10 day forecast
Monthly forecast
Weather map
City or area
Find
Sign up
Log in
Go to comparison
September weather forecast in Arcata
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
1
+20
+17
1 September, sun
+20
+17
Feels like
+18
752 mmHg
60%
4
m/s
N
+15
1 September, Sunday. day, 20°; night, 17°; clear
2
+20
+15
2 September, mon
+20
+15
Feels like
+17
752 mmHg
57%
4.5
m/s
N
+15
2 September, Monday. day, 20°; night, 15°; clear
3
+18
+15
3 September, tue
+18
+15
Feels like
+17
752 mmHg
62%
4.4
m/s
N
+14
3 September, Tuesday. day, 18°; night, 15°; clear
4
+18
+16
4 September, wed
+18
+16
Feels like
+16
752 mmHg
62%
5.5
m/s
N
+14
4 September, Wednesday. day, 18°; night, 16°; clear
5
+19
+16
5 September, thu
+19
+16
Feels like
+18
752 mmHg
62%
3.9
m/s
N
+14
5 September, Thursday. day, 19°; night, 16°; clear
6
+18
+16
6 September, fri
+18
+16
Feels like
+17
752 mmHg
67%
3.5
m/s
N
+14
6 September, Friday. day, 18°; night, 16°; clear
7
+18
+16
7 September, sat
+18
+16
Feels like
+17
751 mmHg
64%
3.2
m/s
N
+14
7 September, Saturday. day, 18°; night, 16°; clear
8
+19
+17
8 September, sun
+19
+17
Feels like
+17
752 mmHg
62%
3.7
m/s
N
+14
8 September, Sunday. day, 19°; night, 17°; clear
9
+20
+16
9 September, mon
+20
+16
Feels like
+19
751 mmHg
56%
4
m/s
N
+15
9 September, Monday. day, 20°; night, 16°; clear
10
+19
+17
10 September, tue
+19
+17
Feels like
+18
752 mmHg
61%
2.7
m/s
NW
+14
10 September, Tuesday. day, 19°; night, 17°; clear
11
+19
+16
11 September, wed
+19
+16
Feels like
+18
752 mmHg
62%
3
m/s
N
+14
11 September, Wednesday. day, 19°; night, 16°; clear
12
+19
+16
12 September, thu
+19
+16
Feels like
+17
751 mmHg
63%
3.5
m/s
N
+14
12 September, Thursday. day, 19°; night, 16°; clear
13
+17
+14
13 September, fri
+17
+14
Feels like
+16
751 mmHg
67%
3.2
m/s
W
+14
13 September, Friday. day, 17°; night, 14°; clear
14
+17
+14
14 September, sat
+17
+14
Feels like
+16
753 mmHg
70%
3.5
m/s
E
+14
14 September, Saturday. day, 17°; night, 14°; rain
15
+17
+14
15 September, sun
+17
+14
Feels like
+16
753 mmHg
72%
4
m/s
N
+14
15 September, Sunday. day, 17°; night, 14°; clear
16
+17
+15
16 September, mon
+17
+15
Feels like
+16
753 mmHg
69%
4
m/s
N
+14
16 September, Monday. day, 17°; night, 15°; clear
17
+17
+14
17 September, tue
+17
+14
Feels like
+16
753 mmHg
68%
3.9
m/s
N
+14
17 September, Tuesday. day, 17°; night, 14°; clear
18
+17
+15
18 September, wed
+17
+15
Feels like
+16
753 mmHg
72%
4
m/s
NE
+14
18 September, Wednesday. day, 17°; night, 15°; clear
19
+18
+15
19 September, thu
+18
+15
Feels like
+16
752 mmHg
68%
4
m/s
N
+14
19 September, Thursday. day, 18°; night, 15°; clear
20
+17
+14
20 September, fri
+17
+14
Feels like
+16
752 mmHg
68%
3.5
m/s
N
+14
20 September, Friday. day, 17°; night, 14°; clear
21
+17
+14
21 September, sat
+17
+14
Feels like
