September weather forecast
Bridgeville, DE

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Weather in September

September acts as a transitional month in Bridgeville, connecting the fading summer and the approaching autumn. Weather conditions change subtly and temperatures fall to a more comfortable 76.6°F (24.8°C). A wave of freshness permeates the air as summer takes its leave. With the passage of the month, leaves start changing colors, painting the town in a cacophony of fiery reds and oranges. As autumn looms, balmy days are interspersed with crisp evenings.

Temperature

September in Bridgeville signals a slight drop in average high-temperature, sliding from August's moderately hot 82.6°F (28.1°C) to a still warm 76.6°F (24.8°C). During the nights in September, Bridgeville experiences a consistent average temperature of 62.8°F (17.1°C).

Humidity

The months with the highest humidity in Bridgeville are May, August and September, with an average relative humidity of 80%.

Rainfall

The month with the least rainfall is September, when the rain falls for 7.7 days and typically collects 0.39" (10mm) of precipitation.

Snowfall

In Bridgeville, snow does not fall in April through October.

Daylight

In Bridgeville, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:32 am and sunset at 7:32 pm. On the last day of September, in Bridgeville, sunrise is at 6:58 am and sunset at 6:46 pm EDT.

Sunshine

The average sunshine in September in Bridgeville, Delaware, is 9.2h.

UV index

In Bridgeville, Delaware, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

What are the temperatures in Bridgeville in September?

In Bridgeville, 76.6°F (24.8°C) is the average high-temperature and 62.8°F (17.1°C) is the average low-temperature during September. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 89.6°F (32°C).

What are the most humid months in Bridgeville?

The months with the highest humidity in Bridgeville, Delaware, are May, August and September, with an average relative humidity of 80%.

What is the average humidity in September in Bridgeville?

In September, the average relative humidity in Bridgeville, Delaware, is 80%.

What is the driest month in Bridgeville?

September is the month with the least rainfall in Bridgeville, Delaware. Rain falls for 7.7 days and accumulates 0.39" (10mm) of precipitation.

How many days does it rain in September in Bridgeville?

In September, the rain falls for 7.7 days. Throughout September, 0.39" (10mm) of precipitation is accumulated.

When it does not snow in Bridgeville?

April through October are months without snowfall in Bridgeville, Delaware.

What is the average length of the day in September in Bridgeville?

The average day length in September in Bridgeville, Delaware, is 12h and 26min.

What time are sunrise and sunset in September in Bridgeville?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:32 pm. On the last day of the month, in Bridgeville, sunrise is at 6:58 am and sunset at 6:46 pm EDT.

How many hours of sunshine does Bridgeville have in September?

In Bridgeville, Delaware, the average sunshine duration in September is 9.2h.

What is the UV index reading in September in Bridgeville?

In Bridgeville, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJFMAMJJASeptemberOND
Aug
September
Oct
Average high temperature
82.6°F 28.1°C
76.6°F 24.8°C
66.9°F 19.4°C
Average low temperature
67.8°F 19.9°C
62.8°F 17.1°C
53.4°F 11.9°C
Average pressure
29.98" 761mmHg
30.04" 763mmHg
30.03" 763mmHg
Average wind speed
6mph 9.7km/h
7mph 11.3km/h
8.1mph 13km/h
Average max. wind speed
6.5mph 10.5km/h
7.3mph 11.7km/h
8.9mph 14.3km/h
Average wind speed gusts
9.8mph 15.8km/h
11.4mph 18.3km/h
13.4mph 21.6km/h
Average humidity
80%
80%
78%
Average rainfall
1.06" 27mm
0.39" 10mm
0.71" 18mm
Average rainfall days
10.4
7.7
6.5
Average snowfall
0" 0mm
0" 0mm
0" 0mm
Average snowfall days
0
0
0
Average daylight
13h 4min
12h 2min
11h 1min
Average sunshine
10h 2min
9h 1min
5h 4min
Average sunshine days
17
19.6
22.6
Average UV index
6
5
4
Average cloud cover
29%
34%
38%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in September
Bridgeville, DE

Average temperature in September - Bridgeville, DE
  • Average high temperature in September: 76.6°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 (41.5°F).

  • Average low temperature in September: 62.8°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

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Average pressure in September
Bridgeville, DE

Average pressure in September - Bridgeville, DE
  • Average pressure in September: 30.04"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in September
Bridgeville, DE

Average wind speed in September - Bridgeville, DE
  • Average wind speed in September: 7mph

The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in September
Bridgeville, DE

Average humidity in September - Bridgeville, DE
  • Average humidity in September: 80%

The months with the highest relative humidity are May, August and September (80%).
The month with the lowest relative humidity is January (74%).

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Average rainfall in September
Bridgeville, DE

Average rainfall in September - Bridgeville, DE
  • Average rainfall in September: 0.39"

The wettest months (with the highest rainfall) are July and August (1.06").
The driest month (with the least rainfall) is September (0.39").

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Average rainfall days in September
Bridgeville, DE

Average rainfall days in September - Bridgeville, DE
  • Average rainfall days in September: 7.7 days

The month with the highest number of rainy days is July (12 days).
The month with the least rainy days is November (4.9 days).

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Average snowfall in September
Bridgeville, DE

Average snowfall in September - Bridgeville, DE
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Bridgeville, DE

Average snowfall days in September - Bridgeville, DE
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Bridgeville, DE

Average daylight in September / Average sunshine in September - Bridgeville, DE
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in September
Bridgeville, DE

Average sunshine days in September - Bridgeville, DE
  • Average sunshine days in September: 19.6 days

The month with the most sunshine days is November (23.9 days).
The month with the least sunshine days is July (15.7 days).

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Average UV index in September
Bridgeville, DE

Average UV index in September - Bridgeville, DE
  • 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 and December (UV index 2).

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Average cloud cover in September
Bridgeville, DE

Average cloud cover in September - Bridgeville, DE
  • 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 28).

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Average visibility in September
Bridgeville, DE

Average visibility in September - Bridgeville, DE
  • 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).

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Bridgeville, Delaware, USA

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