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
A minor adjustment in Amherst's average high-temperature is noted with the start of September, touching a pleasant 71.6°F (22°C) from August's 76.6°F (24.8°C). Amherst's average low-temperature is measured at a refreshing 59.7°F (15.4°C) during September.Humidity
In September, the average relative humidity is 77%.Rainfall
In September, in Amherst, Ohio, the rain falls for 14.9 days. Throughout September, 2.24" (57mm) of precipitation is accumulated. In Amherst, during the entire year, the rain falls for 177.7 days and collects up to 33.98" (863mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September in Amherst, sunrise is at 6:55 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:11 pm EDT.
Sunshine
The average sunshine in September in Amherst is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Amherst in September?
What is the average humidity in September in Amherst?
How many days does it rain in September in Amherst?
When it does not snow in Amherst?
How many hours of daylight does Amherst have in September?
When are sunrise and sunset in September in Amherst?
How many hours of sunshine does Amherst have in September?
How high is the UV index in September in Amherst?
Average temperature in September
Amherst, OH
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Amherst, 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
Amherst, OH
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in September
Amherst, OH
- Average humidity in September: 77%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is November (75%).
Average rainfall in September
Amherst, OH
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is June (3.94").
The driest month (with the least rainfall) is February (2.13").
Average rainfall days in September
Amherst, OH
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in September
Amherst, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.72").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Amherst, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Amherst, 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 2min
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 0min).
Average sunshine days in September
Amherst, OH
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is September (11.9 days).
The month with the least sunshine days is February (8.1 days).
Average UV index in September
Amherst, 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
Amherst, OH
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in September
Amherst, OH
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Amherst, Ohio, USA
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