World Resorts USA Houston Weather

Houston weather in September

Weather in Houston: September

Average day temperature: 88.9°F
Average night temperature: 76.4°F
Sea water temperature: 84.0°F
Number of sunny days: 12 days
Day length: 11.9 - 12.7 hours
Number of rainy days: 6 days
Precipitation totals: 4.0 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 97°F. At the same time the lowest night temperature was 70°F. Day and night temperature averages during September were 89.5°F and 76.6°F.

Sea water temperature in Houston in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 83.4°F. The highest and lowest sea temperatures during the month were 86.2°F and 79.9°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

Precipitation total value in Houston in September is 4.7 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 6.7 mph It makes September lest windy month 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: 7.9.

Best time for vacation in Houston

Sunniest months:
October 16 days
August 13 days
July 12 days
Warmest months:
August 93.8 °F
July 92.6 °F
June 91.2 °F
Warmest sea temp:
August 86.8 °F
July 86.1 °F
June 84.2 °F
Coldest months:
January 59.0 °F
February 63.1 °F
December 63.3 °F
Rainiest months:
August 8 days
July 7 days
June 7 days
Windiest months:
April 10.1 mph
May 9.5 mph
March 9.5 mph

Houston on a weather map

Houston
+54°F
SW 4 mph
Feels like: +52°F
Precip.: 0%
Places in USA:
Name
°F
+46°F
+50°F
+73°F
+73°F
+45°F
+57°F
+75°F
+66°F
+46°F
+54°F
+55°F
+70°F
+68°F
+54°F
+32°F
24 Hours Forecast
Houston
Local time: 09:45
November 21, thursday
1200
66°F
SE
3 mph
1500
72°F
SE
6 mph
1800
70°F
SE
6 mph
2100
63°F
SE
4 mph
November 22, friday
0000
59°F
E
3 mph
0300
57°F
SE
3 mph
0600
55°F
S
4 mph
0900
57°F
SW
4 mph
Units of measurement: °C / °F