 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
Prospect, OH
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Prospect, OH
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (6mi).
The month with the lowest visibility is September (5mi).
Prospect, Ohio, USA
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