September 2017 Summary (hot, warmest, recorded, temperatures)

[tenkier7]

Paris, ÃŽle-de-France, France
September 2017

Average : High 20.2°C(68.3°F) / Low 12.2°C(54.0°F) / Mean 16.2°C(61.2°F)
Highest : 25.6°C(78.1°F) [29th]
Lowest : 7.0°C(44.6°F) [20th]
Lowest High : 16.4°C(61.5°F) [16th]
Highest Low : 18.7°C(65.7°F) [5th]
Precipitation : 102.5 mm(4.04 inches)
Sunshine Hours : 143.0 hours



-

Terre Haute, IN
September 2017

Average : High 82.2°F(27.9°C) / Low 54.8°F(12.7°C) / Mean 68.5°F(20.3°C)
Highest : 94°F(34°C) [21st,22nd]
Lowest : 41°F(5°C) [7th]
Lowest High : 66°F(19°C) [1st]
Highest Low : 68°F(20°C) [18th]
Precipitation : 0.31 inch(7.9 mm)
Precipitation Days : 3



-

Seoul, South Korea
September 2017

Average : High 27.4°C(81.3°F) / Low 17.5°C(63.5°F) / Mean 22.1°C(71.8°F)
Highest : 31.4°C(88.5°F) [26th]
Lowest : 11.2°C(52.2°F) [29th]
Lowest High : 23.5°C(74.3°F) [29th]
Highest Low : 20.4°C(68.7°F) [5th,8th]
Precipitation : 35.0 mm(1.38 inches)
Precipitation Days : 5
Average Relative Humidity : 60.9%
Average Wind Speed : 2.0 m/s(4.5 mph)
Sunshine Hours : 235.7 hours

[chicagogeorge]

So far, only May and August have been below average this year.



http://wgntv.com/2017/09/30/history-...will-continue/


Quite a hot spell this Sept. MDW recorded three 35C days in a row. A very sunny months. Also extremely dry. Unofficially, MDW recorder second highest Mean temp which was 70.8F for the month of September behind 1931 when the official thermometer in Chicago was at the UofC.





and site nearest my home

[Ethereal]

Average high: 24.2°C
Average low: 8.7°C

Highest high: 34.4°C
Lowest low: 3.8°C

Lowest high: 16.7°C
Highest low: 17.1°C

Precipitation: 1.2mm
Precipitation days: 1

Sunshine: 270.9 hrs

[ral31]

Average high is a bit above normal, but low is below normal. Normal is 88.6/67.4F (31.4/19.7C). 2nd driest on record.



Lowest max: 82F (27.7C)
Highest min: 73F (22.8C)

Days 90F or above: 20

Max dewpoint: 76F (24.4C)
Avg dewpoint: 66F (18.9C)
Min dewpoint: 48F (8.9C)

Thunder days: 1

Overall, a pretty boring month. At least temps were fairly comfortable the first half of the month.

[BMI]

Burlington, ON PWS

average high 25C
average low 14C

Highest max 33C
Lowest max 16C

Highest min 22C
Lowest min 7C

Average temp 19.2C

Precipitation 26.4 mm

Very dry month, plenty of sunshine and above normal temps,
normal precip is 63.5 mm
normal high and low are 22C / 12C

Just to show the ups and downs of the month, here are the 30 days of the month...

1. 19/9
2. 20/8
3. 23/9
4. 27/17
5. 22/16
6. 21/13
7. 20/10
8. 17/11
9. 20/9
10. 19/9
11. 22/8
12. 25/10
13. 25/12
14. 26/18
15. 27/18

First half of september was cool...second half heat wave.

16. 28/16
17. 29/17
18. 27/18
19. 26/19
20. 28/17
21. 27/17
22. 28/19
23. 33/19
24. 33/20
25. 33/22
26. 31/20
27. 30/22
28. 20/14
29. 16/12
30. 17/7

[ksolina]

September 2017 in Zagreb:

Highs: 27.3/13.2c
Lows: 18.4/3.7c

Average high: 20.6c (-1.5c)
Average low: 11.0c (+0.2c)

Precipitation: 222.6 mm (+136.8 mm)
Precipitation days: 13
Days with thunder: 4

Sunshine: 110 (-79)
Sunless days: 8
Days with fog: 10

Overall, an extremely wet, cool and gloomy month.

[Steelernation71]

^Very similar here.

Average high: 76.5 (+4.9)
Average low: 54.7 (+2.7)
Mean: 65.6 (+3.8)

Precipitation: 1.28" (-2.10", 38%)
Precipitation days: 6 (-2)

Record high: 91 on the 24th, 25th, 26th, 27th
Record low: 41 on the 30th
Lowest high: 59 on the 30th
Highest low: 66 on the 26th

Weatherbox for the year:
http://www.city-data.com/forum/attac...1&d=1506873631

Temperatures for the month:
http://www.city-data.com/forum/attac...1&d=1506873491

A cool first half of the month turned into a record setting second half. Some records or near records:

