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
The onset of September entails a subtle temperature shift, as the average high-temperature eases from a warm 75.7°F (24.3°C) in August to an agreeable 70.2°F (21.2°C). In Martville, the average nighttime temperature during September is a refreshing 57.4°F (14.1°C).Humidity
With an average relative humidity of 76%, September is the least humid month.Rainfall
March and September are months with the least rain in Martville when the rain falls for 14 days and typically aggregates up to 2.32" (59mm) of rain.Snowfall
June through September are months without snowfall.Daylight
In Martville, the average length of the day in September is 12h and 29min.On the first day of September in Martville, sunrise is at 6:31 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:48 pm EDT.
Sunshine
The average sunshine in September in Martville is 9.5h.UV index
In Martville, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Martville?
What is the least humid month in Martville?
What is the average humidity in September in Martville?
What is the driest month in Martville?
How many days does it rain in September in Martville?
When it does not snow in Martville?
Does it snow in Martville in September?
What is the average length of the day in September in Martville?
When are sunrise and sunset in September in Martville?
How many hours of sunshine does Martville have in September?
What is the UV index reading in September in Martville?
Average temperature in September
Martville, NY
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Martville, 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 (29.92"Hg).
Average wind speed in September
Martville, NY
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in September
Martville, NY
- Average humidity in September: 76%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is September (76%).
Average rainfall in September
Martville, NY
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is October (3.82").
The driest months (with the least rainfall) are March and September (2.32").
Average rainfall days in September
Martville, NY
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is August (18.5 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in September
Martville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Martville, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Martville, NY
- Average daylight in September: 12h and 3min
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 0min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in September
Martville, NY
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is February (5.5 days).
Average UV index in September
Martville, 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
Martville, NY
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in September
Martville, NY
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Martville, New York, USA
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