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September weather forecast in Islip
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
+24
+23
1 September, Sunday. day, 24°; night, 23°; clear
2
+24
+22
2 September, Monday. day, 24°; night, 22°; rain
3
+24
+22
3 September, Tuesday. day, 24°; night, 22°; clear
4
+24
+22
4 September, Wednesday. day, 24°; night, 22°; partly cloudy
5
+22
+22
5 September, Thursday. day, 22°; night, 22°; rain
6
+22
+20
6 September, Friday. day, 22°; night, 20°; partly cloudy
7
+24
+21
7 September, Saturday. day, 24°; night, 21°; partly cloudy
8
+23
+21
8 September, Sunday. day, 23°; night, 21°; partly cloudy
9
+23
+21
9 September, Monday. day, 23°; night, 21°; clear
10
+23
+20
10 September, Tuesday. day, 23°; night, 20°; partly cloudy
11
+22
+20
11 September, Wednesday. day, 22°; night, 20°; clear
12
+22
+20
12 September, Thursday. day, 22°; night, 20°; clear
13
+22
+20
13 September, Friday. day, 22°; night, 20°; clear
14
+23
+20
14 September, Saturday. day, 23°; night, 20°; clear
15
+21
+20
15 September, Sunday. day, 21°; night, 20°; rain
16
+20
+18
16 September, Monday. day, 20°; night, 18°; rain
17
+21
+18
17 September, Tuesday. day, 21°; night, 18°; clear
18
+21
+19
18 September, Wednesday. day, 21°; night, 19°; clear
19
+21
+19
19 September, Thursday. day, 21°; night, 19°; clear
20
+21
+19
20 September, Friday. day, 21°; night, 19°; clear
21
+22
+20
21 September, Saturday. day, 22°; night, 20°; partly cloudy
22
+21
+19
22 September, Sunday. day, 21°; night, 19°; clear
23
+22
+19
23 September, Monday. day, 22°; night, 19°; clear
24
+20
+19
24 September, Tuesday. day, 20°; night, 19°; clear
25
+20
+18
25 September, Wednesday. day, 20°; night, 18°; clear
26
+21
+18
26 September, Thursday. day, 21°; night, 18°; rain
27
+22
+20
27 September, Friday. day, 22°; night, 20°; rain
28
+21
+20
28 September, Saturday. day, 21°; night, 20°; rain
29
+19
+18
29 September, Sunday. day, 19°; night, 18°; rain
30
+18
+16
30 September, Monday. day, 18°; night, 16°; rain
1
+18
+16
1 October, Tuesday. day, 18°; night, 16°; rain
2
+17
+16
2 October, Wednesday. day, 17°; night, 16°; rain
3
+19
+16
3 October, Thursday. day, 19°; night, 16°; rain
4
+19
+16
4 October, Friday. day, 19°; night, 16°; clear
5
+19
+16
5 October, Saturday. day, 19°; night, 16°; clear
Average data for 10 years
Islip September
15
sunny days
9
days with precipitation
6
cloudy days
15 sunny days; 9 days with precipitation; 6 cloudy days;
72
%
air humidity
4.5
m/s
Wind
NE
65
mm of precipitation
(8% of annual average)
+22
°C
Water temperature
air humidity 72%; 65 millimeters of precipitation (8% of annual average); Wind north-easterly 4.5 Meters per second; Water temperature +22°
Weather graphs for September
Temperature
Water temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
S
S
SW
SW
E
SE
NW
NW
N
NE
SE
SW
W
SW
N
NE
SE
SE
N
E
W
NE
N
NE
NE
E
S
S
NE
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
New York
Boston
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Philadelphia
Hartford
Greenwich
Baltimore
Rio Grande
Princeton
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The Sunny Beach
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Chicago