World Resorts USA Bellingham Weather

Bellingham weather in September

Weather in Bellingham: September

Average day temperature: 69.1°F
Average night temperature: 53.5°F
Sea water temperature: 58.6°F
Number of sunny days: 13 days
Day length: 11.7 - 13.4 hours
Number of rainy days: 4 days
Precipitation totals: 1.6 in.

Air temperature in September, °F

Show year:
2023
2022
2021

The highest day temperature during September of 2023 was 80°F. At the same time the lowest night temperature was 41°F. Day and night temperature averages during September were 66.5°F and 50.6°F.

Sea water temperature in Bellingham in September, °F

Show year:
2023
2022
2021

The average sea water temperature in September of 2023 was 58.1°F. The highest and lowest sea temperatures during the month were 62.1°F and 55.6°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 Bellingham in September is 1.6 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 3.2 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: 7.6.

Best time for vacation in Bellingham

Sunniest months:
July 22 days
August 21 days
September 13 days
Warmest months:
August 75.3 °F
July 74.3 °F
September 69.1 °F
Warmest sea temp:
August 62.9 °F
July 62.4 °F
September 58.6 °F
Coldest months:
December 39.4 °F
January 41.0 °F
February 41.9 °F
Rainiest months:
November 8 days
January 7 days
October 6 days
Windiest months:
December 4.5 mph
February 4.5 mph
January 4.5 mph

Bellingham on a weather map

Bellingham
+52°F
E 5 mph
Feels like: +50°F
Precip.: 100%
Places in USA:
Name
°F
+54°F
+61°F
+73°F
+73°F
+90°F
+64°F
+86°F
+61°F
+84°F
+64°F
+57°F
+82°F
+84°F
+90°F
+75°F
24 Hours Forecast
Bellingham
Local time: 16:34
May 18, saturday
1800
52°F
E
5 mph
2100
46°F
N
6 mph
May 19, sunday
0000
45°F
NW
8 mph
0300
46°F
N
9 mph
0600
46°F
N
8 mph
0900
46°F
N
7 mph
1200
52°F
N
6 mph
1500
54°F
E
6 mph
Units of measurement: °C / °F