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
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's warm 78.4°F (25.8°C) to an agreeable 71.4°F (21.9°C). Fort Johnson's nighttime temperature in September falls to an average of 51.1°F (10.6°C).Humidity
In September, the average relative humidity is 78%.Rainfall
In Fort Johnson, during September, the rain falls for 9.2 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Fort Johnson, during the entire year, the rain falls for 122.4 days and collects up to 18.78" (477mm) of precipitation.Snowfall
In Fort Johnson, snow does not fall in June through September.Daylight
In September, the average length of the day in Fort Johnson is 12h and 29min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:31 pm. On the last day of September, in Fort Johnson, sunrise is at 6:53 am and sunset at 6:39 pm EDT.
Sunshine
The average sunshine in September is 9h.UV index
In Fort Johnson, New York, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 3 in September translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Fort Johnson in September?
What is the average humidity in September in Fort Johnson?
How much does it rain in Fort Johnson in September?
When it does not snow in Fort Johnson?
Does it snow in Fort Johnson in September?
How many hours of daylight does Fort Johnson have in September?
What time are sunrise and sunset in September in Fort Johnson?
How long on average sun shines in September in Fort Johnson?
How high is the UV index in September in Fort Johnson?
Average temperature in September
Fort Johnson, NY
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in September
Fort Johnson, NY
- Average pressure in September: 30.06"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
Fort Johnson, NY
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Fort Johnson, NY
- Average humidity in September: 78%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Fort Johnson, NY
- Average rainfall in September: 1.26"
The wettest months (with the highest rainfall) are May and October (2.01").
The driest month (with the least rainfall) is March (1.14").
Average rainfall days in September
Fort Johnson, NY
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in September
Fort Johnson, NY
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fort Johnson, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fort Johnson, 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 6min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Fort Johnson, NY
- Average sunshine days in September: 18.9 days
The month with the most sunshine days is November (19.8 days).
The months with the least sunshine days are April, May and July (14.3 days).
Average UV index in September
Fort Johnson, NY
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Fort Johnson, NY
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Fort Johnson, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
Fort Johnson, New York, USA
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