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 arrival aligns with a minor decrease in average high-temperatures, from August's moderately hot 78.4°F (25.8°C) to a pleasant 72.3°F (22.4°C). East Massapequa notes a steady average temperature of 65.7°F (18.7°C) during the nights of September.Humidity
In East Massapequa, the average relative humidity in September is 74%.Rainfall
In East Massapequa, during September, the rain falls for 13.2 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 158.8 rainfall days, and 31.38" (797mm) of precipitation is accumulated.Snowfall
In East Massapequa, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 27min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:25 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:37 pm EDT.
Sunshine
The average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Suggestions to elude sunburn are provided. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What are the temperatures in East Massapequa in September?
What is the average humidity in September in East Massapequa?
How many days does it rain in September in East Massapequa?
When it does not snow in East Massapequa?
Does it snow in East Massapequa in September?
How many hours of daylight does East Massapequa have in September?
What time are sunrise and sunset in September in East Massapequa?
How long on average sun shines in September in East Massapequa?
What is the UV index intensity in September in East Massapequa?
Average temperature in September
East Massapequa, NY
- Average high temperature in September: 72.3°F
The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in September: 65.7°F
The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in September
East Massapequa, 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
East Massapequa, NY
- Average wind speed in September: 10.5mph
The windiest month (with the highest average wind speed) is January (13.9mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).
Average humidity in September
East Massapequa, NY
- Average humidity in September: 74%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in September
East Massapequa, NY
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in September
East Massapequa, NY
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in September
East Massapequa, NY
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
East Massapequa, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.3 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
East Massapequa, NY
- Average daylight in September: 12h and 3min
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: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
East Massapequa, NY
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in September
East Massapequa, NY
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in September
East Massapequa, NY
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
East Massapequa, NY
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
East Massapequa, New York, USA
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