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
As September commences, the average high-temperature subtly reduces, transitioning from a moderately hot 84°F (28.9°C) in August to a still warm 77.5°F (25.3°C). Harwood Park experiences a nighttime temperature average of 61.7°F (16.5°C) during September.Humidity
In Harwood Park, the average relative humidity in September is 74%.Rainfall
In Harwood Park, during September, the rain falls for 13.4 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Harwood Park, during the entire year, the rain falls for 158.5 days and collects up to 30.12" (765mm) of precipitation.Snowfall
In Harwood Park, Maryland, snow does not fall in April through October.Daylight
In Harwood Park, the average length of the day in September is 12h and 26min.On the first day of September in Harwood Park, sunrise is at 6:36 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:50 pm EDT.
Sunshine
The average sunshine in September in Harwood Park is 9.3h.UV index
The average daily maximum UV index in September in Harwood Park is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
What is the average September temperature in Harwood Park?
What is the average humidity in September in Harwood Park?
How many days does it rain in September in Harwood Park?
When it does not snow in Harwood Park?
How many hours of daylight does Harwood Park have in September?
What time are sunrise and sunset in September in Harwood Park?
How many hours of sunshine does Harwood Park have in September?
How high is the UV index in September in Harwood Park?
Average temperature in September
Harwood Park, MD
- Average high temperature in September: 77.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in September
Harwood Park, MD
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Harwood Park, MD
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
Harwood Park, MD
- Average humidity in September: 74%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in September
Harwood Park, MD
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in September
Harwood Park, MD
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Harwood Park, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Harwood Park, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Harwood Park, MD
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in September
Harwood Park, MD
- Average sunshine days in September: 14 days
The month with the most sunshine days is November (19.8 days).
The months with the least sunshine days are May and July (10.9 days).
Average UV index in September
Harwood Park, MD
- Average UV index in September: 5
The months with the highest UV index are May, 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
Harwood Park, MD
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Harwood Park, MD
- 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).
Harwood Park, Maryland, USA
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