10 day forecast
Monthly forecast
Weather map
City or area
Find
Sign up
Log in
Go to comparison
September weather forecast in Walla Walla
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
+27
+21
1 September, Sunday. day, 27°; night, 21°; clear
2
+26
+22
2 September, Monday. day, 26°; night, 22°; clear
3
+26
+21
3 September, Tuesday. day, 26°; night, 21°; clear
4
+25
+20
4 September, Wednesday. day, 25°; night, 20°; clear
5
+25
+21
5 September, Thursday. day, 25°; night, 21°; clear
6
+25
+20
6 September, Friday. day, 25°; night, 20°; clear
7
+26
+21
7 September, Saturday. day, 26°; night, 21°; clear
8
+27
+22
8 September, Sunday. day, 27°; night, 22°; clear
9
+26
+21
9 September, Monday. day, 26°; night, 21°; clear
10
+27
+22
10 September, Tuesday. day, 27°; night, 22°; clear
11
+28
+22
11 September, Wednesday. day, 28°; night, 22°; clear
12
+26
+21
12 September, Thursday. day, 26°; night, 21°; clear
13
+25
+21
13 September, Friday. day, 25°; night, 21°; clear
14
+25
+19
14 September, Saturday. day, 25°; night, 19°; clear
15
+25
+20
15 September, Sunday. day, 25°; night, 20°; clear
16
+24
+19
16 September, Monday. day, 24°; night, 19°; clear
17
+24
+19
17 September, Tuesday. day, 24°; night, 19°; clear
18
+24
+19
18 September, Wednesday. day, 24°; night, 19°; partly cloudy
19
+24
+18
19 September, Thursday. day, 24°; night, 18°; clear
20
+22
+18
20 September, Friday. day, 22°; night, 18°; clear
21
+23
+18
21 September, Saturday. day, 23°; night, 18°; clear
22
+22
+18
22 September, Sunday. day, 22°; night, 18°; clear
23
+21
+17
23 September, Monday. day, 21°; night, 17°; partly cloudy
24
+22
+18
24 September, Tuesday. day, 22°; night, 18°; partly cloudy
25
+22
+18
25 September, Wednesday. day, 22°; night, 18°; clear
26
+23
+19
26 September, Thursday. day, 23°; night, 19°; clear
27
+23
+19
27 September, Friday. day, 23°; night, 19°; clear
28
+22
+18
28 September, Saturday. day, 22°; night, 18°; clear
29
+22
+17
29 September, Sunday. day, 22°; night, 17°; clear
30
+20
+16
30 September, Monday. day, 20°; night, 16°; clear
1
+20
+16
1 October, Tuesday. day, 20°; night, 16°; clear
2
+19
+13
2 October, Wednesday. day, 19°; night, 13°; partly cloudy
3
+18
+14
3 October, Thursday. day, 18°; night, 14°; clear
4
+18
+14
4 October, Friday. day, 18°; night, 14°; clear
5
+19
+15
5 October, Saturday. day, 19°; night, 15°; partly cloudy
Average data for 10 years
Walla Walla September
27
sunny days
0
days with precipitation
3
cloudy days
27 sunny days; 0 days with precipitation; 3 cloudy days;
37
%
air humidity
3.4
m/s
Wind
SW
16
mm of precipitation
(5% of annual average)
air humidity 37%; 16 millimeters of precipitation (5% of annual average); Wind south-westerly 3.4 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SW
SW
W
W
SW
W
W
W
W
W
W
W
W
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
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
Spokane
Meridian
Ontario
Moscow
Yakima
Boise
Richland
East Wenatchee
Pasco
Cities with similar weather in September
The Sunny Beach
Porto
Pomorie
Nesebar
Sveti Vlas
Pula
Sozopol
Primorsko