World Resorts USA Mobile Weather

Mobile weather in September

Weather in Mobile: September

Average day temperature: 86.2°F
Average night temperature: 72.8°F
Sea water temperature: 83.4°F
Number of sunny days: 15 days
Day length: 11.9 - 12.8 hours
Number of rainy days: 3 days
Precipitation totals: 2.1 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 95°F. At the same time the lowest night temperature was 68°F. Daily and nightly averages during September were 90.5°F and 73.3°F.

Sea water temperature in Mobile in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 84.0°F. The highest and lowest sea temperatures during the month were 85.6°F and 81.7°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Mobile in September is 2.1 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 5.4 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 8.3.

Best time for vacation in Mobile

Sunniest months:
October 21 days
November 15 days
September 15 days
Warmest months:
August 90.0 °F
July 88.9 °F
June 88.0 °F
Warmest sea temp:
August 86.5 °F
July 85.4 °F
September 83.4 °F
Coldest months:
January 57.4 °F
December 61.9 °F
February 62.4 °F
Rainiest months:
July 6 days
August 5 days
June 4 days
Windiest months:
April 7.3 mph
March 7.3 mph
February 7.0 mph

Mobile on a weather map

Mobile
+50°F
W 9 mph
Feels like: +48°F
Precip.: 100%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+9°F
24 Hours Forecast
Mobile
Local time: 22:02
December 05, friday
0000
50°F
SW
6 mph
0300
48°F
S
11 mph
0600
48°F
S
7 mph
0900
48°F
S
7 mph
1200
50°F
S
8 mph
1500
54°F
S
3 mph
1800
52°F
S
7 mph
2100
52°F
SW
5 mph
Units of measurement: °C / °F