+15
753 mmHg
68%
4
m/s
N
+14
21 September, Saturday. day, 17°; night, 14°; clear
22
+18
+15
22 September, sun
+18
+15
Feels like
+16
754 mmHg
62%
4.3
m/s
N
+14
22 September, Sunday. day, 18°; night, 15°; clear
23
+17
+15
23 September, mon
+17
+15
Feels like
+16
753 mmHg
66%
3.7
m/s
N
+14
23 September, Monday. day, 17°; night, 15°; partly cloudy
24
+18
+15
24 September, tue
+18
+15
Feels like
+16
753 mmHg
62%
4.3
m/s
N
+14
24 September, Tuesday. day, 18°; night, 15°; clear
25
+19
+16
25 September, wed
+19
+16
Feels like
+17
754 mmHg
61%
4.5
m/s
N
+15
25 September, Wednesday. day, 19°; night, 16°; clear
26
+19
+16
26 September, thu
+19
+16
Feels like
+17
752 mmHg
57%
3.7
m/s
N
+15
26 September, Thursday. day, 19°; night, 16°; clear
27
+18
+16
27 September, fri
+18
+16
Feels like
+17
752 mmHg
62%
3.9
m/s
NW
+15
27 September, Friday. day, 18°; night, 16°; clear
28
+18
+16
28 September, sat
+18
+16
Feels like
+17
752 mmHg
64%
4.5
m/s
W
+14
28 September, Saturday. day, 18°; night, 16°; clear
29
+17
+14
29 September, sun
+17
+14
Feels like
+15
754 mmHg
66%
5
m/s
N
+14
29 September, Sunday. day, 17°; night, 14°; clear
30
+17
+14
30 September, mon
+17
+14
Feels like
+14
755 mmHg
66%
5
m/s
N
+14
30 September, Monday. day, 17°; night, 14°; clear
1
+17
+14
1 October, tue
+17
+14
Feels like
+14
754 mmHg
62%
5.6
m/s
N
+14
1 October, Tuesday. day, 17°; night, 14°; clear
2
+16
+14
2 October, wed
+16
+14
Feels like
+13
752 mmHg
64%
6
m/s
N
+14
2 October, Wednesday. day, 16°; night, 14°; clear
3
+17
+14
3 October, thu
+17
+14
Feels like
+13
751 mmHg
61%
7.3
m/s
SE
+14
3 October, Thursday. day, 17°; night, 14°; clear
4
+17
+15
4 October, fri
+17
+15
Feels like
+14
752 mmHg
58%
4
m/s
N
+14
4 October, Friday. day, 17°; night, 15°; clear
5
+17
+14
5 October, sat
+17
+14
Feels like
+15
754 mmHg
58%
4
m/s
NE
+14
5 October, Saturday. day, 17°; night, 14°; clear
Average data for 10 years
Arcata September
28
sunny days
1
day with precipitation
1
cloudy day
28 sunny days; 1 day with precipitation; 1 cloudy day;
64
%
air humidity
2.7
m/s
Wind
N
22
mm of precipitation
(3% of annual average)
+14
°C
Water temperature
air humidity 64%; 22 millimeters of precipitation (3% of annual average); Wind northerly 2.7 Meters per second; Water temperature +14°
Weather graphs for September
Temperature
Water temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
N
N
N
N
N
N
N
N
N
NW
N
N
W
E
N
N
N
NE
N
N
N
N
N
N
N
N
NW
W
N
N
1
Average data for 10 years
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Daytime temperature
Night-time temperature
Cities near you
San Francisco
Sacramento
Oakland
Palo Alto
South San Francisco
Burlingame
Washington
Santa Rosa
Eugene
Cities with similar weather in September
Sydney
San Francisco
Vancouver
Seattle
Montreal
Lima
San Sebastian
Santander
Durban
