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September weather forecast in Riihimaki
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
+15
+9
1 September, sun
+15
+9
Feels like
+13
749 mmHg
75%
4.8
m/s
S
1 September, Sunday. day, 15°; night, 9°; overcast
2
+15
+11
2 September, mon
+15
+11
Feels like
+13
749 mmHg
82%
4.5
m/s
N
2 September, Monday. day, 15°; night, 11°; rain
3
+16
+11
3 September, tue
+16
+11
Feels like
+14
750 mmHg
80%
4.6
m/s
S
3 September, Tuesday. day, 16°; night, 11°; partly cloudy
4
+17
+11
4 September, wed
+17
+11
Feels like
+15
749 mmHg
75%
4.3
m/s
SW
4 September, Wednesday. day, 17°; night, 11°; partly cloudy
5
+16
+11
5 September, thu
+16
+11
Feels like
+15
749 mmHg
75%
3.5
m/s
SW
5 September, Thursday. day, 16°; night, 11°; partly cloudy
6
+15
+11
6 September, fri
+15
+11
Feels like
+13
749 mmHg
75%
4.1
m/s
W
6 September, Friday. day, 15°; night, 11°; overcast
7
+16
+11
7 September, sat
+16
+11
Feels like
+14
749 mmHg
80%
4
m/s
W
7 September, Saturday. day, 16°; night, 11°; overcast
8
+15
+11
8 September, sun
+15
+11
Feels like
+13
750 mmHg
77%
4.5
m/s
W
8 September, Sunday. day, 15°; night, 11°; rain
9
+15
+11
9 September, mon
+15
+11
Feels like
+13
752 mmHg
79%
4.4
m/s
NE
9 September, Monday. day, 15°; night, 11°; clear
10
+16
+10
10 September, tue
+16
+10
Feels like
+15
753 mmHg
81%
3.4
m/s
SE
10 September, Tuesday. day, 16°; night, 10°; partly cloudy
11
+16
+11
11 September, wed
+16
+11
Feels like
+15
752 mmHg
81%
4.5
m/s
S
11 September, Wednesday. day, 16°; night, 11°; rain
12
+16
+12
12 September, thu
+16
+12
Feels like
+14
750 mmHg
76%
4
m/s
S
12 September, Thursday. day, 16°; night, 12°; rain
13
+15
+10
13 September, fri
+15
+10
Feels like
+13
750 mmHg
75%
4
m/s
S
13 September, Friday. day, 15°; night, 10°; rain
14
+14
+9
14 September, sat
+14
+9
Feels like
+11
749 mmHg
76%
5
m/s
S
14 September, Saturday. day, 14°; night, 9°; partly cloudy
15
+13
+9
15 September, sun
+13
+9
Feels like
+11
748 mmHg
81%
4.1
m/s
SW
15 September, Sunday. day, 13°; night, 9°; rain
16
+13
+9
16 September, mon
+13
+9
Feels like
+11
749 mmHg
77%
4
m/s
S
16 September, Monday. day, 13°; night, 9°; overcast
17
+12
+9
17 September, tue
+12
+9
Feels like
+10
748 mmHg
86%
4.3
m/s
S
17 September, Tuesday. day, 12°; night, 9°; rain
18
+13
+9
18 September, wed
+13
+9
Feels like
+10
749 mmHg
81%
4.5
m/s
S
18 September, Wednesday. day, 13°; night, 9°; overcast
19
+13
+9
19 September, thu
+13
+9
Feels like
+12
750 mmHg
85%
3.2
m/s
SW
19 September, Thursday. day, 13°; night, 9°; overcast
20
+13
+9
20 September, fri
+13
+9
Feels like
+11
750 mmHg
86%
4.1
m/s
S
20 September, Friday. day, 13°; night, 9°; clear
21
+12
+9
21 September, sat
+12
+9
Feels like
+9
750 mmHg
86%
4.1
m/s
W
21 September, Saturday. day, 12°; night, 9°; rain
22
+12
+8
22 September, sun
+12
+8
Feels like
+9
748 mmHg
82%
4.8
m/s
SW
22 September, Sunday. day, 12°; night, 8°; rain
23
+11
+8
23 September, mon
+11
+8
Feels like
+8
748 mmHg
80%
4.9
m/s
N
23 September, Monday. day, 11°; night, 8°; overcast
24
+12
+7
24 September, tue
+12
+7
Feels like
+9
750 mmHg
82%
4.4
m/s
NW
24 September, Tuesday. day, 12°; night, 7°; rain
25
+11
+7
25 September, wed
+11
+7
Feels like
+9
753 mmHg
86%
4.3
m/s
W
25 September, Wednesday. day, 11°; night, 7°; overcast
26
+12
+8
26 September, thu
+12
+8
Feels like
+10
753 mmHg
81%
4.5
m/s
W
26 September, Thursday. day, 12°; night, 8°; clear
27
+12
+8
27 September, fri
+12
+8
Feels like
+9
752 mmHg
80%
4.5
m/s
NW
27 September, Friday. day, 12°; night, 8°; clear
28
+10
+8
28 September, sat
+10
+8
Feels like
+7
750 mmHg
81%
4.3
m/s
W
28 September, Saturday. day, 10°; night, 8°; clear
29
+11
+7
29 September, sun
+11
+7
Feels like
+8
750 mmHg
77%
4.9
m/s
W
29 September, Sunday. day, 11°; night, 7°; rain
30
+10
+6
30 September, mon
+10
+6
Feels like
+7
750 mmHg
76%
4
m/s
W
30 September, Monday. day, 10°; night, 6°; rain
1
+10
+5
1 October, tue
+10
+5
Feels like
+7
749 mmHg
81%
5
m/s
SW
1 October, Tuesday. day, 10°; night, 5°; overcast
2
+10
+7
2 October, wed
+10
+7
Feels like
+8
749 mmHg
83%
4.5
m/s
S
2 October, Wednesday. day, 10°; night, 7°; clear
3
+11
+7
3 October, thu
+11
+7
Feels like
+8
746 mmHg
87%
5.1
m/s
S
3 October, Thursday. day, 11°; night, 7°; rain
4
+9
+7
4 October, fri
+9
+7
Feels like
+5
748 mmHg
82%
5
m/s
SW
4 October, Friday. day, 9°; night, 7°; rain
5
+9
+5
5 October, sat
+9
+5
Feels like
+5
750 mmHg
83%
5.1
m/s
S
5 October, Saturday. day, 9°; night, 5°; rain
Average data for 10 years
Riihimaki September
5
sunny days
12
days with precipitation
13
cloudy days
5 sunny days; 12 days with precipitation; 13 cloudy days;
80
%
air humidity
3.2
m/s
Wind
SW
59
mm of precipitation
(8% of annual average)
air humidity 80%; 59 millimeters of precipitation (8% of annual average); Wind south-westerly 3.2 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
S
N
S
SW
SW
W
W
W
NE
SE
S
S
S
S
SW
S
S
S
SW
S
W
SW
N
NW
W
W
NW
W
W
W
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
Helsinki
Gdov
Tallinn
Riga
Ostrovtsy
Ust'-Luga
Yurmala
Primorsk
Tampere
Cities with similar weather in September
Minsk
Mogilev
Riga
Karlovy Vary
Vitebsk
Petropavlovsk
Stockholm
Oslo
Vilnius
