September weather forecastSouth Lima, NY
September
Weather in September
September, the first month of the autumn in South Lima, is still a pleasant month, with an average temperature ranging between max 71.4°F (21.9°C) and min 52.7°F (11.5°C).Temperature
As September begins, there is a minor decrease in the average high-temperature, softly falling from a warm 77.5°F (25.3°C) in August to a pleasant 71.4°F (21.9°C). Throughout September, South Lima records an average temperature of 52.7°F (11.5°C) at night.Humidity
The average relative humidity in September in South Lima is 78%.Rainfall
January and September are months with the least rain in South Lima, New York, when the rain falls for 14.5 days and typically aggregates up to 1.77" (45mm) of rain.Snowfall
In South Lima, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September in South Lima, sunrise is at 6:36 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:53 pm EDT.
Sunshine
In South Lima, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September in South Lima is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In September, an average UV index of 3 transforms into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
South Lima, NY
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in September
South Lima, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
South Lima, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in September
South Lima, NY
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in September
South Lima, NY
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (2.95").
The driest months (with the least rainfall) are January and September (1.77").
Average rainfall days in September
South Lima, NY
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in September
South Lima, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
South Lima, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
South Lima, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in September
South Lima, NY
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is September (13.1 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in September
South Lima, NY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
South Lima, NY
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
South Lima, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (5mi).