-14th warmest September average high (76.5)
-2nd warmest September 15-30 (69.3)
-Warmest September 15-30 by average high (80.9)
-daily record highs on the 24th, 26th and 27th
-latest heat wave (3+ straight days over 90) on record (24th-27th)
-5th, 6th, T-7th, T-10th latest 90 degree days on record
-Latest 90 degree day since 1959
-4th longest streak of highs over 60 (141 days from May 12-September 29)
-18th driest September
-T-5th longest rainless streak on record (20 days from the 9th-28th)
-First month with below average precipitation since last December
-Driest month since last July
-26th above average month of the last 30

[marlaver]

Originally Posted by tenkier7

Paris, ÃŽle-de-France, France
September 2017

Average : High 20.2°C(68.3°F) / Low 12.2°C(54.0°F) / Mean 16.2°C(61.2°F)
Highest : 25.6°C(78.1°F) [29th]
Lowest : 7.0°C(44.6°F) [20th]
Lowest High : 16.4°C(61.5°F) [16th]
Highest Low : 18.7°C(65.7°F) [5th]
Precipitation : 102.5 mm(4.04 inches)
Sunshine Hours : 143.0 hours

Well, this month the quote saying that BA is "the Paris of Southamerica" seems to be true, at least meteo-wise

Buenos Aires, central station, September 2017
(1981-2010 normals)

Mean: 15.6ºC (+1ºC) (eight warmest on record)
Average high: 20.3°C (+1ºC)
Average low: 11.6ºC (+1.3ºC) (6th highest on record)

Highest high: 26.6°C (-0.2ºC)
Lowest low: 5.9°C (+3.3ºC) (2nd highest on record)

Lowest high: 16.4°C (+4.1ºC) (3rd highest on record)
Highest low: 18°C (+1.2ºC)

Precipitation: 145mm (+73mm)

[FirebirdCamaro1220]

September 2017 Summary Phoenix, AZ

Highest Temp 43.3°C on 1st&12th
Average High 37.38°C
Normal High 37.59°C
Departure -0.21°C
Lowest High 30°C on 23rd&24th

Highest Low 31.1°C on 11th
Average Low 24.67°C
Normal Low 25.44°C
Departure -0.77°C
Lowest Temp 16.7°C on 24th&25th

Mean Temp 31.03°C
Normal Mean 31.52°C
Departure -0.49°C

Record High's=1

43.3°C on 12th Normal High 37.8°C Dep +5.5°C

Record Low's=0

Total Rainfall 0.00mm
Normal Rainfall 15.24mm
Departure -15.24mm

Year To Date

Jan High Temp 24.4°C on 30th
Feb High Temp 28.3°C on 10th
Mar High Temp 35.6°C on 19th&20th
Apr High Temp 37.2°C on 23rd
May High Temp 42.2°C on 5th&24th
Jun High Temp 48.3°C (48.3°C) on 20th
July High Temp 47.8°C (47.8°C) on 7th
Aug High Temp 43.9°C on 9th&27th
Sep High Temp 43.3°C on 1st&12th

Jan Avg High 17.81°C(-2.37°C)
Feb Avg High 22.34°C(+0.73°C)
Mar Avg High 28.83°C(+3.22°C)
Apr Avg High 31.46°C(+1.90°C)
May Avg High 34.75°C(+0.00°C)
Jun Avg High 42.18°C(+2.26°C)
July Avg High 41.19°C(-0.11°C)
Aug Avg High 40.77°C(+0.54°C)
Sep Avg High 37.38°C(-0.21°C)

Jan Avg Low 7.85°C(+0.59°C)
Feb Avg Low 10.89°C(+1.94°C)
Mar Avg Low 14.12°C(+2.04°C)
Apr Avg Low 16.61°C(+0.70°C)
May Avg Low 20.61°C(-0.41°C)
Jun Avg Low 27.42°C(+1.29°C)
July Avg Low 28.80°C(-0.77°C)
Aug Avg Low 28.10°C(-0.66°C)
Sep Avg Low 24.67°C(-0.77°C)

Jan Low Temp 1.7°C on 28th
Feb Low Temp 5.6°C on 25th
Mar Low Temp 7.2°C on 1st
Apr Low Temp 11.1°C on 1st
May Low Temp 13.9°C on 9th
Jun Low Temp 20.6°C on 13th
July Low Temp 23.3°C on 16th
Aug Low Temp 22.8°C on 13th
Sep Low Temp 16.7°C on 24th&25th

Mean Temp so far 26.44°C
Normal Mean so far 25.90°C
Departure so far +0.54°C

Jan Rainfall 27.94mm(+5.08mm)
Feb Rainfall 31.50mm(+8.64mm)
Mar Rainfall 1.52mm(-23.88mm)
Apr Rainfall 0.00mm(-7.62mm)
May Rainfall 0.25mm(-2.29mm)
Jun Rainfall 0.00mm(+0.00mm)
July Rainfall 22.61mm(-2.79mm)
Aug Rainfall 28.70mm(+3.30mm)
Sep Rainfall 0.00mm(-15.24mm)

Total Rainfall so far 112.52mm
Normal Rainfall so far 147.32mm
Departure so far -34.80mm

[Anhityk]

September in my place compared to averages: temperature +1.3c, rainfall -1mm, sunshine 127.3 hrs ( that is -10 hrs compared to average). I'll post the box soon.