September weather forecast
Hilltop, MD

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Weather in September

September, the first month of the autumn in Hilltop, is also a moderately hot month, with an average temperature varying between 75.9°F (24.4°C) and 58.6°F (14.8°C).

Temperature

September signals a slight drop in average high-temperature, sliding from August's warm 82.6°F (28.1°C) to a still moderately hot 75.9°F (24.4°C). During September, Hilltop experiences a consistent low-temperature average of 58.6°F (14.8°C).

Humidity

In September, the average relative humidity is 78%.

Rainfall

In September, the rain falls for 11.4 days. Throughout September, 1.14" (29mm) of precipitation is accumulated. In Hilltop, during the entire year, the rain falls for 130.3 days and collects up to 15.47" (393mm) of precipitation.

Snowfall

In Hilltop, snow does not fall in May through October.

Daylight

In Hilltop, the average length of the day in September is 12h and 26min.
On the first day of September, 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

In Hilltop, the average sunshine in September is 8.8h.

UV index

In Hilltop, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A daily high UV index of 4 in September leads to these guidelines:
Take necessary precautions - Suggestions to elude sunburn are provided. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

In Hilltop, in September, the average high-temperature is 75.9°F (24.4°C), and the average low-temperature is 58.6°F (14.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 89.6°F (32°C).

What is the average humidity in September?

The average relative humidity in September is 78%.

How much does it rain in September?

In Hilltop, in September, it is raining for 11.4 days, with typically 1.14" (29mm) of accumulated precipitation.

When it does not snow?

In Hilltop, snow does not fall in May through October.

What is the average length of the day in September?

In September, the average day length in Hilltop is 12h and 26min.

When is the sunrise / sunset in September?

On the first day of September, 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.

How many hours of sunshine does Hilltop have in September?

The average sunshine duration in September is 8.8h.

What is the UV index reading in September?

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Hilltop, MD

Average temperature in September - Hilltop, MD
  • Average high temperature in September: 75.9°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in September: 58.6°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in September
Hilltop, MD

Average pressure in September - Hilltop, MD
  • Average pressure in September: 30.06"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
Hilltop, MD

Average wind speed in September - Hilltop, MD
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in September
Hilltop, MD

Average humidity in September - Hilltop, MD
  • Average humidity in September: 78%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, April, July and November (75%).

Average rainfall in September
Hilltop, MD

Average rainfall in September - Hilltop, MD
  • Average rainfall in September: 1.14"

The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is February (0.79").

Average rainfall days in September
Hilltop, MD

Average rainfall days in September - Hilltop, MD
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is August (15.1 days).
The months with the least rainy days are January and February (6.8 days).

Average snowfall in September
Hilltop, MD

Average snowfall in September - Hilltop, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Hilltop, MD

Average snowfall days in September - Hilltop, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.9 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
Hilltop, MD

Average daylight in September / Average sunshine in September - Hilltop, 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: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
Hilltop, MD

Average sunshine days in September - Hilltop, MD
  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (12.9 days).

Average UV index in September
Hilltop, MD

Average UV index in September - Hilltop, MD
  • Average UV index in September: 4

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
Hilltop, MD

Average cloud cover in September - Hilltop, MD
  • Average cloud cover in September: 38

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in September
Hilltop, MD

Average visibility in September - Hilltop, MD
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Hilltop, Maryland, USA

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