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 advent of September presents an average high-temperature of a still warm 74.1°F (23.4°C), maintaining a close correlation with the preceding month. In September, Hagerstown's temperature tends to fall to an average low of 56.5°F (13.6°C) during the night.Humidity
The average relative humidity in September in Hagerstown is 79%.Rainfall
In Hagerstown, in September, it is raining for 14.8 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, there are 172.8 rainfall days, and 32.32" (821mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Hagerstown, the average length of the day in September is 12h and 26min.On the first day of September in Hagerstown, sunrise is at 7:09 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:24 pm EDT.
Sunshine
In September, the average sunshine is 8h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Around midday, solar radiation is most harmful; hence, exposure should be limited. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What are the temperatures in Hagerstown in September?
What is the average humidity in September in Hagerstown?
How much does it rain in Hagerstown in September?
When it does not snow in Hagerstown?
Does it snow in Hagerstown in September?
What is the average length of the day in September in Hagerstown?
When are sunrise and sunset in September in Hagerstown?
How many hours of sunshine does Hagerstown have in September?
What is the UV index reading in September in Hagerstown?
Average temperature in September
Hagerstown, IN
- Average high temperature in September: 74.1°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Hagerstown, IN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Hagerstown, IN
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in September
Hagerstown, IN
- Average humidity in September: 79%
The months with the highest relative humidity are January, July and December (83%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Hagerstown, IN
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in September
Hagerstown, IN
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (9 days).
Average snowfall in September
Hagerstown, IN
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Hagerstown, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 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
Hagerstown, IN
- 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 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Hagerstown, IN
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in September
Hagerstown, IN
- Average UV index in September: 4
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Hagerstown, IN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Hagerstown, IN
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Hagerstown, Indiana, USA
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