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
Keswick Grove experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a moderately hot 81.1°F (27.3°C) in August to a still warm 74.7°F (23.7°C). In Keswick Grove, in September, the average low-temperature is a comfortable 62.1°F (16.7°C).Humidity
In September, the average relative humidity in Keswick Grove is 78%.Rainfall
The months with the least rainfall in Keswick Grove are January and September Rain falls for 9.5 days and accumulates 0.55" (14mm) of rain.Snowfall
April through October are months without snowfall.Daylight
In Keswick Grove, the average length of the day in September is 12h and 26min.On the first day of September in Keswick Grove, sunrise is at 6:25 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:40 pm EDT.
Sunshine
In Keswick Grove, the average sunshine in September is 8.8h.UV index
In Keswick Grove, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What are the temperatures in Keswick Grove in September?
What is the average humidity in September in Keswick Grove?
What is the driest month in Keswick Grove?
How many days does it rain in September in Keswick Grove?
When it does not snow in Keswick Grove?
How many hours of daylight does Keswick Grove have in September?
When is the sunrise / sunset in September in Keswick Grove?
How long on average sun shines in September in Keswick Grove?
What is the UV index intensity in September in Keswick Grove?
Average temperature in September
Keswick Grove, NJ
- Average high temperature in September: 74.7°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in September: 62.1°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in September
Keswick Grove, NJ
- Average pressure in September: 30.05"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
Keswick Grove, NJ
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Keswick Grove, NJ
- Average humidity in September: 78%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Keswick Grove, NJ
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is July (1.38").
The driest months (with the least rainfall) are January and September (0.55").
Average rainfall days in September
Keswick Grove, NJ
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in September
Keswick Grove, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Keswick Grove, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Keswick Grove, NJ
- Average daylight in September: 12h and 2min
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 24min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Keswick Grove, NJ
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (14.1 days).
Average UV index in September
Keswick Grove, NJ
- 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, November and December (UV index 2).
Average cloud cover in September
Keswick Grove, NJ
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in September
Keswick Grove, NJ
- 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).
Keswick Grove, New Jersey, USA
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